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Full-Text Articles in Life Sciences
Seed Yield And Biological Nitrogen Fixation For Historical Soybean Genotypes, S. Tamagno, I. A. Ciampitti
Seed Yield And Biological Nitrogen Fixation For Historical Soybean Genotypes, S. Tamagno, I. A. Ciampitti
Kansas Agricultural Experiment Station Research Reports
Seed yield formation and biological nitrogen (N) fixation (BNF) were evaluated during the seed filling period (SFP) for historical soybean genotypes under contrasting N strategies. Overall, seed yield increased with the year of release, primarily associated with increments in the seed number component. The study showed that seed weight factor was maintained across decades regardless of the improvement in seed number. Nitrogen factor, evaluated as zero-N application via inorganic fertilizers versus high-N added, influenced seed yield via impacting seed weight factor. The latter plant trait improved with the high-N treatment, which was related to changes in the duration of the …
Estimating Annual Forage Yields With Plant Available Water And Growing Season Precipitation, J. D. Holman, A. Obour, I. Kisekka, A. Schlegel, T. Roberts, S. Maxwell
Estimating Annual Forage Yields With Plant Available Water And Growing Season Precipitation, J. D. Holman, A. Obour, I. Kisekka, A. Schlegel, T. Roberts, S. Maxwell
Kansas Agricultural Experiment Station Research Reports
Forage production is important for western Kansas region’s livestock and dairy industries and has become increasingly important as irrigation-well capacity declines. Forages require less water than grain crops and may allow for increased cropping intensity and opportunistic cropping. Being able to estimate forage production is important for determining forage availability versus forage needs. Data from several studies were used to quantify annual forage yield response to plant available water (PAW) at planting and growing season precipitation (GSP). In addition, water use efficiency was quantified. Forages evaluated included winter triticale, spring triticale, and forage sorghum.