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¶ Table 1. Calculation Factors |
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Crop name | BYG | Yield Unit | P_adj | Mehlich-3 colorimetric | Olsen sodium bicarbonate | Bray-1 | Mehlich-3 ICP | ||||||||||||
PhosA | PhosB | P_crit | P_col | PhosA | PhosB | P_crit | P_col | PhosA | PhosB | P_crit | P_col | PhosA | PhosB | P_crit | P_col | ||||
Amaranth, grain | 500 | lb. | 0.015 | 47 | -0.063 | 20 | 32 | 44 | -0.134 | 10 | 14 | 47 | -0.071 | 20 | 28 | 50 | -0.058 | 26 | 35 |
Barley, feed grain | 100 | bu. | 0.36 | 100 | -0.051 | 20 | 45 | 95 | -0.108 | 10 | 21 | 100 | -0.057 | 20 | 40 | 105 | -0.047 | 26 | 50 |
Barley, malting | 60 | bu. | 0.36 | 115 | -0.051 | 20 | 45 | 110 | -0.108 | 10 | 21 | 115 | -0.057 | 20 | 40 | 121 | -0.047 | 26 | 50 |
Buckwheat | 25 | bu. | 0.38 | 45 | -0.067 | 20 | 24 | 42 | -0.143 | 10 | 11 | 45 | -0.076 | 20 | 21 | 48 | -0.062 | 26 | 27 |
Camelina | 1200 | lb. | 0.015 | 40 | -0.065 | 20 | 24 | 38 | -0.140 | 10 | 11 | 40 | -0.074 | 20 | 21 | 43 | -0.060 | 26 | 27 |
Canola, grain (bu.) | 50 | bu. | 0.9 | 77 | -0.043 | 20 | 43 | 74 | -0.092 | 10 | 20 | 77 | -0.049 | 20 | 38 | 80 | -0.040 | 26 | 48 |
Canola, grain (lbs.) | 2500 | lb. | 0.018 | 77 | -0.043 | 20 | 43 | 74 | -0.092 | 10 | 20 | 77 | -0.049 | 20 | 38 | 80 | -0.040 | 26 | 48 |
Corn, grain (bu.) | 200 | bu. | 0.3 | 151 | -0.040 | 20 | 51 | 145 | -0.085 | 10 | 23 | 151 | -0.045 | 20 | 45 | 157 | -0.037 | 26 | 56 |
Corn, grain (lbs.) | 11000 | lb. | 0.0054 | 151 | -0.040 | 20 | 51 | 145 | -0.085 | 10 | 23 | 150 | -0.045 | 20 | 45 | 157 | -0.037 | 26 | 56 |
Corn, seed prod. | 150 | bu. | 0.29 | 135 | -0.044 | 20 | 57 | 130 | -0.094 | 10 | 26 | 135 | -0.050 | 20 | 50 | 141 | -0.041 | 26 | 62 |
Cotton, lint (bales) | 1 | bales | 17.5 | 95 | -0.062 | 20 | 40 | 90 | -0.132 | 10 | 18 | 95 | -0.070 | 20 | 35 | 101 | -0.057 | 26 | 44 |
Cotton, lint (lbs.) | 500 | lb. | 0.035 | 95 | -0.062 | 20 | 40 | 90 | -0.132 | 10 | 18 | 95 | -0.070 | 20 | 35 | 101 | -0.057 | 26 | 44 |
Cowpeas | 1500 | lb. | 0.0065 | 56 | -0.040 | 20 | 34 | 54 | -0.085 | 10 | 15 | 56 | -0.045 | 20 | 30 | 58 | -0.037 | 26 | 38 |
Dry edible beans | 2500 | lb. | 0.0132 | 62 | -0.040 | 20 | 32 | 60 | -0.085 | 10 | 14 | 62 | -0.045 | 20 | 28 | 64 | -0.037 | 26 | 35 |
Durum wheat | 3 | tons | 13.2 | 100 | -0.051 | 20 | 51 | 95 | -0.108 | 10 | 23 | 100 | -0.057 | 20 | 45 | 105 | -0.047 | 26 | 56 |
Durum wheat, North Plains | 50 | bu. | 0.45 | 110 | -0.051 | 20 | 57 | 105 | -0.108 | 10 | 26 | 110 | -0.057 | 20 | 50 | 116 | -0.047 | 26 | 62 |
Flax, seeds | 40 | bu. | 0.5 | 45 | -0.040 | 20 | 34 | 43 | -0.850 | 10 | 15 | 45 | -0.045 | 20 | 30 | 47 | -0.037 | 26 | 38 |
Forage peas | 20 | cwt. | 0.67 | 56 | -0.040 | 20 | 34 | 54 | -0.085 | 10 | 15 | 56 | -0.045 | 20 | 30 | 58 | -0.037 | 26 | 38 |
Grain sorghum (bu.) | 120 | bu. | 0.32 | 110 | -0.034 | 20 | 51 | 107 | -0.072 | 10 | 23 | 110 | -0.038 | 20 | 45 | 114 | -0.031 | 26 | 56 |
Grain sorghum (lbs.) | 7000 | lb. | 0.0054 | 110 | -0.034 | 20 | 51 | 107 | -0.072 | 10 | 23 | 110 | -0.038 | 20 | 45 | 114 | -0.031 | 26 | 56 |
Guar | 1000 | lb. | 0.0125 | 65 | -0.025 | 20 | 40 | 64 | -0.053 | 10 | 18 | 65 | -0.028 | 20 | 35 | 67 | -0.023 | 26 | 44 |
Hemp, fiber | 4 | tons | 3.5 | 86 | -0.050 | 20 | 32 | 82 | -0.108 | 10 | 14 | 86 | -0.057 | 20 | 28 | 90 | -0.046 | 26 | 35 |
Hemp, seed | 1000 | lb. | 0.038 | 86 | -0.050 | 20 | 32 | 82 | -0.108 | 10 | 14 | 86 | -0.057 | 20 | 28 | 90 | -0.046 | 26 | 35 |
Hops | 8 | bales | 5 | 100 | -0.019 | 20 | 57 | 98 | -0.040 | 10 | 26 | 100 | -0.021 | 20 | 50 | 102 | -0.017 | 26 | 62 |
Lentils | 25 | cwt | 0.0022 | 62 | -0.040 | 20 | 32 | 60 | -0.085 | 10 | 14 | 62 | -0.045 | 20 | 28 | 64 | -0.037 | 26 | 35 |
Lupins, seeds | 1500 | lb. | 0.0022 | 62 | -0.040 | 20 | 32 | 60 | -0.085 | 10 | 14 | 62 | -0.045 | 20 | 28 | 64 | -0.037 | 26 | 35 |
Millet, grain (bu.) | 40 | bu. | 0.3 | 52 | -0.030 | 20 | 32 | 51 | -0.064 | 10 | 14 | 52 | -0.034 | 20 | 28 | 54 | -0.028 | 26 | 35 |
Millet, grain (lbs.) | 2000 | lb. | 0.0072 | 52 | -0.030 | 20 | 32 | 51 | -0.064 | 10 | 14 | 52 | -0.034 | 20 | 28 | 54 | -0.028 | 26 | 35 |
Mungbeans | 2000 | lb. | 0.0132 | 62 | -0.040 | 20 | 32 | 61 | -0.085 | 10 | 14 | 63 | -0.045 | 20 | 28 | 65 | -0.037 | 26 | 35 |
Oats, grain | 80 | bu. | 0.35 | 87 | -0.051 | 20 | 32 | 83 | -0.108 | 10 | 14 | 87 | -0.057 | 20 | 28 | 91 | -0.047 | 26 | 35 |
Peanuts | 40 | cwt. | 0.24 | 46 | -0.030 | 20 | 40 | 45 | -0.064 | 10 | 18 | 46 | -0.034 | 20 | 35 | 47 | -0.028 | 26 | 44 |
Peas, dry | 2000 | lb. | 0.0132 | 62 | -0.040 | 20 | 32 | 61 | -0.085 | 10 | 14 | 63 | -0.045 | 20 | 28 | 65 | -0.037 | 26 | 35 |
Popcorn | 5500 | lb. | 0.005 | 119 | -0.048 | 20 | 40 | 114 | -0.103 | 10 | 18 | 119 | -0.055 | 20 | 35 | 125 | -0.044 | 26 | 44 |
Potatoes | 400 | cwt | 0.25 | 428 | -0.028 | 20 | 64 | 414 | -0.060 | 10 | 30 | 425 | -0.032 | 20 | 57 | 437 | -0.026 | 26 | 71 |
Quinoa | 500 | lb. | 0.011 | 47 | -0.063 | 20 | 24 | 44 | -0.134 | 10 | 11 | 47 | -0.071 | 20 | 21 | 50 | -0.058 | 26 | 27 |
Rice, semi-dwarf, (bu.) | 150 | bu. | 0.3 | 90 | -0.031 | 20 | 34 | 87 | -0.066 | 10 | 15 | 90 | -0.035 | 20 | 30 | 93 | -0.029 | 26 | 38 |
Rice, semi-dwarf, (cwt.) | 65 | cwt. | 0.67 | 90 | -0.031 | 20 | 34 | 87 | -0.066 | 10 | 15 | 90 | -0.035 | 20 | 30 | 93 | -0.029 | 26 | 38 |
Rice, semi-dwarf, (lb.) | 6500 | lb. | 0.0067 | 90 | -0.031 | 20 | 34 | 87 | -0.066 | 10 | 15 | 90 | -0.035 | 20 | 30 | 93 | -0.029 | 26 | 38 |
Rye, grain | 50 | bu. | 0.32 | 87 | -0.050 | 20 | 32 | 83 | -0.108 | 10 | 14 | 87 | -0.057 | 20 | 28 | 91 | -0.046 | 26 | 35 |
Safflower | 1000 | bu. | 0.025 | 46 | -0.030 | 20 | 28 | 45 | -0.064 | 10 | 13 | 46 | -0.034 | 20 | 25 | 47 | -0.028 | 26 | 32 |
Sesame | 500 | lb. | 0.0014 | 68 | -0.043 | 20 | 32 | 65 | -0.092 | 10 | 14 | 68 | -0.049 | 20 | 28 | 71 | -0.040 | 26 | 35 |
Sorghum, seed prod. | 100 | bu. | 0.32 | 95 | -0.030 | 20 | 45 | 92 | -0.064 | 10 | 21 | 95 | -0.034 | 20 | 40 | 98 | -0.028 | 26 | 50 |
Soybeans | 60 | bu. | 0.75 | 96 | -0.045 | 20 | 48 | 92 | -0.096 | 10 | 22 | 96 | -0.051 | 20 | 42 | 100 | -0.042 | 26 | 53 |
Spring wheat, North Plains | 50 | bu. | 0.45 | 110 | -0.051 | 20 | 57 | 105 | -0.108 | 10 | 26 | 110 | -0.057 | 20 | 50 | 116 | -0.047 | 26 | 62 |
Spring wheat, South Plains | 50 | bu. | 0.45 | 100 | -0.051 | 20 | 45 | 95 | -0.108 | 10 | 21 | 100 | -0.057 | 20 | 40 | 105 | -0.047 | 26 | 50 |
Sugarbeets | 20 | tons | 1.5 | 100 | -0.028 | 20 | 40 | 97 | -0.060 | 10 | 18 | 100 | -0.032 | 20 | 35 | 103 | -0.026 | 26 | 44 |
Sugarcane, planting | 35 | tons | 0.9 | 59 | -0.022 | 20 | 45 | 58 | -0.047 | 10 | 21 | 59 | -0.025 | 20 | 40 | 60 | -0.020 | 26 | 50 |
Sugarcane, ratoon | 30 | tons | 0.90 | 79 | -0.035 | 20 | 51 | 76 | -0.075 | 10 | 23 | 79 | -0.040 | 20 | 45 | 82 | -0.033 | 26 | 56 |
Sunflower, seed prod. | 1200 | lb. | 0.0075 | 65 | -0.035 | 20 | 34 | 63 | -0.075 | 10 | 15 | 65 | -0.040 | 20 | 30 | 67 | -0.033 | 26 | 38 |
Sunflowers | 1800 | lb. | 0.0012 | 96 | -0.042 | 20 | 41 | 92 | -0.091 | 10 | 19 | 96 | -0.048 | 20 | 36 | 100 | -0.039 | 26 | 45 |
Triticale, grain | 50 | bu. | 0.33 | 87 | -0.051 | 20 | 32 | 83 | -0.108 | 10 | 14 | 87 | -0.057 | 20 | 28 | 91 | -0.047 | 26 | 35 |
Tobacco | 3000 | lb | 0.0043 | 260 | -0.020 | 20 | 57 | 255 | -0.043 | 10 | 26 | 260 | -0.023 | 20 | 50 | 265 | -0.019 | 26 | 62 |
Winter wheat/ fallow | 50 | bu. | 0.46 | 85 | -0.075 | 20 | 40 | 79 | -0.160 | 10 | 18 | 85 | -0.085 | 20 | 35 | 91 | -0.069 | 26 | 44 |
Winter wheat, grain | 50 | bu. | 0.46 | 95 | -0.042 | 20 | 51 | 91 | -0.091 | 10 | 23 | 95 | -0.048 | 20 | 45 | 99 | -0.039 | 26 | 56 |
Winter wheat, North Plains | 50 | bu. | 0.46 | 105 | -0.042 | 20 | 57 | 100 | -0.091 | 10 | 26 | 105 | -0.048 | 20 | 50 | 110 | -0.039 | 26 | 62 |