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Crop Yield And Yield Stability As Affected By Long-Term Tillage And Nitrogen Fertilizer Rates In Dryland Wheat And Sorghum Production Systems, M. Majrashi, A. K. Obour, C. J. Moorberg
Crop Yield And Yield Stability As Affected By Long-Term Tillage And Nitrogen Fertilizer Rates In Dryland Wheat And Sorghum Production Systems, M. Majrashi, A. K. Obour, C. J. Moorberg
Kansas Agricultural Experiment Station Research Reports
A major challenge for agronomists is developing cropping systems that exhibit superior performance across variable environmental conditions, especially precipitation. Long-term field research trials provide a direct measure of the effect of environmental conditions within the context of treatment effects. Here we investigated the impact of tillage practices and nitrogen (N) rates on yields for dryland wheat and sorghum as influenced by weather and precipitation. The study focused on a long-term (40 years) tillage and N fertilizer experiment established in 1975 and managed as a split-split-plot arrangement of rotation (winter wheat-grain sorghum-fallow) with three tillage systems (conventional tillage (CT), reduced tillage …
Long-Term Tillage And Nitrogen Fertilizer Rates Effect On Grain Yield And Nitrogen Uptake In Dryland Wheat And Sorghum Production, M. Majrashi, A. K. Obour, C. J. Moorberg
Long-Term Tillage And Nitrogen Fertilizer Rates Effect On Grain Yield And Nitrogen Uptake In Dryland Wheat And Sorghum Production, M. Majrashi, A. K. Obour, C. J. Moorberg
Kansas Agricultural Experiment Station Research Reports
Winter wheat and grain sorghum rotation is a common cropping system in dryland environments in western Kansas. A long-term field experiment (started in 1975) was conducted in Hays, KS, to examine interaction effects of tillage and nitrogen (N) fertilizer rates on wheat and grain sorghum yields, protein content, N uptake, and N use efficiency (NUE). The experimental design was a split-split-plot arrangement of rotation, tillage, and N application treatments in a randomized complete block design. The main plots were the crop phase (winter wheat, grain sorghum, or fallow), sub-plots were three tillage systems (conventional tillage (CT), reduced tillage (RT), and …
Tillage Intensity In A Long-Term Wheat-Sorghum-Fallow Rotation, A. Schlegel, A. Burnett
Tillage Intensity In A Long-Term Wheat-Sorghum-Fallow Rotation, A. Schlegel, A. Burnett
Kansas Agricultural Experiment Station Research Reports
This study was initiated in 1991 at the Kansas State University Southwest Research-Extension Center near Tribune, KS. The purpose of the study was to identify the effects of tillage intensity on precipitation capture, soil water storage, and grain yield in a wheat-sorghum-fallow rotation. Grain yields of wheat and grain sorghum increased with decreased tillage intensity in a wheat-sorghum-fallow (WSF) rotation. In 2018, available soil water at sorghum planting was greater for no-tillage (NT) than reduced tillage (RT) which was greater than conventional tillage (CT). For wheat there was a similar pattern as sorghum, with available soil water at wheat planting …