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1. Foliar Applications of K on SoybeansUse of foliar K fertilization has been extensively researched starting in the 1970's with relatively variable and inconsistent soybean yield response. However recent developments which have increased the observed incidence of I glyphosate-resistant soybeans nlay make foliar I fertilization practice may improvc the flexibility of growers to respond to decreased K availability during the growing season because of changes in environmental and rnanagement conditions. This paper details the results of... |
2. Organic Farming in Nebraska: Establishing Organic Research for the Organic Farming CommunityFour sites in Nebraska were developed to have land available to conduct research on certified organic land. All sites will be certified organic by the end of 2008. The goal of the project is to conduct research relevant to the organic farmi ng community and not to compare organic systems with conventional systems. Resear ch is being conducted on the use of flaming to control weeds, winter wheat variety development and selection for the organic market, variety testing of organic winter wheat, proso... |
3. Does Nitrogen Management in Winter Wheat Affects Its Yield and Nitrate-N Leaching in a Wheat-Soybean Double Cropping System?Conventional corn (Zea mays L.)-soybean (Glycine max L.) rotation contributes to nitrate-N and phosphate leaching to waterbodies causing water quality concerns. Two strategies that could minimize N and P losses include (i) incorporating winter rye (Secale cereale L.) (WR) as a cover crop to capture residual nutrients or (ii) intensifying the corn-soybean rotation with winter wheat (WW) (Triticum aestivum L.) (Double cropping). Double cropping WW at a right N... A. Sadeghpour, O. Ola, O. Guzel, K.L. Gage, K. Williard, J. Schoonover, S. Mueller |
4. Short Term Effect of Double Cropping and Cover Cropping on Soil Physical PropertiesIntegrating cover crops into corn (Zea mays L.)-soybean (Glycine max L.) rotation has been promoted as a sustainable practice to reduce soil erosion, enhance soil health, and improve agricultural sustainability. However, growers are less inclined to include cover crops into their cash crop rotations especially winter cereals such as winter rye (Secale cereale L.) behind corn. One strategy to minimize the fallow period in corn-soybean rotation is by intensifying the corn-soybean... F. Sheikhi shahrivar, O. Ola, O. Guzel, K. Gage, K. Williard, J. Schoonover, S. Mueller, A. Sadeghpour |
5. The Effect of Nitrogen Management in Winter Wheat on Nitrous Oxide Emissions in a Wheat-Soybean Double Cropping SystemNitrogen fertilizer management plays a critical role in nitrous oxide (N₂O) emissions in agricultural production systems. This study investigated the impact of nitrogen application in a winter wheat (Triticum aestivum L.)-soybean (Glycine max L.) double cropping system on winter wheat biomass production, grain yield, and N₂O emissions. The experiment was conducted at the Agronomy Research Center (ARC), Carbondale in Southern Illinois University, IL using a Randomized Complete... O. Ola, O. Guzel, K. Gage, K. Williard, J. Schoonover, S. Mueller, A. Sadeghpour |