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Pasture renovation with herbicide suppression of weeds and no-till seeding of orchardgrass

Creator:: Fitzsimmons, James P.
Abstract:: No-till pasture renovation can increase the quality and forage yield of underproductive pastures. Decreased erosion, lower costs, and less lost grazing time are advantages of no-till renovation compared to conventional renovation. Unwanted vegetation is first controlled with herbicides to decrease competition for introduced orchardgrass. Two field trials were conducted using...
Resource Type:: Masters Thesis
Full Text:: Weeds and No-till Seeding of Orchardgrass INTRODUCTION In western Oregon there are approximately 1

Factors influencing metribuzin use in strip-planted wheat

Creator:: Zeghida, Ali
Abstract:: Equipment for strip-till planting is under development in wheat-fallow rotations in the Columbia Basin of Oregon. This involves the absence of tillage during the fallow season. At planting time, the strip-till planter creates a narrow band into which the wheat seed is placed. The area between the rows is undisturbed...
Resource Type:: Masters Thesis
Full Text:: 59 LIST OF FIGURES Figure No. 1 Rotary strip-tiller operations (a) her- bicide-fertilizer band

Multiple pest suppression with cover crops in strawberry

Creator:: Datta, Braja Bandhu
Abstract:: The experiment was conducted to compare multiple pest (weed, soil arthropod and diseases) suppression by cereal cover crops in 'Selva' and 'Totem' strawberry. In addition, perlite was used to compare improvement of soil and root aeration which might modify strawberry black root rot complex. Small-seeded summer annual weeds were suppressed...
Resource Type:: Masters Thesis
Full Text:: suppressed more than 81% of the total weeds compared to control plots with no cover crop in early spring

Weeds With a Purpose: Interseeding Cover Crops into Sweet Corn in Western Oregon

Creator:: Donaldson, Andrew R.
Abstract:: Cover crop establishment in late-season crops, like sweet corn, may be difficult due to the relatively short operational window following crop harvest. In regions like western Oregon, where fall-precipitation can occur when the crop is still in the field, cover crops may not be able to be planted, due to...
Resource Type:: Masters Thesis
Full Text:: .................................................................................................... 1 Alternative Cover Crop Establishment Methods

The evaluation of cereal grains, legumes and selected winter annuals as cover crops for the Willamette Valley

Creator:: Copeland, Ray Drew
Abstract:: Annual cover crops are widely used in the Willamette Valley of Oregon on hill land, in orchards and on overflow river bottom land. Cover crops are grown to prevent soil erosion and to increase soil organic matter. The objectives of this study were to determine the crops that would be...
Resource Type:: Masters Thesis
Full Text:: cover crops are evaluated. Since no one crop has been clearly defined as the best for most cover

Insect pests of economic importance on cereal crops in the Senegal River Basin, West Africa

Creator:: Sy, Adama
Abstract:: Cereal crops cultivated in Mali, Mauritania and Senegal consist primarily of sorghum, millet, rice and maize. They form the gramineous crops that, are programmed for the agricultural improvement of the Senegal River Basin. Twelve economically important insect pests on these crops were selected for study and treated with regard to...
Resource Type:: Masters Thesis
Full Text:: Distribution of Major Groups of Pests 21 Crop Losses and Current Pest Control 23 Monographs of Selected

Weed suppression in vegetables with residues of 'micah' barley (Horedeum vulgare L.) and other spring cereals

Creator:: Chongwe, Edgar Happy
Abstract:: Three experiments whose objectives were to investigate cover crop kill by winter freeze, weed suppression by 'Micah' barley and other spring cereals, and allelopathic potential of cereal covers were conducted at the Vegetable Research Farm and in the greenhouse and growth chamber facilities at OSU in 1989/90. Kill by winter...
Resource Type:: Masters Thesis
Full Text:: LIST OF TABLES Table Page 1. Grass and weed biomass; and other important cover crop parameters for

The influence of herbicides, phosphorus fertilization, and mechanical and chemical seedbed preparation on the establishment of alfalfa (Medicago sativa L.) and birdsfoot trefoil (Lotus conrniculatus L.)

Creator:: Valdes Lamar, Ramon
Abstract:: Initial establishment of legume forage crops is of prime importance in determining future forage and seed production. The objective of this study was to determine the influence of herbicides, phosphorus fertilization, and seedbed preparation on the establishment of alfalfa and birdsfoot trefoil. Experiments were designed to study the influence of...
Resource Type:: Masters Thesis
Full Text:: destruction of existing vegetation by chemical means and seeding to a crop with minimum or no additional

Forage yield as influenced by fertilizer treatments

Creator:: Cooper, Duahne William
Resource Type:: Masters Thesis
Full Text:: &8$iUIfl....s,.e..,.Cs,ØIse.see.Iseee eses cesse.. 1 Combtnation5 of Fertiits.rs

Relationship between date of planting and rate and method of fertilizer applications on yield, test weight and kernel size of Hannchen barley

Creator:: Norero, Aldo
Resource Type:: Masters Thesis
Full Text:: Ilrtr thcrlr lr Brtrcotcd Octobcr ?1 1960 Typad by Blelnc Arhctoft ACKNOWLBI:QtENT The writer

ScholarsArchive@OSU

Pasture renovation with herbicide suppression of weeds and no-till seeding of orchardgrass

Factors influencing metribuzin use in strip-planted wheat

Multiple pest suppression with cover crops in strawberry

Weeds With a Purpose: Interseeding Cover Crops into Sweet Corn in Western Oregon

The evaluation of cereal grains, legumes and selected winter annuals as cover crops for the Willamette Valley

Insect pests of economic importance on cereal crops in the Senegal River Basin, West Africa

Weed suppression in vegetables with residues of 'micah' barley (Horedeum vulgare L.) and other spring cereals

The influence of herbicides, phosphorus fertilization, and mechanical and chemical seedbed preparation on the establishment of alfalfa (Medicago sativa L.) and birdsfoot trefoil (Lotus conrniculatus L.)

Forage yield as influenced by fertilizer treatments

Relationship between date of planting and rate and method of fertilizer applications on yield, test weight and kernel size of Hannchen barley

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