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Horticulture (22)
Food Science and Technology (8)
Crop and Soil Science (4)
Botany and Plant Pathology (2)
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Oregon State University. Extension Service (750)
Pscheidt, Jay W. (85)
Washington State University. Extension (64)
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Sullivan, Dan M. (Dan Matthew), 1954 (20)
Dreves, Amy J. (17)
Horneck, Donald Arthur (17)
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Kaiser, Clive (16)
United States. Department Of Agriculture (16)
Long, L. E. (Lynn Edwards), 1953 (14)
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Flowers, Michael Darrell, 1971 (12)
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Corp, Mary K. (11)
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Reeb, J. E. (James Edmund), 1951 (11)
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Moretti, Marcelo L. (9)
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Tuck, Brian V. (9)
Vanderzanden, Ann Marie, 1966 (9)
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Oregon. Employment Division (8)
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Subject
4-H clubs (78)
Pesticides -- Application -- Oregon -- Willamette River Valley (40)
Spraying and dusting in agriculture -- Oregon -- Willamette River Valley (40)
4-H clubs -- Oregon (23)
Agriculture -- Oregon -- Statistics (17)
Agricultural estimating and reporting -- Oregon (16)
Farm produce -- Oregon -- Statistics (16)
4-H clubs -- Forms (13)
Grapes -- Diseases and pests -- Control -- Oregon (13)
Noxious weeds -- Control -- Oregon (12)
Viticulture -- Oregon (12)
Spraying and dusting in agriculture -- Oregon (11)
Fungicides -- Oregon (9)
Pesticides -- Application -- Oregon (9)
Vegetables -- Varieties -- Oregon -- Evaluation (9)
Agricultural pests -- Control -- Willamette River Valley (Or.) (8)
Cherry -- Diseases and pests -- Control -- Oregon -- Willamette River Valley (8)
Peach -- Diseases and pests -- Integrated control -- Oregon (8)
Pear -- Diseases and pests -- Control -- Oregon -- Willamette River Valley (8)
Vegetables -- Varieties -- Oregon -- Field experiments (8)
Apples -- Diseases and pests -- Control -- Oregon -- Willamette River Valley (7)
Blueberries -- Diseases and pests -- Control -- Oregon -- Willamette River Valley (7)
Fruit -- Diseases and pests -- Control -- Columbia River Valley (7)
Peach -- Diseases and pests -- Control -- Oregon (7)
Pesticides -- Application -- Columbia River Valley (7)
Riparian areas -- Northwest, Pacific (7)
Riparian ecology -- Northwest, Pacific (7)
Spraying and dusting in agriculture -- Columbia River Valley (7)
Stream conservation -- Northwest, Pacific (7)
Wildlife habitat improvement -- Northwest, Pacific (7)
Cherry -- Diseases and pests -- Integrated control -- Oregon -- Willamette River Valley (6)
Walnut -- Diseases and pests -- Control -- Oregon -- Willamette River Valley (6)
Weeds -- Control (6)
4-H clubs -- Curricula -- Oregon (5)
Apples -- Diseases and pests -- Control -- Columbia River Valley (5)
Apples -- Diseases and pests -- Integrated control -- Oregon -- Willamette River Valley (5)
Cherry -- Diseases and pests -- Control -- Columbia River Valley (5)
Direct marketing -- United States (5)
Eastern filbert blight -- Control -- Oregon -- Willamette River Valley (5)
Eastern filbert blight -- Integrated control -- Oregon -- Willamette River Valley (5)
Farmers' markets -- United States (5)
Hazelnuts -- Diseases and pests -- Control -- Oregon -- Willamette River Valley (5)
Hazelnuts -- Diseases and pests -- Integrated control -- Oregon -- Willamette River Valley (5)
Microirrigation -- Treasure Valley (Idaho and Or.) (5)
Pear -- Diseases and pests -- Control -- Columbia River Valley (5)
Pear -- Diseases and pests -- Integrated control -- Oregon -- Willamette River Valley (5)
Plum -- Diseases and pests -- Control -- Oregon -- Willamette River Valley (5)
Soft wheat -- Varieties -- Northwest, Pacific (5)
Vegetable gardening -- Oregon (5)
Winter wheat -- Varieties -- Northwest, Pacific (5)
Agricultural pests -- Control -- Oregon -- Willamette River Valley (4)
Dairy cattle -- Judging (4)
Disaster victims -- Services for (4)
Fruit -- Diseases and pests -- Oregon -- Willamette River Valley (4)
Grapes -- Diseases and pests -- Oregon (4)
Hazelnuts -- Varieties (4)
Irrigation -- Oregon, Eastern -- Management (4)
Phytophthora ramorum -- Control -- Oregon (4)
Plum -- Diseases and pests -- Integrated control -- Oregon -- Willamette River Valley (4)
Soil moisture -- Oregon, Eastern -- Measurement (4)
Sudden oak death -- Oregon -- Prevention (4)
Walnut -- Diseases and pests -- Integrated control -- Oregon -- Willamette River Valley (4)
Bee culture (3)
Canning and preserving (3)
Compost (3)
Disaster relief (3)
Forests and forestry -- Measurement (3)
Fruit -- Diseases and pests -- Control -- Oregon (3)
Fuel reduction (Wildfire prevention) -- Oregon (3)
Fungal diseases of grapes -- Control -- Oregon (3)
Goats -- Judging (3)
Grain -- Diseases and pests -- Control -- Northwest, Pacific (3)
Grapes -- Weed control -- Oregon (3)
Herbicide-resistant crops -- Northwest, Pacific (3)
Insects as carriers of plant disease -- Oregon (3)
Manures (3)
Microirrigation (3)
Pesticides -- Environmental aspects (3)
Stinkbugs -- Oregon (3)
Woodlots -- Oregon -- Management (3)
Agricultural laborers -- Taxation -- United States (2)
Agroforestry (2)
Armyworms -- Control -- Northwest, Pacific (2)
Armyworms -- Northwest, Pacific (2)
Blackberries -- Control -- Oregon (2)
Blackberries -- Varieties -- Oregon (2)
Blueberries -- Diseases and pests -- Willamette River Valley (Or.) (2)
Cherry -- Pruning (2)
Clothes moths -- Control (2)
Conifers -- Diseases and pests -- Oregon (2)
Contracts, Agricultural -- Oregon (2)
Contracts, Agricultural -- United States (2)
Crocheting (2)
Disaster victims -- Finance, Personal (2)
Drosophila suzukii -- Detection (2)
Drosophila suzukii -- Larvae (2)
Dwellings -- Heating and ventilation -- Costs (2)
Emergency management (2)
Food -- Preservation -- Study and teaching (2)
Food handling (2)
Forest products industry -- Quality control (2)
Forestry law and legislation -- Oregon (2)
Forestry law and legislation -- United States (2)
Fruit -- Diseases and pests -- Detection (2)
Fruit -- Diseases and pests -- Oregon (2)
Fuelwood -- Costs (2)
Gardening -- Oregon -- Safety measures (2)
Gourmet food industry -- Sanitation (2)
Grain -- Diseases and pests -- Northwest, Pacific (2)
Grapevine leafroll virus -- Control -- Oregon (2)
Grass seed industry -- Oregon, Eastern (2)
Hazelnuts (2)
Hazelnuts -- Diseases and pests -- Control (2)
Hazelnuts -- Pollination -- Northwest, Pacific (2)
Herbicides -- Application -- Northwest, Pacific (2)
Invasive plants -- Control -- Oregon (2)
Irrigation water -- Oregon -- Klamath Basin (2)
Knapweeds -- Control -- Oregon (2)
Lace bugs (2)
Lace bugs -- Control (2)
Lead abatement -- Oregon (2)
Liming of soils -- Oregon, Western (2)
Lumber trade (2)
Master gardeners -- Oregon (2)
Mealybugs -- Control -- Oregon (2)
Milk yield (2)
Naphthalene -- Safety measures (2)
Nutrient pollution of water (2)
Oak -- Diseases and pests -- Control -- California (2)
Oak -- Diseases and pests -- Control -- Oregon (2)
Older people -- Home care (2)
Onions -- Irrigation -- Treasure Valley (Idaho and Or.) (2)
Parent and child (2)
Pastures -- Oregon -- Management (2)
Peppermint -- Fertilizers -- Oregon -- Willamette River Valley (2)
Pesticide resistance -- Oregon -- Prevention (2)
Pesticides -- Safety measures (2)
Pests -- Integrated control (2)
Phosphatic fertilizers -- Environmental aspects (2)
Phytophthora ramorum -- Control -- California (2)
Phytophthora ramorum -- Oregon (2)
Plant quarantine -- California (2)
Plant quarantine -- Oregon (2)
Plum -- Diseases and pests -- Willamette River Valley (Or.) (2)
Potatoes -- Irrigation -- Treasure Valley (Idaho and Or.) (2)
Ryegrasses -- Fertilizers -- Oregon, Western (2)
Silver scurf of potato -- Control -- Northwest, Pacific (2)
Silver scurf of potato -- Northwest, Pacific (2)
Soft wheat -- Disease and pest resistance -- Northwest, Pacific (2)
Soft wheat -- Varieties -- Oregon (2)
Soil acidification -- Oregon, Western (2)
Soil acidification -- Washington (State), Western (2)
Soil management (2)
Soils -- Lead content -- Oregon (2)
Soils -- Nitrogen content -- Oregon, Western (2)
Soils -- Nitrogen content -- Washington (State), Western (2)
Soils -- Oregon -- Testing (2)
Stinkbugs -- Oregon -- Identification (2)
Strawberries -- Oregon (2)
Sudden oak death -- California -- Prevention (2)
Sudden oak death -- Oregon (2)
Sustainable living (2)
Timber -- Marketing (2)
Tinea (Insects) -- Control (2)
Tomatillo -- Oregon (2)
Tomatoes -- Oregon (2)
Tree farms -- Oregon -- Management (2)
Tree farms -- United States -- Management (2)
Trees -- Diseases and pests -- Control -- Oregon (2)
Trees -- Diseases and pests -- Oregon (2)
Webbing clothes moth -- Control (2)
Wells -- Testing (2)
Wheat -- Diseases and pests -- Control -- Northwest, Pacific (2)
Wheat -- Weed control -- Northwest, Pacific (2)
Winter wheat -- Disease and pest resistance -- Northwest, Pacific (2)
Winter wheat -- Varieties -- Oregon (2)
Winter wheat -- Varieties -- Oregon, Eastern (2)
Winter wheat -- Varieties -- Washington (State), Eastern (2)
Wood pellets -- Costs (2)
Woodlots -- United States -- Management (2)
4-H clubs -- Curricula (1)
Acid soils -- Oregon (1)
Adolescence (1)
Aged -- Alcohol use (1)
Aging parents -- Care (1)
Aging parents -- Finance, Personal (1)
Agricultural exhibitions -- Economic aspects -- Oregon (1)
Agricultural laboratories -- Northwest, Pacific -- Directories (1)
Agricultural laborers -- Government policy -- Oregon -- Bibliography (1)
Agricultural laborers -- Government policy -- United States -- Bibliography (1)
Agricultural laborers -- Recruiting -- Government policy -- Oregon (1)
Agricultural laborers -- Taxation -- Oregon (1)
Agricultural laborers, Foreign -- Employment -- Government policy -- United States (1)
Agricultural laborers, Foreign -- Recruiting -- Government policy -- United States (1)
Agricultural pests -- Control -- Oregon (1)
Agricultural pests -- Integrated control -- Oregon -- Directories (1)
Agricultural pests -- Integrated control -- Oregon -- Handbooks, manuals, etc. (1)
Agricultural pests -- Monitoring (1)
Agricultural pollution -- Oregon -- Prevention (1)
Agricultural pollution -- Purification (1)
Agricultural wastes -- Recycling -- Oregon (1)
Agriculture -- Economic aspects -- Oregon (1)
Agriculture -- Economic aspects -- Oregon -- Statistics (1)
Agriculture, Cooperative -- Oregon (1)
Alcoholism -- Treatment (1)
Alfalfa (1)
Alien labor certification -- United States (1)
Alzheimer's disease -- Patients -- Home care (1)
American kestrel (1)
American robin (1)
Amphorophora (1)
Amphorophora -- Control (1)
Animal health -- Oregon (1)
Animal waste -- Recycling (1)
Animal welfare -- Oregon (1)
Aphididae -- Control (1)
Aphids as carriers of disease (1)
Aplodontia -- Control -- Northwest, Pacific (1)
Apple maggot -- Oregon (1)
Apples -- Diseases and pests -- Control -- Oregon (1)
Apples -- Diseases and pests -- Willamette River Valley (Or.) (1)
Apples -- Varieties -- Oregon, Eastern (1)
Aquatic ecology (1)
Archery -- Equipment and supplies (1)
Archery -- Rules (1)
Archery -- Training (1)
Arid regions agriculture -- Oregon (1)
Arid regions agriculture -- Oregon, Eastern (1)
Armyworms -- Oregon, Western (1)
Arthropoda -- Oregon -- Identification (1)
Aspen -- Oregon (1)
Assistance in emergencies (1)
Azaleas -- Diseases and pests (1)
Azaleas -- Diseases and pests -- Control (1)
Barley -- Diseases and pests -- Control -- Northwest, Pacific (1)
Barter (1)
Beans -- Diseases and pests -- Control (1)
Beans -- Organic farming -- Oregon, Western (1)
Beans -- Weed control -- Oregon, Western (1)
Beef cattle (1)
Beef cattle -- Cow-calf system -- Management (1)
Beef cattle -- Feeding and feeds -- Handbooks, manuals, etc. (1)
Beef cattle -- Nutrition -- Handbooks, manuals, etc. (1)
Bees -- Effect of pesticides on (1)
Bees -- Effect of pesticides on -- Safety measures (1)
Beneficial insects -- Northwest, Pacific (1)
Berries -- Sanitation -- Northwest, Pacific (1)
Berries -- Varieties -- Oregon, Eastern (1)
Best management practices (Pollution prevention) -- Northwest, Pacific (1)
Big game animals -- Boning (1)
Biomass energy -- Oregon (1)
Biomineralization (1)
Bird attracting (1)
Bird attracting -- Oregon (1)
Bird feeders (1)
Birdhouses -- Design and construction (1)
Birds of prey -- Oregon (1)
Birdseed (1)
Blackberries -- Fertilizers -- Oregon, Western (1)
Blackberries -- Oregon (1)
Blackberries -- Oregon, Western -- Nutrition (1)
Blackberries -- Varieties -- Seeds -- Identification (1)
Blueberries -- Diseases and pests (1)
Blueberries -- Oregon (1)
Blueberries -- Soils -- Oregon, Western (1)
Blueberries -- Soils -- Washington (State), Western (1)
Blueberries -- Varieties -- Northwest, Pacific (1)
Blueberries -- Varieties -- Oregon (1)
Bluegrasses -- Oregon, Eastern (1)
Bluegrasses -- Seeds -- Oregon, Eastern (1)
Botanical insecticides -- Environmental aspects -- Oregon, Western (1)
Botrytis cinerea -- Control -- Northwest, Pacific (1)
Brachypodium -- Control -- Oregon (1)
Brassica (1)
Broilers (Chickens) -- Feeding and feeds (1)
Broomrapes -- Control -- Oregon (1)
Buddleja davidii -- Control -- Oregon (1)
Buffer zones (Ecosystem management) -- Northwest, Pacific (1)
Buffer zones (Ecosystem management) -- Oregon, Western (1)
Building sites -- Environmental aspects -- Northwest, Pacific -- Handbooks, manuals, etc. (1)
Business networks (1)
California black oak -- Diseases and pests -- Oregon (1)
California quail -- Oregon (1)
Calves -- Diseases (1)
Calves -- Diseases -- Prevention (1)
Calves -- Diseases -- Treatment (1)
Camelina (1)
Canada thistle -- Control -- Oregon (1)
Canned seafood (1)
Canned tomatoes (1)
Canola -- Northwest, Pacific (1)
Carbohydrates (1)
Caregivers (1)
Carrots -- Control (1)
Carrots -- Identification (1)
Carrots -- Irrigation -- Oregon, Eastern (1)
Cattle -- Effect of light on (1)
Cereal grasses -- Diseases and pests -- Control -- Northwest, Pacific (1)
Cereal grasses -- Roots -- Diseases and pests -- Control -- Northwest, Pacific (1)
Chain saws -- Amateurs' manuals (1)
Cheese industry -- Licenses -- Oregon (1)
Cheesemaking -- Handbooks, manuals, etc. (1)
Cheesemaking -- Oregon (1)
Cherry -- Diseases and pests -- Control -- Oregon (1)
Cherry -- Diseases and pests -- Willamette River Valley (Or.) (1)
Cherry -- Pruning -- Pacific, Northwest (1)
Chestnut -- Drying (1)
Chestnut -- Harvesting (1)
Chestnut -- Storage (1)
Chickens (1)
Chickens -- Housing -- Design and construction (1)
Chickpea -- Oregon (1)
Child development (1)
Children -- Books and reading (1)
Children -- Employment -- Law and legislation -- United States (1)
Chipmunks (1)
Chlorosis (Plants) (1)
Christmas tree growing -- Northwest, Pacific (1)
Christmas tree growing -- Oregon (1)
Christmas tree growing -- Oregon, Western (1)
Christmas tree growing -- Washington (State) (1)
Christmas tree industry -- Law and legislation -- Oregon (1)
Christmas tree industry -- United States -- Law and legislation (1)
Christmas trees -- Fertilizers -- Oregon, Western (1)
Christmas trees -- Fertilizers -- Washington (State) (1)
Christmas trees -- Nutrition -- Oregon, Western (1)
Christmas trees -- Nutrition -- Washington (State) (1)
Christmas trees -- Weed control -- Northwest, Pacific (1)
Cirsium -- Oregon (1)
Cloche gardening -- Northwest, Pacific (1)
Codling moth (1)
Columbia River -- Study and teaching (Secondary) (1)
Common garter snake (1)
Community development (1)
Compost -- Oregon (1)
Conifers -- Diseases and pests -- Coast Ranges (1)
Conifers -- Diseases and pests -- Control -- Oregon (1)
Conservation tillage -- Northwest, Pacific (1)
Conservation tillage -- Oregon (1)
Construction industry -- Environmental aspects -- Northwest, Pacific -- Handbooks, manuals, etc. (1)
Consumption (Economics) -- United States (1)
Container gardening (1)
Container gardening -- Oregon (1)
Continuous cover forestry -- Research -- Oregon -- Oberteuffer Research and Education Forest (1)
Cookery (Game) (1)
Cooking, Spanish -- Handbooks, manuals, etc. (1)
Corn -- Diseases and pests -- Control -- Oregon (1)
Corn -- Diseases and pests -- Northwest, Pacific (1)
Corn -- Diseases and pests -- Oregon, Western (1)
Corn root rot -- Oregon (1)
Corn smut diseases -- Control -- Northwest, Pacific (1)
Corn smut diseases -- Northwest, Pacific (1)
Corporations -- Taxation -- Economic aspects -- Oregon (1)
Cottonwood -- Oregon (1)
Cover crops (1)
Cover crops -- Oregon -- Evaluation (1)
Cover crops -- Oregon, Western (1)
Cover crops -- Washington (State), Western (1)
Cranberries -- Fertilizers -- Oregon (1)
Cranberries -- Northwest, Pacific (1)
Cranberries -- Oregon (1)
Crop residue management -- Oregon, Western (1)
Cropping systems -- Oregon, Eastern (1)
Crops -- Columbia River Watershed (1)
Crops -- Effect of nitrogen on -- Oregon (1)
Crops -- Nutrition -- Oregon (1)
Crops -- Water requirements -- Oregon, Eastern (1)
Crops and nitrogen (1)
Crops and nitrogen -- Oregon -- Willamette River Valley (1)
Crops and nitrogen -- Oregon, Western (1)
Crops and nitrogen -- Washington (State), Western (1)
Crops and soils -- Oregon (1)
Cyanobacterial blooms -- Health aspects -- Oregon (1)
DDT (Insecticide) -- Environmental aspects -- Oregon (1)
Dairy barns (1)
Dairy cattle -- Feeding and feeds (1)
Dairy cattle -- Feeding and feeds -- Management (1)
Dairy cattle -- Manure -- Application (1)
Dairy cattle -- Manure -- Oregon, Western (1)
Dairy cattle -- Nutrition (1)
Dairy cattle -- Productivity (1)
Dairying (1)
Dark-eyed junco (1)
Deficiency diseases in plants -- Oregon, Western (1)
Dehorning (1)
Depression in old age (1)
Depression, Mental -- Diagnosis (1)
Depression, Mental -- Treatment (1)
Disaster relief -- United States (1)
Disaster relief. Disaster victims. Emergency management (1)
Disaster victims (1)
Disaster victims -- Psychological aspects (1)
Dog -- Training (1)
Douglas fir -- Harvesting -- Oregon -- McDonald Forest (1)
Douglas fir -- Harvesting -- Oregon -- Paul Dunn Forest (1)
Douglas fir -- Weed control -- Oregon (1)
Drinking water -- Quality (1)
Drinking water -- Testing (1)
Driving of horse-drawn vehicles -- Handbooks, manuals, etc. (1)
Drosophila -- Oregon (1)
Drosophila suzukii -- Control -- Oregon (1)
Drosophila suzukii -- Oregon (1)
Earth -- Internal structure -- Study and teaching (1)
Eastern filbert blight -- Oregon -- Willamette River Valley (1)
Ecological landscape design (1)
Ecosystem services -- Economic aspects -- United States (1)
Electric fences (1)
Emergency food supply (1)
Emergency water supply (1)
Endemic plants -- Oregon, Eastern (1)
Endophytic fungi -- Toxicology -- Oregon (1)
Energy -- Oregon -- Klamath Basin -- Costs (1)
Energy crops -- Oregon (1)
English ivy -- Control -- Oregon (1)
Entomology -- Study and teaching (Elementary) (1)
Entomology -- Study and teaching (Middle school) (1)
Environmental responsibility -- United States (1)
Eriogonum (1)
Esters (1)
Experimental design (1)
Experimental forests -- Oregon -- Oberteuffer Research and Education Forest (1)
Family records (1)
Farm management -- Planning (1)
Farm manure (1)
Farm manure, Liquid (1)
Farm produce -- Northwest, Pacific -- Marketing (1)
Farm produce -- Oregon (1)
Farm produce -- Valuation -- Oregon (1)
Farmers -- Social networks (1)
Farmers' markets -- Management (1)
Farmers' markets -- Oregon (1)
Farmers' markets -- Oregon -- Management (1)
Farms, Small -- Management -- Planning (1)
Fear in children (1)
Federal aid (1)
Feeds -- Contamination -- Oregon (1)
Feeds -- Oregon (1)
Fertilizers -- Application (1)
Fertilizers -- Oregon (1)
Fescue -- Fertilizers -- Oregon, Western (1)
Fire resistant plants -- Northwest, Pacific (1)
Firearms -- Study and teaching (1)
Fishing (1)
Flax (1)
Foliar diagnosis -- Northwest, Pacific (1)
Food -- Preservation (1)
Food -- Transportation -- Northwest, Pacific (1)
Food brokers -- Northwest, Pacific (1)
Food industry and trade -- Northwest, Pacific (1)
Food industry and trade -- United States (1)
Food supply -- Northwest, Pacific (1)
Food--Preservation (1)
Forage -- Economic aspects (1)
Forage plants (1)
Forage plants -- Diseases and pests -- Toxicology -- Oregon (1)
Forage plants -- Fertilizers -- Oregon (1)
Forage plants -- Fertilizers -- Oregon, Western (1)
Forage plants -- Valuation (1)
Forest ecology -- Oregon (1)
Forest ecology -- Oregon, Eastern (1)
Forest fires -- Northwest, Pacific -- Prevention and control (1)
Forest insects -- Control -- Oregon (1)
Forest insects -- Oregon (1)
Forest landowners -- Taxation -- United States (1)
Forest management (1)
Forest management -- Oregon, Eastern (1)
Forest management -- Oregon, Western (1)
Forest management -- Planning (1)
Forest management -- Standards -- North America (1)
Forest management -- Study and teaching (1)
Forest policy -- Oregon (1)
Forest products (1)
Forest products industry -- Certification -- North America (1)
Forest products industry -- Computer simulation (1)
Forest soils -- Northwest, Pacific -- Management (1)
Forest surveys -- Methodology (1)
Forest thinning -- Oregon (1)
Forestry -- Study and teaching -- Oregon (1)
Forests and forestry -- Coast Ranges -- Management (1)
Forests and forestry -- Measurement -- Methodology (1)
Forests and forestry -- Oregon -- Management (1)
Forests and forestry -- Oregon, Eastern (1)
Forests and forestry -- Research -- Oregon -- Oberteuffer Research and Education Forest (1)
Forests and forestry -- Taxation -- Oregon (1)
Forests and forestry -- Taxation -- United States (1)
Foster children -- Family relationships (1)
Foster parents -- Family relationships (1)
Freshwater fishes -- Oregon -- Willamette River Valley -- Identification (1)
Frozen foods (1)
Frozen foods -- Handbooks, manuals, etc. (1)
Frozen fruit (1)
Frozen vegetables (1)
Fruit -- Preservation (1)
Fruit -- Pruning (1)
Fruit -- Wounds and injuries -- Oregon (1)
Fruit trade -- Northwest, Pacific (1)
Fruit trees -- Pruning (1)
Fruit trees -- Varieties -- Oregon, Eastern (1)
Fruit-culture -- Northwest, Pacific (1)
Fuel reduction (Wildfire prevention) -- Northwest, Pacific (1)
Fuel reduction (Wildfire prevention) -- Oregon. (1)
Fungal diseases of plants -- Coast Ranges (1)
Fungal diseases of plants -- Oregon (1)
Fungicides -- Environmental aspects -- Oregon, Western (1)
Furrow irrigation (1)
Game and game-birds, Dressing of (1)
Garden pests -- Control (1)
Garden pests -- Control -- Oregon (1)
Garden pests -- Integrated control (1)
Garden soils (1)
Garden structures -- Recycling (1)
Gardening (1)
Gardening -- Northwest, Pacific (1)
Gardening -- Study and teaching -- Oregon (1)
Garlic mustard (Plant) -- Oregon (1)
Geology -- Study and teaching (1)
Goat milk (1)
Goats -- Milking (1)
Goats -- Parasites (1)
Goats -- Parasites -- Control (1)
Gorse -- Control -- Oregon (1)
Gourmet food industry -- Safety measures (1)
Grain -- Diseases and pests -- Oregon (1)
Grain -- Fertilizers -- Oregon (1)
Grain -- Roots -- Diseases and pests -- Control -- Northwest, Pacific (1)
Grain -- Varieties -- Oregon -- Statistics (1)
Grain -- Yields -- Oregon -- Statistics (1)
Grain Seeds -- Diseases and pests -- Control (1)
Grandparent and child (1)
Grape powdery mildew disease (1)
Grape powdery mildew disease -- Early detection (1)
Grape powdery mildew diseases -- Integrated control -- Oregon, Western (1)
Grapes -- Abnormalities -- Northwest, Pacific (1)
Grapes -- Diseases and pests -- Diagnosis -- Northwest, Pacific (1)
Grapes -- Diseases and pests -- Identification (1)
Grapes -- Diseases and pests -- Integrated control -- Oregon, Western (1)
Grapes -- Diseases and pests -- Nutritional aspects -- Diagnosis -- Northwest, Pacific (1)
Grapes -- Diseases and pests -- Oregon -- Prevention (1)
Grapes -- Diseases and pests -- Willamette River Valley (Or.) (1)
Grapes -- Frost protection -- Northwest, Pacific (1)
Grapes -- Herbicide injuries -- Northwest, Pacific (1)
Grapes -- Herbicide injuries -- Oregon (1)
Grapes -- Herbicide injuries -- Washington (State) (1)
Grapes -- Rootstocks -- Oregon (1)
Grapes -- Wounds and injuries -- Diagnosis -- Northwest, Pacific (1)
Grapevine leafroll virus -- Oregon (1)
Grassed waterways -- Northwest, Pacific (1)
Grasses -- Diseases and pests -- Oregon (1)
Grasses -- Diseases and pests -- Oregon, Western (1)
Grasses -- Diseases and pests -- Toxicology -- Oregon (1)
Grasses -- Harvesting time -- Oregon -- Willamette River Valley (1)
Grasses -- Northwest, Pacific -- Composition (1)
Grasses -- Residues -- Oregon, Western -- Management (1)
Grasses -- Seeds -- Moisture -- Oregon -- Willamette River Valley -- Measurement (1)
Grasses -- Seeds -- Oregon, Western -- Production (Biology) (1)
Grazing -- Management (1)
Grazing -- Oregon (1)
Green bean -- Diseases and pests -- Control -- Oregon -- Willamette River Valley (1)
Green darner (1)
Greenhouses -- Design and construction (1)
Grocery trade -- Northwest, Pacific (1)
Groundwater -- Oregon -- Quality (1)
Groundwater -- Quality (1)
Group work in education (1)
Hardwoods -- Management -- Oregon, Western (1)
Hazard Analysis and Critical Control Point (Food safety system) -- Northwest, Pacific (1)
Hazel -- Diseases and pests -- Identification (1)
Hazel -- Varieties (1)
Hazelnut -- Disease and pest resistance (1)
Hazelnut -- Varieties (1)
Hazelnut industry -- Northwest, Pacific (1)
Hazelnuts -- Diseases and pests -- Identification (1)
Hazelnuts -- Diseases and pests -- Integrated control -- Northwest, Pacific (1)
Hazelnuts -- Diseases and pests -- Oregon (1)
Hazelnuts -- Diseases and pests -- Oregon -- Willamette River Valley (1)
Hazelnuts -- Diseases and pests -- Willamette River Valley (Or.) (1)
Hazelnuts -- Fertilizers -- Northwest, Pacific (1)
Hazelnuts -- Harvesting (1)
Hazelnuts -- Harvesting -- Northwest, Pacific (1)
Hazelnuts -- Location -- Oregon -- Willamette River Valley (1)
Hazelnuts -- Northwest, Pacific (1)
Hazelnuts -- Northwest, Pacific -- Flowering (1)
Hazelnuts -- Northwest, Pacific -- Reproduction (1)
Hazelnuts -- Nutrition -- Northwest, Pacific (1)
Hazelnuts -- Planting -- Northwest, Pacific (1)
Hazelnuts -- Propagation -- Northwest, Pacific (1)
Hazelnuts -- Pruning -- Northwest, Pacific (1)
Hazelnuts -- Soils -- Oregon -- Willamette River Valley (1)
Hazelnuts -- Spacing -- Northwest, Pacific (1)
Hazelnuts -- Storage (1)
Hazelnuts -- Training -- Northwest, Pacific (1)
Hazelnuts -- Varieties -- Northwest, Pacific (1)
Hazelnuts -- Weed control -- Northwest, Pacific (1)
Hazelnuts -- Wounds and injuries -- Oregon (1)
Hazelnuts -- Yields -- Northwest, Pacific (1)
Herbicides -- Application (1)
Hippodamia (1)
Hispanic Americans (1)
Honeybee (1)
Horse farms -- Oregon, Eastern -- Management (1)
Horsemanship (1)
Horsemanship -- Competitions (1)
Horticultural crops -- Economic aspects -- Oregon (1)
Horticultural crops -- Oregon (1)
Human ecology -- United States (1)
Humus (1)
Hunger -- Northwest, Pacific (1)
Hunger -- Oregon (1)
Income tax -- United States (1)
Income tax deductions for losses (1)
Industrial efficiency (1)
Insect baits and repellents (1)
Insect baits and repellents -- Oregon (1)
Insect pests -- Control (1)
Insect traps -- Study and teaching (Elementary) (1)
Insect traps -- Study and teaching (Middle school) (1)
Insects (1)
Insects -- Oregon -- Identification (1)
Insects as carriers of plant disease -- United States (1)
Insects, Injurious and beneficial -- Northwest, Pacific (1)
Insurance (1)
Insurance claims (1)
Intercultural communication (1)
Invasive plants -- Control -- Study and teaching (Elementary) -- Activity programs (1)
Invasive plants -- Oregon (1)
Irrigation -- Oregon -- Equipment and supplies -- Maintenance and repair (1)
Irrigation farming -- Oregon -- Klamath Basin -- Costs (1)
Irrigation scheduling (1)
Irrigation scheduling -- Oregon (1)
Irrigation water -- Conservation (1)
Irrigation water -- Conservation -- Oregon (1)
Irrigation water -- Quality -- Northwest, Pacific (1)
Italian ryegrass -- Fertilizers -- Oregon, Western (1)
Jointed goatgrass -- Northwest, Pacific (1)
Kentucky bluegrass -- Fertilizers -- Oregon, Eastern (1)
Kentucky bluegrass -- Oregon, Eastern (1)
Kentucky bluegrass -- Seeds -- Oregon, Eastern (1)
Klamath Basin (Or.) (1)
Knapweeds -- Control -- Oregon -- Rogue River Valley (Klamath County-Curry County) (1)
Knapweeds -- Identification -- Oregon (1)
Labor contractors -- Certification -- Oregon (1)
Labor contractors -- Certification -- United States (1)
Ladybugs (1)
Land use -- Law and legislation -- Oregon -- Evaluation (1)
Landscape architecture -- Environmental aspects (1)
Landscape architecture -- Recycling (1)
Landscape construction (1)
Landscape design (1)
Landscape design -- Equipment and supplies (1)
Landscape gardening -- Water conservation -- Oregon (1)
Landscape plants -- Oregon, Eastern (1)
Lawns -- Fertilizers -- Oregon (1)
Lawns -- Irrigation -- Great Basin (1)
Lawns -- Oregon (1)
Lawns -- Oregon, Western (1)
Lead arsenate -- Environmental aspects -- Oregon (1)
Lean manufacturing (1)
Liming of soils -- Oregon (1)
Liming of soils -- Oregon, Eastern (1)
Linear programming (1)
Liquid fertilizers -- Application (1)
Livestock -- Effect of drought on (1)
Livestock -- Oregon (1)
Livestock -- Valuation -- Oregon (1)
Livestock -- Wintering -- Oregon (1)
Livestock poisoning plants -- Toxicology -- Oregon (1)
Livestock productivity (1)
Local taxation -- Economic aspects -- Oregon (1)
Lodgepole pine -- Diseases and pests -- Oregon -- Pacific Coast (1)
Log transportation -- Linear programming (1)
Logging (1)
Logging -- Amateurs' manuals (1)
Logging -- Oregon -- McDonald Forest (1)
Logging -- Oregon -- Paul Dunn Forest (1)
Logging -- Planning (1)
Long-term care facilities -- Decision making (1)
Low budget cooking -- Handbooks, manuals, etc. (1)
Low maintenance gardening (1)
Lumbering (1)
Lupinus angustifolius (1)
Manganese deficiency diseases in plants (1)
Manufacturing processes -- Computer simulation (1)
Manure handling (1)
Manures -- Application (1)
Manures -- Oregon, Western (1)
Manures -- Washington (State), Western (1)
Marine sciences -- Study and teaching (1)
Master gardeners -- Training of -- Oregon (1)
Mastitis -- Prevention (1)
Mealybugs -- Detection -- Oregon (1)
Mealybugs -- Oregon -- Identification (1)
Meat -- Preservation (1)
Meat cutting (1)
Meat industry and trade -- Oregon -- Employees -- Attitudes (1)
Meat industry and trade -- Washington (State) -- Employees -- Attitudes (1)
Meat inspection -- Oregon -- Public opinion (1)
Meat inspection -- Washington (State) -- Public opinion (1)
Mice -- Integrated control (1)
Microcystins -- Health aspects -- Oregon (1)
Microirrigation -- Oregon, Eastern (1)
Microirrigation -- West (U.S.) (1)
Milking -- Management (1)
Milking parlors -- Management (1)
Minimum wage -- United States (1)
Minority volunteers -- United States (1)
Mites as biological pest control agents -- Oregon, Western (1)
Moles (Animals) -- Control -- Northwest, Pacific (1)
Mulching -- Northwest, Pacific (1)
Mulching -- Study and teaching (Elementary) -- Activity programs (1)
Mushrooms, Edible -- Harvesting -- Northwest, Pacific (1)
Mushrooms, Edible -- Northwest, Pacific -- Marketing (1)
Mustard (1)
Native plant gardening -- Oregon (1)
Native plant gardening -- Oregon, Eastern (1)
Native plants for cultivation -- Oregon (1)
Nitrates -- Environmental aspects -- Oregon -- Willamette River Valley (1)
Nitrogen -- Fixation -- Evaluation (1)
Nitrogen -- Oregon -- Willamette River Valley -- Fixation -- Testing (1)
Nitrogen fertilizers -- Environmental aspects -- Oregon (1)
Nitrogen fertilizers -- Oregon (1)
Nitrogen fertilizers -- Oregon, Eastern (1)
Nitrogen fertilizers -- Oregon, Western (1)
Nitrogen fertilizers -- Washington (State), Western (1)
Nitrogen in agriculture -- Oregon -- Willamette River Valley (1)
Nitrogen in agriculture -- Oregon, Western (1)
Nitrogen in agriculture -- Washington (State), Western (1)
No-tillage -- Northwest, Pacific (1)
No-tillage -- Oregon, Eastern (1)
No-tillage -- Washington (State), Eastern (1)
Nursery stock -- Weed control (1)
Nursing home care -- Decision making (1)
Nursing homes -- Decision making (1)
Nut trees -- Pruning (1)
Nutrition -- Oregon (1)
Nuts -- Diseases and pests -- Control -- Oregon (1)
Oberteuffer Research and Education Forest (Or.) (1)
Obesity -- Oregon (1)
Oilseed plants (1)
Older people -- Care (1)
Older people -- Care and hygiene (1)
Older people -- Finance, Personal (1)
Older people -- Services for (1)
Onions -- Fertilizers -- Pacific, Northwest (1)
Onions -- Northwest, Pacific (1)
Orchards -- Northwest Pacific -- Design and construction (1)
Orchards -- Northwest Pacific -- Management (1)
Oregon State University. Extension Service (1)
Organic farmers -- Oregon -- Attitudes (1)
Organic farming (1)
Organic farming -- Oregon (1)
Organic wastes as soil amendments (1)
Ornamental trees -- Fertilizers (1)
Ornamental woody plants -- Mulching -- Northwest, Pacific (1)
Oulema melanopa (1)
Pacific madrone -- Diseases and pests -- Pacific Coast (U.S.) (1)
Paratrioza cockerelli -- United States (1)
Parent and adult child (1)
Pasture plants (1)
Pastures -- Fertilizers -- Oregon (1)
Pastures -- Oregon, Eastern -- Management (1)
Pastures -- Washington (State) -- Management (1)
Peaches -- Diseases and pests -- Control -- Oregon (1)
Pear -- Diseases and pests -- Control -- Northwest ,Pacific (1)
Pear -- Storage -- Diseases and injuries -- Control -- Northwest, Pacific (1)
Pear -- Varieties -- Oregon, Eastern (1)
Pear scab -- Control -- Oregon (1)
Pear scab -- Oregon (1)
Pears -- Diseases and pests -- Control -- Northwest, Pacific (1)
Pears -- Diseases and pests -- Northwest, Pacific (1)
Penthaleidae -- Oregon (1)
Peppermint -- Irrigation -- Oregon -- Willamette River Valley (1)
Peppers (1)
Perennials (1)
Pesticide waste -- Safety measures (1)
Pesticides -- Application (1)
Pesticides -- Application -- Safety measures (1)
Pesticides -- Environmental aspects -- Oregon (1)
Pesticides -- Health aspects -- Oregon (1)
Pesticides -- Labeling (1)
Pesticides -- Storage -- Safety measures (1)
Pets -- Safety measures (1)
Phosphatic fertilizers -- Oregon, Eastern (1)
Phosphatic fertilizers -- Washington (State), Eastern (1)
Phosphorus in agriculture (1)
Phosphorus in agriculture -- Oregon (1)
Phosphorus in agriculture -- Washington (1)
Phosphorus in animal nutrition (1)
Phylloxera -- Prevention (1)
Physical distribution of goods -- United States (1)
Phytopathogenic microorganisms -- Control (1)
Phytophthora diseases -- Oregon (1)
Phytophthora ramorum -- Control -- Washington (State) (1)
Pickles (1)
Plant diseases -- Diagnosis (1)
Plant kairomones (1)
Plant mites -- Integrated control -- Oregon, Western (1)
Plant mites -- Oregon (1)
Plant nematodes -- Control -- Northwest, Pacific (1)
Plant nematodes -- Northwest, Pacific (1)
Plant nutrients (1)
Plants -- Herbicide tolerance (1)
Plants -- Oregon -- Willamette River Valley -- Nutrition (1)
Plants, Ornamental -- Diseases and pests -- Control (1)
Plants, Ornamental -- Oregon (1)
Plants, Ornamental -- Soils -- Oregon, Western (1)
Plants, Ornamental -- Soils -- Washington (State), Western (1)
Polyacrylamide (1)
Polygonum -- Control (1)
Polygonum -- Control -- Oregon (1)
Poplar -- Irrigation -- Treasure Valley (Idaho and Or.) (1)
Poplar -- Irrigation -- West (U.S.) (1)
Potassium in agriculture (1)
Potato tuberworm -- Control -- Northwest, Pacific (1)
Potatoes -- Diseases and pests -- Control -- Northwest, Pacific (1)
Potatoes -- Diseases and pests -- Oregon, Western (1)
Potatoes -- Diseases and pests -- United States (1)
Potatoes -- Diseases and pests -- Washington (State), Western (1)
Potatoes -- Fertilizers (1)
Potatoes -- Irrigation (1)
Poultry -- Breeding -- United States (1)
Poultry -- Housing (1)
Pratylenchus -- Control -- Northwest, Pacific (1)
Praying mantis (1)
Predatory animals -- Control (1)
Predatory mite -- Effect of pesticides on -- Oregon, Western (1)
Preparedness (1)
Problem solving (1)
Process control (1)
Process control -- Statistical methods (1)
Pruning -- Oregon (1)
Pseudococcus maritimus -- Oregon (1)
Pygmy goat (1)
Quality control -- Statistical methods (1)
Rabbits -- Diseases (1)
Rabbits -- Parasites (1)
Raised bed gardening (1)
Rangelands -- Water-supply (1)
Raspberries -- Diseases and pests (1)
Raspberries -- Diseases and pests -- Control (1)
Raspberries -- Fertilizers -- Oregon, Western (1)
Raspberries -- Oregon (1)
Raspberries -- Oregon, Western -- Nutrition (1)
Raspberries -- Varieties -- Oregon (1)
Raspberries -- Viruses -- Control (1)
Raspberry industry -- Northwest, Pacific -- Handbooks, manuals, etc. (1)
Real property -- Valuation -- Oregon (1)
Red clover -- Diseases and pests -- Oregon (1)
Red maple -- Fertilizers (1)
Red maple -- Nutrition (1)
Red raspberry -- Northwest, Pacific -- Handbooks, manuals, etc. (1)
Reforestation -- Northwest, Pacific (1)
Reforestation -- Oregon (1)
Restoration ecology -- Oregon (1)
Revegetation -- Oregon (1)
Rhododendrons -- Diseases and pests (1)
Rhododendrons -- Diseases and pests -- Control (1)
Rich people -- Taxation -- Economic aspects -- Oregon (1)
Riparian plants (1)
Riparian plants -- Oregon -- Douglas County (1)
Riparian plants -- Oregon -- Jackson County (1)
Riparian plants -- Oregon -- Josephine County (1)
Riparian plants -- Oregon -- Willamette River Valley (1)
Riparian restoration (1)
Riparian restoration -- Oregon -- Douglas County (1)
Riparian restoration -- Oregon -- Jackson County (1)
Riparian restoration -- Oregon -- Josephine County (1)
Riparian restoration -- Oregon -- Willamette River Valley (1)
Rodent control -- Oregon (1)
Roses -- Diseases and pests -- Control (1)
Roses -- Oregon, Eastern (1)
Rotational grazing -- Oregon, Eastern (1)
Rural development -- Oregon (1)
Ryegrasses -- Fertilizers -- Oregon -- Willamette River Valley (1)
Ryegrasses -- Nutrition -- Oregon, Western (1)
Ryegrasses -- Seeds -- Oregon, Western -- Production (Biology) (1)
Ryegrasses -- Seeds -- Yields -- Oregon -- Willamette River Valley (1)
Safflower (1)
Salmon -- Study and teaching (Elementary) (1)
Sawflies -- Oregon (1)
School buildings -- Pest control (1)
Scotch broom -- Control -- Northwest, Pacific (1)
Scotch broom -- Control -- Oregon (1)
Scotch broom -- Northwest, Pacific (1)
Scours (1)
Scours -- Prevention (1)
Scours -- Treatment (1)
Seafood -- Preservation (1)
Sediment control -- Northwest, Pacific (1)
Seed treatment (1)
Senile dementia -- Patients -- Home care (1)
Sewage sludge as fertilizer (1)
Sewing (1)
Sheep (1)
Sheep -- Parasites (1)
Sheep -- Parasites -- Control (1)
Sheep milk (1)
Shelterwoods -- Oregon -- Oregon Coast Range -- Case studies (1)
Shooting -- Study and teaching (1)
Sitka spruce -- Diseases and pests -- Oregon -- Pacific Coast (1)
Slash (Logging) -- Recycling -- Oregon (1)
Slashburning -- Oregon (1)
Slugs (Mollusks) -- Control (1)
Social security taxes -- United States (1)
Soft wheat -- Diseases and pest resistance -- Oregon (1)
Soft wheat -- Fertilizers -- Oregon, Western (1)
Soft wheat -- Varieties -- Oregon, Eastern (1)
Soft wheat -- Varieties -- Washington (State), Eastern (1)
Soil absorption and adsorption -- Oregon -- Measurement (1)
Soil acidification -- Northwest, Pacific (1)
Soil acidification -- Oregon, Eastern (1)
Soil acidity -- Oregon, Western -- Testing (1)
Soil amendments (1)
Soil fertility -- Oregon, Western -- Testing (1)
Soil management -- Northwest, Pacific (1)
Soil management -- Oregon (1)
Soil moisture potential -- Oregon, Eastern (1)
Soil permeability -- Oregon -- Measurement (1)
Soil productivity -- Northwest, Pacific (1)
Soil salinization -- Control (1)
Soil science -- Oregon (1)
Soil-binding (1)
Soils -- Agricultural chemical content -- Oregon (1)
Soils -- Leaching -- Oregon -- Willamette River Valley (1)
Soils -- Nitrate content -- Oregon, Western (1)
Soils -- Nitrate content -- Oregon, Western -- Testing (1)
Soils -- Nitrogen content -- Oregon, Western -- Measurement (1)
Soils -- Oregon (1)
Soils -- Pesticide content -- Oregon (1)
Soils -- Sampling (1)
Soils, Salts in (1)
Sorghum (1)
Soybean -- Irrigation -- Northwest, Pacific (1)
Spanish broom -- Control -- Oregon (1)
Sphacelotheca -- Northwest, Pacific (1)
Spraying and dusting in agriculture (1)
Spraying and dusting residues in agriculture (1)
Stone fruit -- Varieties -- Oregon, Eastern (1)
Stone in landscape gardening (1)
Straw -- Oregon, Western -- Management (1)
Strawberries -- Varieties -- Oregon (1)
Strawberries -- Varieties -- Oregon, Western (1)
Strawberries -- Varieties -- Washington (State), Western (1)
Stream ecology -- Monitoring -- Handbooks, manuals, etc. (1)
Streambank planting (1)
Streambank planting -- Northwest, Pacific (1)
Streambank planting -- Oregon, Western (1)
Sudan grass (1)
Sudden oak death -- Washington (State) -- Prevention (1)
Surveying (1)
Survival and emergency equipment (1)
Survival and emergency rations (1)
Sustainable forestry -- North America (1)
Sustainable horticulture -- Study and teaching -- Oregon (1)
Sustainable living -- United States (1)
Sweet cherry -- Northwest, Pacific (1)
Sweet cherry -- Varieties -- Northwest, Pacific (1)
Sweet cherry -- Varieties -- Oregon (1)
Sweet corn -- Fertilizers -- Oregon (1)
Swine -- Feeding and feeds (1)
Swine -- Housing -- Oregon (1)
Swine -- Vaccination (1)
Swiss needle cast -- Oregon (1)
Table grapes -- Oregon (1)
Take-all disease -- Control -- Oregon, Western (1)
Tall fescue -- Seeds -- Oregon, Western -- Production (Biology) (1)
Tanoak -- Diseases and pests -- Oregon (1)
Tansy ragwort -- Control -- Oregon (1)
Teff -- Oregon (1)
Thistles -- Oregon (1)
Timber -- Economic aspects (1)
Time management (1)
Tomato products -- Preservation (1)
Tomatoes -- Preservation (1)
Toxic algae -- Health aspects -- Oregon (1)
Tree felling -- Amateurs' manuals (1)
Tree felling -- Safety measures (1)
Tree planting -- Oregon -- Douglas County (1)
Tree planting -- Oregon -- Jackson County (1)
Tree planting -- Oregon -- Josephine County (1)
Tree planting -- Oregon -- Willamette River Valley (1)
Trees -- Diseases and pests -- Control -- Northwest, Pacific (1)
Trees -- Measurement -- Methodology (1)
Trees -- Oregon -- Nomenclature (1)
Trees -- Oregon -- Nomenclature (Popular) (1)
Trees -- Protection -- Northwest, Pacific -- Handbooks, manuals, etc. (1)
Trees -- Wounds and injuries -- Northwest, Pacific -- Prevention (1)
Tribulus terrestris -- Control -- Oregon, Western (1)
Tribulus terrestris -- Oregon, Western -- Identification (1)
Turf management -- Oregon, Western (1)
Turfgrasses -- Seeds (1)
Unemployed -- Finance, Personal (1)
Unemployment -- Economic aspects (1)
United States. Federal Emergency Management Agency (1)
Upper Klamath Lake Watershed (Or.) (1)
Urban livestock production systems (1)
Ustilago maydis -- Northwest, Pacific (1)
Vaccinium vitis-idaea -- Northwest, Pacific (1)
Vaccinium vitis-idaea -- Oregon (1)
Vegetable gardening -- Northwest, Pacific (1)
Vegetable trade -- Northwest, Pacific (1)
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