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Carbon dynamics in agricultural systems
(Mar 2013)
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Organic farming: Impacts on soil, food, and human health
(Dec 2012)
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Quantifying the linkages among soil health, organic farming, and food
(Oct 2012)
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Organic no-till production for grain crops in Iowa: Effects on crop productivity and soil quality
(Oct 2012)
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Rye cover crop effects on soil properties in no-till corn silage/soybean agroecosystems
(Oct 2012)
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Value of fluid fertilizer in bio-energy production
(Oct 2012)
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Dealing with drought: Securing nitrogen with cover crops
(Sep 2012)
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Organic vegetable research: Twenty years of progress
(Jul 2012)
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Modeling phosphorus capture by plants growing in a multi-species riparian buffer
(Jul 2012)
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Soil carbon sequestration in central USA agroecosystems
(Jun 2012)
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Fluid fertilizer's role in sustaining soils used for bio-energy feedstock production
(May 2012)
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In-stream measurement of canola (Brassica napus L.) seed oil concentration using in-line near infrared reflectance spectroscopy
(May 2012)
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Capture of Plateau Runoff by GPS Guided Drill Seed Operation
(May 2012)
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Synchrony of net nitrogen mineralization and maize nitrogen uptake following applications of composted and fresh swine manure in the Midwest U.S.
(Apr 2012)
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Effect of planting methods on spring canola (Brassica napus L.) establishment and yield in the low-rainfall region of the Pacific Northwest
(Mar 2012)
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Economics of alternative management practices for jointed goatgrass in winter wheat in the Pacific Northwest
(Feb 2012)
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Don't overlook sulfur in crop management
(Feb 2012)
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Evaluation of methods to determine residual soil nitrate zones across the northern Great Plains of the USA
(Nov 2011)
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Chemical composition and bioethanol potential of different plant species found in pacific northwest conservation buffers
(Nov 2011)
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Maize water use in living mulch systems with stover removal
(Oct 2011)
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Winter wheat/red clover intercrop response to tillage and compost amendment
(Oct 2011)
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Water and salt extractable organic matter as affected by soil depth and tillage system
(Oct 2011)
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Nitrogen, phosphorus, and potassium requirements to support a multi-billion gallon biofuel industry
(Sep 2011)
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Estimating soil organic carbon using aerial imagery and soil surveys
(Sep 2011)
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Use of legume manures as nitrogen sources for corn production
(Aug 2011)
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Early season remote sensing of wheat nitrogen status using a green scanning laser
(Jul 2011)
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Cover crop effects on nitrogen load in tile drainage from Walnut Creek Iowa using root zone water quality model (RZWQM)
(Jul 2011)
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Simple assessment of needleleaf and broadleaf chlorophyll content using a flatbed color scanner
(Jul 2011)
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Grazing management effects on stream bank erosion and phosphorus delivery to a pasture stream
(Jul 2011)
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Tillage and no-tillage conservation effectiveness in the intermediate precipitation zone of the inland Pacific Northwest, United States
(Jul 2011)
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Stocking rate and riparian vegetation effects on physical characteristics of riparian zones of midwestern pastures
(Jun 2011)
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Grazing management effects on sediment, phosphorus, and pathogen loading of streams in cool-season grass pastures
(Jun 2011)
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Building a lasting partnership - small-scale canola biodiesel experiment may go big
(Jun 2011)
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Winter cereal canopy effect on cereal and interseeded legume productivity
(May 2011)
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Minimizing interspecific competition in soybean by optimizing cover crop self-seeding
(May 2011)
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Structure of a bacterial cell surface decaheme electron conduit
(May 2011)
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Sorption indices to estimate risk of soil phosphorus loss in the Rathbun Lake Watershed, Iowa
(May 2011)
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Nutrient cyling in soils: Sulfur
(Apr 2011)
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Intensive crop rotation yield and economic performance in minimum tillage and no-tillage, in northeastern Oregon
(Mar 2011)
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Fluid fertilizer's role in sustaining soils used for bio-energy feedstock production
(Mar 2011)
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Narrow-width harvester for switchgrass and other bioenergy crops in experimental plots
(Mar 2011)
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Grazing management effects on sediment, phosphorus, and pathogen loading of pasture streams
(Mar 2011)
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Swine manure injection with a low-disturbance applicator and cover crops reduce phosphorus losses in runoff
(Mar 2011)
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Computing wheat nitrogen requirements from grain yield and protein maps
(Feb 2011)
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Computing wheat nitrogen requirements from grain yield and protein maps
(Feb 2011)
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Variability of light interception and radiation use efficiency in maize and soybean
(Jan 2011)
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How does fertilizer/manure placement affect P and K availability in the root zone?
(Dec 2010)
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Soil, water, and greenhouse-gas impacts of alternative biomass cropping systems
(Dec 2010)
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Introduction: Evaluating long-term impacts of harvesting crop residues on soil quality
(Dec 2010)
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Integrated weed management systems identified for jointed goatgrass (Aegilops cylindrica) in the Pacific Northwest
(Nov 2010)
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Under Cover: Secrets to Using Companion Crops in Establishment of M. x Giganteus
(Nov 2010)
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Contrasting methods for estimating evapotranspiration in soybean
(Oct 2010)
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Two EDF graphs for assessing agreement between paired data
(Oct 2010)
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Soybean Photosynthetic Rate and Carbon Fixation at Early and Late Planting Dates
(Sep 2010)
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Managing Perennial Monocultures for Ecosystem Services
(Aug 2010)
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Cover Crops and Manure: Two Is Better Than One
(Aug 2010)
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Soil Phosphorus Distribution in a Crop Production System with Long-term Compost Amendment
(Aug 2010)
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Is Sulfur Limiting Maize Grown on Eroded Midwestern U.S. Soils?
(Aug 2010)
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US Policy approaches for assessing soil health
(Aug 2010)
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Contour Planting: A Strategy to Reduce Soil Erosion on Steep Slopes
(Jul 2010)
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On-combine Sensing Technique for Mapping Straw Yield within Wheat Fields
(Jul 2010)
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Root characteristics of two soybean cultivars grown in fumigated fields in Iowa
(Jul 2010)
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Plant Community Development in a Dryland CREP in Northeastern Oregon
(May 2010)
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Simultaneous measurements of plant structure and chlorophyll content in broadleaf saplings with a terrestrial laser scanner
(May 2010)
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Optimizing Nutrient Management for Sustainable Bio-energy Feedstock Production
(Apr 2010)
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Active Ground Optical Remote Sensing for Improved Monitoring of Seedling Stress in Nurseries
(Mar 2010)
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Value of Using Different Vegetative Indices to Quantify Agricultural Crop Characteristics at Different Growth Stages under Varying Management Practices
(Mar 2010)
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Nitrogen and Water Stress Impacts Hard Red Spring Wheat (Triticum aestivum) Canopy Reflectance
(Mar 2010)
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Fluid Fertilizer's Role in Sustaining Soils Used for Bio-fuels Production
(Feb 2010)
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Potassium Uptake Efficiency and Dynamics in the Rhizosphere of Maize, Wheat, and Sugar Beet Evaluated with a Mechanistic Model
(Jan 2010)
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Living Mulch Nutritive Value in a Corn-Soybean-Forage Rotation
(Dec 2009)
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Assessing Nitrogen Status of Dryland Wheat Using the Canopy Chlorophyll Content Index
(Dec 2009)
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Contrasting Methods for Measuring Evapotranspiration in Soybean
(Nov 2009)
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Photosynthetic Rate of Soybean at Various Planting Dates
(Nov 2009)
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Modern Statistical Graphs that Provide Insight in Research Results
(Nov 2009)
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Cover Crop Biomass and Corn Yield Following 13 Rye, Wheat, and Triticale Cultivars Used as Winter Cover Crops
(Nov 2009)
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Coupling Cover Crops with Alternative Swine Manure Application Strategies: Manure-15N Tracer Studies
(Nov 2009)
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Seasonal Changes in Photosynthesis, Antioxidant Systems and ELIP Expression in a Thermonastic and Non-thermonastic Rhododendron Species: A Comparison of Photoprotective Strategies in Overwintering Plants
(Oct 2009)
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Living Mulch Forage Yield and Botanical Composition in a Corn-Soybean-Forage Rotation
(Aug 2009)
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Pacific Northwest USDA-ARS Jointed Goatgrass Research and Extension Activities
(Jul 2009)
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Integrated Management of Jointed Goatgrass in the Pacific Northwest
(Jul 2009)
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Crop Rotation in Row Crop Production Systems
(Jun 2009)
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A spectral index to monitor the head-emergence of wheat in semi-arid conditions
(Mar 2009)
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Red clover interseeded into small grains makes cents
(Feb 2009)
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