Agronomy Journal Journal of Natural Resources and Life Sciences Education
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Are Some Crops Synergistic to Following Crops?

Randy L. Anderson*

USDA-ARS, 2923 Medary Ave., Brookings, SD 57006



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Fig. 1. Grain yield–water use relationship for winter wheat grown in two rotations, wheat–corn–fallow (W-C-F: black triangles and solid line) and winter wheat–proso millet–fallow (W-M-F: white triangles and dashed line). Data are averaged across 3 yr; study conducted at Akron, CO (adapted from Anderson, 2002).

 


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Fig. 2. Different responses by corn and soybean to the rotation effect in Minnesota (based on concepts described in Copeland et al., 1993; Crookston, 1995; and Anderson, 2004a).

 





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