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1. Long-Term Effects of a Large Composted Cattle Manure Application Followed by Cover Crops to Organic Dryland Winter Wheat Cropping SystemsOrganic agriculture in semi-arid environments can face several challenges in order to produce a successful crop. These include nitrogen and phosphorus deficiencies, moisture limitations, and high weed competition. Organic winter wheat (Triticum aestivum, L.)-fallow systems can be amended with composted cattle manure and with green manure from cover crops grown in the fallow phase to help increase wheat yields and quality. Cattle manure can improve soil health with the... C. Helseth, U. Norton |
2. Cover Crops in Certified Organic, Specialty Crop Food ProductionThere is a growing interest in certified organic, specialty crop food production. With a larger population demanding organic products and organic products offering a higher premium for the producer, farmers are exploring the transition to organic farming. Organic producers in southeastern Wyoming face multiple challenges in environments with high elevation, low precipitation, and have a short growing season. These challenges include management of persistent weeds, maintaining biodiversity, and... E. Moore, U. Norton |
3. In-season Changes of Soil Mineral Nitrogen with Nitrogen Fertilizer and Nitrification Inhibitor in CornUnderstanding the role that soil mineral nitrogen (SMN) plays in the growth and productivity of corn is crucial. Nitrogen (N) demands vary during the growing season, and maintaining a sufficient amount of N in the form of ammonium (NH4+), or nitrate (NO3-) during the peak times of plant N uptake can help support high yields. The objective of this study was to assess changes and the supply of soil mineral nitrogen during the growing season in corn under field conditions in Kansas. This study was... P. Morinigo, D. Ruiz diaz |