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Articles 301 - 330 of 1637

Full-Text Articles in Agriculture

Small Grains And Field Peas: 2010 Variety Recommendations (2009 Crop Performance Results), Cooperative Extension Service, South Dakota State University Dec 2008

Small Grains And Field Peas: 2010 Variety Recommendations (2009 Crop Performance Results), Cooperative Extension Service, South Dakota State University

SDSU Extension Circulars

Variety selection is a fundamental element in a sound crop production program. This report contains variety recommendations, descriptions, and yield data for the spring-seeded small grains – hard red spring wheat, oat, and barley, along with the fall-seeded small grain –hard red winter wheat. Key factors in variety selection include yield, yield stability, maturity, straw strength, height, test weight, quality, and disease resistance. Yield is an important factor; however, a variety with good disease resistance, straw strength, and high grain quality may be more profitable in some cases than the highest yielding variety. Disease resistance information is based on reactions …

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Conservation Reserve Program In South Dakota: Major Findings From 2007 Survey Of South Dakota Crp Respondents, Larry Janssen, Nicole Klein, Gary Taylor, Emmanuel Opoku Jul 2008

Conservation Reserve Program In South Dakota: Major Findings From 2007 Survey Of South Dakota Crp Respondents, Larry Janssen, Nicole Klein, Gary Taylor, Emmanuel Opoku

Economics Research Reports (1969 - 2017)

Major findings from a 2007 survey of South Dakota CRP contract holders are presented in this SDSU economics report and are summarized in this section. 2 This CRP survey was the main primary data source to complete the major research objectives of: (1) estimating the number of CRP acres that are likely to revert back to crop production, their location, and estimated crop mix on those acres; and 2) determining the main factors that influence post-CRP land use decisions.

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Radiative Forcing Over The Conterminous United States Due To Contemporary Land Cover Use Albedo Change, Christopher Barnes, David P. Roy May 2008

Radiative Forcing Over The Conterminous United States Due To Contemporary Land Cover Use Albedo Change, Christopher Barnes, David P. Roy

GSCE Faculty Publications

Recently available satellite land cover land use (LCLU) and albedo data are used to study the impact of LCLU change from 1973 to 2000 on surface albedo and radiative forcing for 36 ecoregions covering 43% of the conterminous United States (CONUS). Moderate Resolution Imaging Spectroradiometer (MODIS) snowfree broadband albedo values are derived from Landsat LCLU classification maps located using a stratified random sampling methodology to estimate ecoregion estimates of LCLU induced albedo change and surface radiative forcing. The results illustrate that radiative forcing due to LCLU change may be disguised when spatially and temporally explicit data sets are not used. …

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South Dakota Nutrition Network: Delivering Nutrition Education To Benefit Children And Adults In Low Income Settings, South Dakota Cooperative Extension Service Feb 2008

South Dakota Nutrition Network: Delivering Nutrition Education To Benefit Children And Adults In Low Income Settings, South Dakota Cooperative Extension Service

SDSU Extension Circulars

No abstract provided.

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What Limits Fire? An Examination Of Driver's Of Burnt Area In Southern Africa, Sally Archibald, David P. Roy, Brian W. Van Wilgen, Robert J. Scholes Jan 2008

What Limits Fire? An Examination Of Driver's Of Burnt Area In Southern Africa, Sally Archibald, David P. Roy, Brian W. Van Wilgen, Robert J. Scholes

GSCE Faculty Publications

The factors controlling the extent of fire in Africa south of the equator were investigated using moderate resolution (500 m) satellite-derived burned area maps and spatial data on the environmental factors thought to affect burnt area. A random forest regression tree procedure was used to determine the relative importance of each factor in explaining the burned area fraction and to address hypotheses concerned with human and climatic influences on the drivers of burnt area. The model explained 68% of the variance in burnt area. Tree cover, rainfall in the previous 2 years, and rainfall seasonality were the most important predictors. …

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Small Grains And Field Peas: 2008 Variety Recommendations (2007 Crop Performance Results), Cooperative Extension Service, South Dakota State University Dec 2007

Small Grains And Field Peas: 2008 Variety Recommendations (2007 Crop Performance Results), Cooperative Extension Service, South Dakota State University

SDSU Extension Circulars

Variety selection is a fundamental element in a sound crop production program. This report contains variety recommendations, descriptions, and yield data for the spring-seeded small grains – hard red spring wheat, oat, and barley, along with the fall-seeded small grain –hard red winter wheat. Key factors in variety selection include yield, yield stability, maturity, straw strength, height, test weight, quality, and disease resistance. Yield is an important factor; however, a variety with good disease resistance, straw strength, and high grain quality may be more profitable in some cases than the highest yielding variety. Disease resistance information is based on reactions …

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Strategic And Scenario Planning In Ranching: Managing Risk In Dynamic Times, Barry H. Dunn, Roger N. Gates, Jack Davis, Agustin Arzeno Oct 2007

Strategic And Scenario Planning In Ranching: Managing Risk In Dynamic Times, Barry H. Dunn, Roger N. Gates, Jack Davis, Agustin Arzeno

SDSU Extension Circulars

Content
Steps Toward Success
Stage 1: Charting the Course: Creating the Vision
Step 1: Assess current situation and inventory of ranch resources
Step 2: Conduct SWOT analysis
Step 3: Establish a vision for the ranch business
Stage 2: Determining Strategies to Achieve the Ranch’s Vision
Step 4: GAP analysis
Step 5: Alternative strategies to close the gap
Stage 3: Scenario Planning for the Ranch
Step 6: Describe multiple scenarios
Step 7: Select and evaluate the most-probable Scenarios
Stage 4: Merging Strategies and Scenario Planning
Step 8: Determine strategies with the highest likelihood of success
Stage 5: Putting the Plan Into …

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Common Waterhemp Growth And Fecundity As Influenced By Emergence Date And Competing Crop, E. Uscanga-Mortera, S. Clay, F. Forcella, J. Gunsolus Aug 2007

Common Waterhemp Growth And Fecundity As Influenced By Emergence Date And Competing Crop, E. Uscanga-Mortera, S. Clay, F. Forcella, J. Gunsolus

Agronomy, Horticulture and Plant Science Faculty Publications

Common waterhemp (Amarathus rudis Sauer) is a frequent weed in glyphosate-resistant (GR) crops in the midwestern USA due, in part, to the delayed emergence of its seedlings. Variable waterhemp emergence was simulated by transplanting seedlings into both corn (Zea mays L.) and soybean [Glycine max (L.) Merr.] and bare plot areas at differing crop growth stages during two growing seasons in western Minnesota. Growth and fecundity were measured. As expected, late planted weeds produced little dry matter and few seeds, and competition from corn or soybean reduced waterhemp dry weight and fecundity by 90% compared with isolated plants. Interestingly, common …

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South Dakota Agricultural Land Market Trends: 1991-2007, Larry Janssen, Burton Pflueger, Tyler Ahrendt Jun 2007

South Dakota Agricultural Land Market Trends: 1991-2007, Larry Janssen, Burton Pflueger, Tyler Ahrendt

Agricultural Experiment Station Circulars (1920-1915)

272 Agricultural land values and cash rental rates in South Dakota, by region and by state, are the primary topics of this report. Target audiences are farmers and ranchers, landowners, agricultural professionals (lenders, rural appraisers, professional farm managers), and policy makers interested in agricultural land market trends. This report contains the results of the 2007 SDSU South Dakota Farm Real Estate Market Survey, the 17th annual SDSU survey developed to estimate agricultural land values and cash rental rates by land use in different regions of South Dakota.

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South Dakota Rangeland And Pasture Grazing Records, South Dakota Cooperative Extension Service May 2007

South Dakota Rangeland And Pasture Grazing Records, South Dakota Cooperative Extension Service

SDSU Extension Circulars

The South Dakota Rangeland and Pasture Grazing Records book is designed to help ranchers and grassland managers keep accurate records of grazing use and range and pasture conditions. Monitoring and recording range and pasture condition response to grazing will allow you to evaluate the short-term and long-term effect of management on the forage resource and enable you to make management adjustments if conditions warrant.

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Small Grains And Field Peas: 2007 Variety Recommendations (2006 Crop Performance Results), Cooperative Extension Service, South Dakota State University Dec 2006

Small Grains And Field Peas: 2007 Variety Recommendations (2006 Crop Performance Results), Cooperative Extension Service, South Dakota State University

SDSU Extension Circulars

Variety selection is a fundamental element in a sound crop production program. This report contains variety recommendations, descriptions, and yield data for the spring-seeded small grains – hard red spring wheat, oat, and barley, along with the fall-seeded small grain –hard red winter wheat. Key factors in variety selection include yield, yield stability, maturity, straw strength, height, test weight, quality, and disease resistance. Yield is an important factor; however, a variety with good disease resistance, straw strength, and high grain quality may be more profitable in some cases than the highest yielding variety. Disease resistance information is based on reactions …

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Using The Balanced Scorecard For Ranch Planning And Management:Setting Strategy And Measuring Performance, Barry H. Dunn, Roger N. Gates, Jack Davis, Agustin Arzeno Sep 2006

Using The Balanced Scorecard For Ranch Planning And Management:Setting Strategy And Measuring Performance, Barry H. Dunn, Roger N. Gates, Jack Davis, Agustin Arzeno

SDSU Extension Circulars

The key to business success—whether operating a ranch or a Fortune 500 company—lies in management and planning. It’s the ability to have foresight, to carefully evaluate and choose appropriate new concepts and technologies, and to implement a well thought- out plan that complements all aspects of the business. The highly-respected former CEO and chairman of General Electric Jack Welch put it this way: Good business leaders create a vision, articulate the vision, passionately own the vision, and relentlessly drive it to completion. How does that description apply to you? Are you a visionary business leader for your ranch enterprise? Or …

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Potential Use Of The Conservation Security Program To Encourage Diverse Crop Rotations In Eastern South Dakota, Thomas Dobbs, Nicholas J. Streff Jul 2006

Potential Use Of The Conservation Security Program To Encourage Diverse Crop Rotations In Eastern South Dakota, Thomas Dobbs, Nicholas J. Streff

Economics Research Reports (1969 - 2017)

A central concern in many discussions of ecological sustainability in agricultural regions of the U.S. Midwest and Great Plains is that of crop system diversity. Many factors have contributed to the loss of crop system diversity over that last half-century (Dumke and Dobbs), one of which is public policy. The U.S. Farm Security and Rural Investment Act of 2002 ('2002 Farm Bill') provided for a new agri-environmental program that could have potential to help restore some of the crop system diversity that has been lost. The Conservation Security Program (CSP) is that program. This report, drawn from a Master of …

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2006 Little International Agricultural Exposition Catalog, Little International Agricultural Exposition South Dakota State University Mar 2006

2006 Little International Agricultural Exposition Catalog, Little International Agricultural Exposition South Dakota State University

Little International "Little I" Agricultural Exposition Catalogs

No abstract provided.

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Sorption-Desorption Of Imidacloprid And Its Metabolites In Soil And Vadose Zone Materials, Sharon V. Papiernik, William C. Koskinen, Lucia Cox, Pamela J. Rice, Sharon A. Clay, Nancy R. Werdin-Pfisterer, Kristen A. Norberg Jan 2006

Sorption-Desorption Of Imidacloprid And Its Metabolites In Soil And Vadose Zone Materials, Sharon V. Papiernik, William C. Koskinen, Lucia Cox, Pamela J. Rice, Sharon A. Clay, Nancy R. Werdin-Pfisterer, Kristen A. Norberg

Agronomy, Horticulture and Plant Science Faculty Publications

Sorption-desorption is one of the most important processes affecting the leaching of pesticides through soil because it controls the amount of pesticide available for transport. Subsurface soil properties can significantly affect pesticide transport and the potential for groundwater contamination. This research characterized the sorption-desorption of imidacloprid (1-[(6-chloro-3-pyridinyl)-methyl]-Nnitro-2-imidazolidinimine) and three of its metabolites, 1-[(6-chloro-3-pyridinyl)methyl]-2-imidazolidinone (imidacloprid-urea), 1-[(6-chloro-3-pyridinyl)methyl]-4,5-dihydro-1H-imidazol-2-amine (imidaclopridguanidine), and 1-[(6-chloro-3-pyridinyl)methyl]-1H-imidazol-2-amine (imidacloprid-guanidine-olefin), as a function of changing soil properties with depth in two profiles extending from the surface to a depth of 1.8 or 8 m. Sorption of each compound was highly variable and hysteretic in all cases. Normalizing the sorption coefficients (Kf) …

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Prairie Wetlands And Climate Change - Droughts And Ducks On The Prairies, Glenn R. Guntenspergen, W.Carter Johnson, David E. Naugle Jan 2006

Prairie Wetlands And Climate Change - Droughts And Ducks On The Prairies, Glenn R. Guntenspergen, W.Carter Johnson, David E. Naugle

Natural Resource Management Faculty Publications

The Prairie Pothole Region (PPR) contains 5-8 million small wetlands and is one of the most ecologically valuable freshwater resources of the Nation. These wetlands provide abundant ecosystem services, including groundwater recharge, water for agriculture, water purification, and recreation. The PPR is best known as the “duck factory” of North America. By some estimates, this region produces over 50% of the ducks in North America.

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Small Grains And Field Peas: 2006 Variety Recommendations (2005 Crop Performance Results), Cooperative Extension Service, South Dakota State University Dec 2005

Small Grains And Field Peas: 2006 Variety Recommendations (2005 Crop Performance Results), Cooperative Extension Service, South Dakota State University

SDSU Extension Circulars

Variety selection is a fundamental element in a sound crop production program. This report contains variety recommendations, descriptions, and yield data for the spring-seeded small grains – hard red spring wheat, oat, and barley, along with the fall-seeded small grain –hard red winter wheat. Key factors in variety selection include yield, yield stability, maturity, straw strength, height, test weight, quality, and disease resistance. Yield is an important factor; however, a variety with good disease resistance, straw strength, and high grain quality may be more profitable in some cases than the highest yielding variety. Disease resistance information is based on reactions …

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Fire-Induced Albedo Change And Its Radative Forcing At The Surface In Northern Austrailia, Y. Jin, David P. Roy Jul 2005

Fire-Induced Albedo Change And Its Radative Forcing At The Surface In Northern Austrailia, Y. Jin, David P. Roy

GSCE Faculty Publications

This paper investigates the impact of fire on surface albedo and the associated radiative forcing over 56% of continental Australia encompassing the fire-prone northern tropical savanna. Fire-affected areas and albedos are derived for the 2003 fire season using daily Moderate Resolution Imaging Spectroradiometer (MODIS) surface reflectance data. Near-infrared and total shortwave albedos are observed to generally decrease after fire occurrence. Regionally, the total shortwave albedo drops by an average of 0.024, with increasing reductions as the dry season progresses and larger reductions in grasslands than woody savannas. These fire-induced albedo changes exert a positive forcing at the surface that increases …

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South Dakota Agricultural Land Market Trends: 1991-2005, Larry Janssen, Erik Gerlach, Burton Plueger May 2005

South Dakota Agricultural Land Market Trends: 1991-2005, Larry Janssen, Erik Gerlach, Burton Plueger

Agricultural Experiment Station Circulars (1920-1915)

Agricultural land values and cash rental rates in South Dakota, by region and by state, are the primary topics of this report. Target audiences are farmers and ranchers, landowners, agricultural professionals (lenders, rural appraisers, professional farm managers), and policy makers interested in agricultural land market trends. This report contains the results of the 2005 SDSU South Dakota Farm Real Estate Market Survey, the 15th annual SDSU survey developed to estimate agricultural land values and cash rental rates by land use in different regions of South Dakota.

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2005 Little International Agricultural Exposition Catalog, Little International Agricultural Exposition South Dakota State University Mar 2005

2005 Little International Agricultural Exposition Catalog, Little International Agricultural Exposition South Dakota State University

Little International "Little I" Agricultural Exposition Catalogs

No abstract provided.

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How To Calculate Machinery Ownership And Operating Costs, Burton Pflueger Feb 2005

How To Calculate Machinery Ownership And Operating Costs, Burton Pflueger

SDSU Extension Circulars

Machinery ownership and operating costs represent a substantial portion of total production expenses for South Dakota producers. Production practices today require increasingly specialized machinery and equipment and producers have to give more attention to the economics of their machinery investment alternatives. Large amounts of capital are invested in owning and operating farm machinery. Producers need to take time to manage their machinery investment to insure that they are achieving the desired return and efficiency. Machinery costs make up a significant part of the fixed and variable costs of any farm operation. However, they are sometimes difficult to calculate, particularly for …

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Fertilizer Recommendations Guide, Jim Gerwig, Ron Gelderman Jan 2005

Fertilizer Recommendations Guide, Jim Gerwig, Ron Gelderman

SDSU Extension Circulars

South Dakota State University Soil Testing Lab fertilizer recommendations are based on field research in South Dakota and neighboring states. However, information from outside this region is used where only limited local data was available. The tables were developed as part of continuing cooperation between these states to standardize recommendations across the three-state area. The recommendations in the tables are generated by equations and, therefore, change consistently across yield goals and soil test levels. Due to space limitations, only the recommendations for selected yield goals and the soil test level at the center of each soil test range (very low, …

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Small Grains: 2005 Variety Recommendations (2004 Crop Performance Results), Cooperative Extension Service, South Dakota State University Dec 2004

Small Grains: 2005 Variety Recommendations (2004 Crop Performance Results), Cooperative Extension Service, South Dakota State University

SDSU Extension Circulars

Variety selection is a fundamental element in a sound crop production program. This report contains variety recommendations, descriptions, and yield data for the spring-seeded small grains – hard red spring wheat, oat, and barley, along with the fall-seeded small grain –hard red winter wheat. Key factors in variety selection include yield, yield stability, maturity, straw strength, height, test weight, quality, and disease resistance. Yield is an important factor; however, a variety with good disease resistance, straw strength, and high grain quality may be more profitable in some cases than the highest yielding variety. Disease resistance information is based on reactions …

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Comparison Of 'Organic' And 'Conventional' Grains And Soybean Prices In The Northern Great Plains And Upper Midwest: 1995 Through 2003, Nicholas Streff, Thomas L. Dobbs Jun 2004

Comparison Of 'Organic' And 'Conventional' Grains And Soybean Prices In The Northern Great Plains And Upper Midwest: 1995 Through 2003, Nicholas Streff, Thomas L. Dobbs

Economics Pamphlet Series (1985-2016)

Price premiums for organic crops drew the attention of an increasing number of farmers throughout the 1990s. Premiums contributed to the expansion of U.S. farmland managed under organic farming systems during that time period. Expansion of organic farming systems continued at least through 2001. According to the U.S. Department of Agriculture (USDA) Economic Research Service's most recent data on organic farming systems, U.S. farmers and ranchers added almost one million acres of certified organic farmland between 1997 and 2001, an increase of 74 percent. Over that same time frame, certified organic cropland increased by 53 percent). The USDA implemented national …

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A Field Guide To South Dakota Turtles, Sara J. Bandas, Kenneth F. Higgins May 2004

A Field Guide To South Dakota Turtles, Sara J. Bandas, Kenneth F. Higgins

SDSU Extension Circulars

Contents:
Introduction
Status of South Dakota turtles
Fossil record and evolution
General turtle information
Taxonomy of South Dakota turtles
Capturing techniques
Turtle handling
Turtle habitats
Western Painted Turtle (Chrysemys picta bellii)
Snapping Turtle (Chelydra serpentina)
Spiny Softshell Turtle (Apalone spinifera)
Smooth Softshell Turtle (Apalone mutica)
False Map Turtle (Graptemys pseudogeographica)
Western Ornate Box Turtle (Terrapene ornata ornata)
Blanding’s Turtle (Emydoidea blandingii)
Identification keys to South Dakota turtles
Acknowledgements
Literature cited and additional publications

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2004 Little International Agricultural Exposition Catalog, Little International Agricultural Exposition South Dakota State University Mar 2004

2004 Little International Agricultural Exposition Catalog, Little International Agricultural Exposition South Dakota State University

Little International "Little I" Agricultural Exposition Catalogs

No abstract provided.

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Dairies And Local Economic Development, Alvaro Garcia, Kenneth Kalscheur Jan 2004

Dairies And Local Economic Development, Alvaro Garcia, Kenneth Kalscheur

SDSU Extension Fact Sheets

This fact sheet is one in a series intended to answer — with science-based land-grant university research — questions frequently asked by the public about issues and needs affecting agricultural growth, urban expansion, and rural community development in South Dakota. During 2002, the year with latest available USDA figures, livestock production in South Dakota represented 50.7% of total agricultural cash receipts, followed by 42.4% for crops and 6.9% for government payments. Dairy products, at $178,176,000, were fifth of all agricultural cash receipts and were a highly significant portion of the state’s economy. In light of possible dairy expansion in the …

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Segregating Transgenic Grains: Results Of A Survey Among Country Elevators In South Dakota, Bashir Qasmi, Clayton J. Wilhelm, Evert Van Der Sluis Dec 2003

Segregating Transgenic Grains: Results Of A Survey Among Country Elevators In South Dakota, Bashir Qasmi, Clayton J. Wilhelm, Evert Van Der Sluis

Economics Research Reports (1969 - 2017)

In 2002, cash receipts from crop production in South Dakota totaled $1.76 billion, accounting for 38 % of all receipts of agricultural producers in the state (South Dakota Agricultural Statistics Service, 2003). The three most important crops grown in South Dakota are soybeans, corn, and wheat. In 2001, South Dakota ranked 8th in the production of corn and soybean and 9th in wheat production among the nation's crop producing states (South Dakota Agricultural Statistics Service, 2003). These three crops accounted for 86 % of all cash receipts from marketing crops in the state. Due to the state's reliance on grain …

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Central Crops And Soils Research Station Highmore, South Dakota: Annual Progress Report, 2003, Agricultural Dec 2003

Central Crops And Soils Research Station Highmore, South Dakota: Annual Progress Report, 2003, Agricultural

Agricultural Experiment Station and Research Farm Annual Reports

This report of the Central Crops and Soils Research Station at Highmore, South Dakota reflects the 2003 growing season. This document includes data on: temperatures and precipitation, field evaluation of woody plant materials, alfalfa production, winter wheat, oat research, spring wheat breeding, resistance of sunflower germplasm to the red sunflower seed weevil, flax variety test, weed control, fertilizer and soil test on soybeans, aphid infestations, small grain variety test, and corn breeding.

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Small Grains: 2004 Variety Recommendations (2003 Crop Performance Results), Cooperative Extension Service, South Dakota State University Dec 2003

Small Grains: 2004 Variety Recommendations (2003 Crop Performance Results), Cooperative Extension Service, South Dakota State University

SDSU Extension Circulars

Variety selection is a fundamental element in a sound crop production program. This report contains variety recommendations, descriptions, and yield data for the spring-seeded small grains – hard red spring wheat, oat, and barley, along with the fall-seeded small grain –hard red winter wheat. Key factors in variety selection include yield, yield stability, maturity, straw strength, height, test weight, quality, and disease resistance. Yield is an important factor; however, a variety with good disease resistance, straw strength, and high grain quality may be more profitable in some cases than the highest yielding variety. Disease resistance information is based on reactions …

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