Grain Sorghum and Soybean Cropping Sequence Affect Yield and Fertilizer N Requirement
K. W. Kelley
September 2005
Research
In the eastern Great Plains, grain sorghum and soybean are commonly grown in rotation, but the effects of cropping sequence on yield and fertilizer N management have not been thoroughly evaluated in this region. A 10-year field study was conducted in southeastern Kansas to evaluate the effects of various grain sorghum and soybean cropping sequences on grain yield of both crops, and to determine the influence of two fertilizer nitrogen rates on grain yield and N concentration of plant and grain for rotated and non-rotated grain sorghum.
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