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1. Soybean Chlorosis Management ProgramChlorosis in soybeans is a problem wherever soybeans are grown on high pH soils. In Nebraska, most of the soybeans are grown in the southeastern half of the state. Here the upland soils are neutral to moderately acid; however, many of the river valley soils are alkaline. Thus, chlorosis is a problem in the Platte and Elkhorn River Valleys and to a lesser extent, in the Republican and Loup River Valleys. Not all soils in the river valleys are prone to chlorosis OF soybeans even though many are alkaline... |
2. Impact of Biofuel Crops on U.S. Agriculture: An OverviewBiofuel crops are having an impact on prices of commodities, land use, and environmental factors such as water quality, biod iversity, etc. There are critical linkages today that result in the phenomenon of oil and corn prices moving in lockstep. We also see that limited cropland leads to tradeoffs between different crops that aff ect not only food and feed production, current corn based biofuel production but also future cellulosic production. The current and potential impact of biofuels on the... |
3. 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... |
4. Potassium in Corn Starter Fertilizers RevisitedDespite the importance of potassium in crop nutriti on, there has been relatively little assessment of potassium in starter fertilizer s, and particularly where sufficie nt preplant broadcast K has been applied to meet the needs of the crop. Initial re sults from the first year of a multi-year study in Southern Ontario showed that corn yields were increased by about 0.4 t ha -1 by the inclusion of potassium in a starter fertilizer on low P and K testing soils, above the response to added P. Further... |