by Wendell C. Johnson
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Research on stubble-mulch farming on win...
Wind in the southwestern Great Plains
Construction of a sensor for continuousl...
Stubble-mulch farming on wheatlands of t...
O stepeni ugnetenii͡a gibridov ozimoĭ ps...
Winter wheat in the golden belt of Kansa...
Growing winter wheat on poorly drained s...
Long-term effects of tillage, nitrogen, ...
Genotype-environment interaction and phe...
An economic evaluation of nitrogen ferti...