PHOSPHATE (P2O5) RECOMMENDATIONS FOR SOYBEANS

Soil Yield Potential - bu per acre
Test 30 40 50 60 70
ppm (lb/acre) lb P2O5 per acre
5 (10)1 75 80 90 100 105
10 (20) 50 55 65 75 80
15-30(30-60)2 25 30 40 50 55
35 (70) 10 15 25 25 30
40 (80) 0 0 0 0 0

1 Values in parentheses are lb/acre.
2 Maintenance recommendations are given for this soil test range.

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Corn, Soybean, Wheat, and Alfalfa Field GuideBulletin 827