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Full-Text Articles in Life Sciences
Crop Production Summary, Southeast Kansas – 2017, G. F. Sassenrath, L. Mengarelli, J. Lingenfelser, X. Lin, D. E. Shoup
Crop Production Summary, Southeast Kansas – 2017, G. F. Sassenrath, L. Mengarelli, J. Lingenfelser, X. Lin, D. E. Shoup
Kansas Agricultural Experiment Station Research Reports
Crop production is dependent on many factors, most notably, environmental conditions during the growing season. Here, we summarize the environmental conditions during the 2017 growing season in comparison to previous years and the historical averages. Information on crop yields is taken from reported values and yields from variety trials in southeast and east central Kansas.
Tillage Study For Corn And Soybeans: Comparing Vertical, Deep, And No-Tillage, E. A. Adee
Tillage Study For Corn And Soybeans: Comparing Vertical, Deep, And No-Tillage, E. A. Adee
Kansas Agricultural Experiment Station Research Reports
Trends from a tillage study conducted since 2011 are beginning to show that corn yields are greater when there is an occasional deep tillage. The yield of soybeans have not been affected significantly by tillage systems ranging from no-till to conventional tillage every year.
Effects Of Supplementation With Corn Or Dried Distillers Grains On Gains Of Heifer Calves Grazing Smooth Bromegrass Pastures, L. W. Lomas, J. L. Moyer
Effects Of Supplementation With Corn Or Dried Distillers Grains On Gains Of Heifer Calves Grazing Smooth Bromegrass Pastures, L. W. Lomas, J. L. Moyer
Kansas Agricultural Experiment Station Research Reports
Distillers grains, a by-product of the ethanol industry, have tremendous potential as an economical and nutritious supplement for grazing cattle. Distillers grains contain a high concentration of protein (25 to 30%), with more than two-thirds escaping degradation in the rumen, which makes it an excellent supplement for younger cattle. Recent advancements in the ethanol manufacturing process have resulted in extraction of a greater amount of fat; therefore, creating distillers grains that may contain less energy than corn. This research was conducted to compare performance of stocker cattle supplemented with corn or DDG at 0.5% body weight per head daily while …
Effect Of Fungicides On Southern Rust Of Corn, E. A. Adee, S. Duncan
Effect Of Fungicides On Southern Rust Of Corn, E. A. Adee, S. Duncan
Kansas Agricultural Experiment Station Research Reports
The decision to apply fungicides to corn is not an easy decision in Kansas, especially when grain prices are low. Numerous factors determine what diseases are present, and whether the plants will be defoliated enough to reduce yield. Correctly identifying the disease, knowing what environmental conditions favor the development of an epidemic, and knowing the hybrid’s resistance to the diseases can be known before making the decision. However, knowing if the conditions will be favorable for the spread of the disease up the plant is very unpredictable. A situation like a ‘perfect storm’ for foliar diseases defoliating corn occurred in …
Tillage And Nitrogen Placement Effects On Yields In A Short-Season Corn/Wheat/Double-Crop Soybean Rotation, D. W. Sweeney, Dorivar Ruiz Diaz
Tillage And Nitrogen Placement Effects On Yields In A Short-Season Corn/Wheat/Double-Crop Soybean Rotation, D. W. Sweeney, Dorivar Ruiz Diaz
Kansas Agricultural Experiment Station Research Reports
Many crop rotation systems are used in southeastern Kansas. This experiment was designed to determine the long-term effect of selected tillage and N fertilizer placement options on yields of short-season corn, wheat, and double-crop soybean in a rotation.
Timing Of Side-Dress Applications Of Nitrogen For Corn In Conventional And No-Till Systems, D. W. Sweeney, D. E. Shoup, Dorivar Ruiz Diaz
Timing Of Side-Dress Applications Of Nitrogen For Corn In Conventional And No-Till Systems, D. W. Sweeney, D. E. Shoup, Dorivar Ruiz Diaz
Kansas Agricultural Experiment Station Research Reports
Environmental conditions vary widely in the spring in southeastern Kansas. As a result, much of the N applied prior to corn planting may be lost before the time of maximum plant N uptake. Side-dress or split applications to provide N during rapid growth periods may improve N use efficiency while reducing potential losses to the environment. The objective of this study was to determine the effect of timing of side-dress N fertilization compared with pre-plant N applications for corn grown on a claypan soil.
Effect Of Late Nitrogen Applications On Grain Filling In Corn, J. A. Fernandez, I. A. Ciampitti
Effect Of Late Nitrogen Applications On Grain Filling In Corn, J. A. Fernandez, I. A. Ciampitti
Kansas Agricultural Experiment Station Research Reports
In order to evaluate the effect of nitrogen (N) with late-season fertilizer applications in corn, grain yield and grain filling parameters were evaluated for three genotypes under three N levels. Hybrids with different release years (3394, 1990s; P1151, 2000s; and P1197, 2016) and contrasting N application scenarios (zero-N, N at flowering, and N two weeks after flowering) were evaluated in two studies (dryland and irrigated) at the Ashland Bottoms Research Farm, Manhattan, KS, 2017 season. Results showed that under N stress conditions, the absence of N fertilization in corn significantly reduced yields, by affecting both grain number (GN) and grain …