Index Catalog // ScholarsArchive@OSU

Cover crops and biochemical functional diversity in relation to nitrogen availability in soil

Creator:: Burket, John Zimmerman
Abstract:: Nitrogen availability in agricultural soils from fertilizer, plant residue inputs, and soil organic matter has important implications beyond crop yield. Legume winter cover crops and one fourth the recommended N rate on sweet corn resulted in yields equivalent to those at the recommended rate in the Willamette Valley of western...
Resource Type:: Dissertation
Full Text:: fourth the recommended N rate on sweet corn resulted in yields equivalent to those at the recommended

Winter cover cropping effects on integrative biological indicators of soil quality

Creator:: Ndiaye, Evelyne L.
Abstract:: Responses of biological indicators of soil quality to winter cover cropping were measured on soil samples collected from 6 commercial growers' fields and two experiment research stations in the Willamette Valley of Oregon. The research stations were the North Willamette Research and Extension Center (Aurora, OR), and the Oregon State...
Resource Type:: Masters Thesis
Full Text:: and nitrogen management in sweet corn and broccoli rotations. HortSci. 32: 664-668. Burns, R.G

Effects of green manures on verticillium wilt of potatoes and on soil properties related to disease suppression

Creator:: Ochiai, Naoyuki
Abstract:: Increasing regulation and costs of soil fumigation to manage diseases such as Verticillium wilt caused by soil-borne pathogens have prompted a search for management alternatives. Single-year microplot experiments were conducted in 2002 and 2003 in central Oregon to evaluate the effects of Austrian winter pea, broccoli, and Sudan grass green...
Resource Type:: Masters Thesis
Full Text:: grass, Austrian winter peas (28), sweet corn or barley (26) is not always related to changes in

Field management effects on the thermal stability and activity of soil enzymes in whole soil and aggregates

Creator:: Bandick, Anna Katrina
Resource Type:: Masters Thesis
Full Text:: Effects on the Thermal Stability and Activity of Soil Enzymes in Whole Soil and Aggregates. Abstract

Nitrate leaching and model evaluation under winter cover crops

Creator:: Minshew, Hudson F.
Resource Type:: Masters Thesis
Full Text:: plot treatments were cereal cover crops, grown in rotation with summer crops, broccoli and sweet corn

Organic soil amendements (sic) : impacts on snap bean common root rot and soil quality

Creator:: Cespedes Leon, Maria Cecilia
Abstract:: Common root rot is a major disease of commercially grown snap bean (Phaseolus vulgaris L.) on the irrigated sandy soils of central Wisconsin. The objective of this study was to determine the relationships between soil properties and suppressiveness to common root rot of snap bean (causal agent Aphanomyces euteiches) in...
Resource Type:: Masters Thesis
Full Text:: ........................................................................................103 LIST OF FIGURES Figure Page 3.1. Soil amendment effects on DSI (a) on soils collected in

Inorganic nitrogen and soil biological dynamics in cover crop systems

Creator:: Kauffman, Susan Muna
Resource Type:: Masters Thesis
Full Text:: rotations in summer 1991 and 1993, and sweet corn (Zea mays) was produced in only the alternative rotations

Determinants of microbial community structure and substrate utilization potential in soils of vegetable cropping systems

Creator:: Schutter, Mary E.
Abstract:: The Oregon Long-Term Soil Quality Project was initiated to identify soil properties that respond rapidly to alternative management practices. Such practices included winter cover cropping, which was implemented at two experimental research stations and several grower fields throughout the Willamette Valley. The goal of this thesis was to identify the...
Resource Type:: Dissertation
Full Text:: and Biolog potential in response to winter cover cropping, but effects often were not observed until

Soil quality dynamics in an integrated reduced-tillage and cover-cropped vegetable agroecosystem

Creator:: Banners, Candace R.
Abstract:: Soil response and function were investigated following the adoption of an integrated reduced-tillage and cover-cropped vegetable system in the Willamette Valley of Western Oregon. The experiment was conducted over three cropping seasons (2002-2004) at the Oregon State University Vegetable Research Farm (Corvallis, OR). The design was a randomized complete-block with...
Resource Type:: Masters Thesis
Full Text:: ....................................................................................................... 107 LIST OF FIGURES Figure 2.1. Tillage and cover crop effects on soil microbial biomass-C in an

ScholarsArchive@OSU

Cover crops and biochemical functional diversity in relation to nitrogen availability in soil

Winter cover cropping effects on integrative biological indicators of soil quality

Effects of green manures on verticillium wilt of potatoes and on soil properties related to disease suppression

Field management effects on the thermal stability and activity of soil enzymes in whole soil and aggregates

Nitrate leaching and model evaluation under winter cover crops

Organic soil amendements (sic) : impacts on snap bean common root rot and soil quality

Inorganic nitrogen and soil biological dynamics in cover crop systems

Determinants of microbial community structure and substrate utilization potential in soils of vegetable cropping systems

Soil quality dynamics in an integrated reduced-tillage and cover-cropped vegetable agroecosystem

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