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1. Tillage and Nitrogen Management for Irrigated Sugarbeet Production in Eastern MontanaSugar beet (Beta vulgaris L.) is an important cash crop in the Lower Yellowstone River region. Nitrogen management is very critical while farmers are transitioning sugar beet production from conventional tillage to no-till system. The objectives of this study were to: (i) evaluate the effects of fertilizer-N rate and application timing on sugar beet root yield, sugar content, and quality under conventional and no-till managements, (ii) determine N uptake and N use efficiency (NUE)... A. Sutradhar, W. Franck, R. Garza, C. Chen |
2. Adjusting N Rate is the First Step in N Management IntensificationNitrogen (N) management and sowing date are among the leading causes for winter wheat (Triticum aestivum L.) yield gap in Kansas. This research aimed to compare the two most common cropping sequences in Kansas (continuous wheat [Ct-Wt] and double-cropping of winter wheat and soybean (Glycine max (L.) Merrill) [Wt-Sy]) under two N management (standard and progressive) on wheat production. Standard N management consisted of one single broadcast N application as UAN at 80 lbs ac-1 at... L. Simao, R. Lollato, D. Ruiz diaz |
3. Effect of Rate and Timing of Nitrogen Applications on Forage Sorghum Biomass YieldForage Sorghum (Sorghum-Sudan grass) is a forage crop harvested in the form of silage or dry-hay and is intended to distribute to livestock as feed. The research objective for this study is to observe how nitrogen timing plays a role in crop total biomass yield. Observations and data were collected during the 2021 growing season, with a total of two harvests allowed due to weather conditions in the area. This trial was conducted at two locations: Lake Carl Blackwell near Stillwater, Oklahoma and... B. Arnall, S. Sawatzky, S. Akin, M. Thomas, R. Singh, W.R. Raun |
4. Effect of Nitrogen Rate and Timing on Forage Sorghum Biomass Yield and QualityForage Sorghum is a summer annual sorghum-sudan hybrid that is a high yielding and high-quality source of feed for livestock. Forage sorghum can produce multiple biomass harvests in a single growing season, and is harvested in a silage or dry hay form. Because of the high yield of forage sorghum, this crop is a valuable choice for producers in Oklahoma and surrounding regions with heavily dominated livestock production. For such a high yielding crop nitrogen fertilizer application is extremely... S. Sawatzky, S. Phillips |