Soil Test Level (expressed as P) and Realistic Yield Goal (Ton/acre) Method Bray P1 Mehlich 50 65 80 95 110 125 Colorometric III-ICP PPM PPM lbs P2O5/acre recommended 15 28 80 90 100 110 120 130 20 34 55 65 75 85 95 105 25-40 40-58 30 40 50 60 70 80 45 64 15 20 25 30 35 40 50 79 0 0 0 0 0 0 Table 17. Fertilizer (P2O5) Recommendations for Alfalfa (adapted from Fertilizer Recommendations for Corn, Soybeans, Wheat and Alfalfa) Soil Test Level (expressed as P) and Realistic Yield Goal (bu/acre) Method Bray P1 Mehlich 5 6 7 8 9 10 Colorometric III-ICP PPM PPM lbs P2O5/acre recommended 15 28 115 130 140 155 165 180 20 34 90 105 115 130 140 155 25-40 40-58 65 80 90 105 115 130 45 64 35 40 45 50 60 65 50 79 0 0 0 0 0 0
Soil Test Level (expressed as P) and Method Realistic Yield Goal (Ton/acre) Bray P1 Colorometric Mehlich III-ICP 50 65 80 95 110 125 PPM PPM lbs P2O5/acre recommended 15 28 80 90 100 110 120 130 20 34 55 65 75 85 95 105 25-40 40-58 30 40 50 60 70 80 45 64 15 20 25 30 35 40 50 79 0 0 0 0 0 0 Table 17. Fertilizer (P2O5) Recommendations for Alfalfa (adapted from Fertilizer Recommendations for Corn, Soybeans, Wheat and Alfalfa) Soil Test Level (expressed as P) and Method Realistic Yield Goal (bu/acre) Bray P1 Colorometric Mehlich III-ICP 5 6 7 8 9 10 PPM PPM lbs P2O5/acre recommended 15 28 115 130 140 155 165 180 20 34 90 105 115 130 140 155 25-40 40-58 65 80 90 105 115 130 45 64 35 40 45 50 60 65 50 79 0 0 0 0 0 0