Optimum Seeding Rates

Optimum Seeding Rates Optimum Plant Stand
Dryland 600,000 to 900,000 seeds/ac
Irrigation 900,000 to 1,350,000seeds/ac

Seeding Rate with Actual Seed Drop

Stand with 80% Germination & Emergence
Seeds/Foot of Row Plants/Foot of Row
Row Width (in) Row Width (in)
7.5 10 12 7.5 10 12
600,000 8.6 11.5 13.8 480,000 6.9 9.2 11.0
700,000 10.0 13.4 16.1 560,000 8.0 10.7 12.9
800,000 11.5 15.3 18.4 640,000 9.2 12.2 14.7
900,000 12.9 17.2 20.7 720,000 10.3 13.8 16.5
1,000,000 14.3 19.1 23.0 800,000 11.5 15.3 18.4
1,100,000 15.8 21.0 25.3 880,000 12.6 16.8 20.2
1,200,000 17.2 23.0 27.5 960,000 13.8 18.4 22.0
1,300,000 18.7 24.9 29.8 1,040,000 14.9 19.9 23.9
1,400,000 20.1 26.8 32.1 1,120,000 16.1 21.4 25.7

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