Yield Effects from Reduced Plant Populations, Uniform Stand and Weed-free Conditions.

Population Yield as % of normal
plants/acre Conventional Till No-Till
160,000 100 100
120,000 100 98
80,000 98 95
60,000 95 90
40,000 90 85
20,000 85 70
10,000 70 50


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Corn, Soybean, Wheat, and Alfalfa Field GuideBulletin 827