Fertilizer investigational allowances.

7-15-01-01. Fertilizer investigational allowances. A fertilizer must be deemed deficient if the analysis of any nutrient is below the guarantee by an amount exceeding the values in the following schedule, or if the overall index value of the fertilizer is below 98 percent. Available Phosphate Nitrogen (N) (P O ) Sol. Potash (K O) 2 5 2 Guarantee, Percent Investigational Allowance, Percent 04 or less 0.49 0.67 0.41 05 0.51 0.67 0.43 06 0.52 0.67 0.47 07 0.54 0.68 0.53 08 0.55 0.68 0.60 09 0.57 0.68 0.65 10 0.58 0.69 0.70 12 0.61 0.69 0.79 14 0.63 0.70 0.87 16 0.67 0.70 0.94 18 0.70 0.71 1.01 20 0.73 0.72 1.08 22 0.75 0.72 1.15 24 0.78 0.73 1.21 26 0.81 0.73 1.27 28 0.83 0.74 1.33 30 0.86 0.75 1.39 32 0.88 0.76 1.44 34 0.88 0.79 1.46 36 0.88 0.83 1.49 1 38 0.88 0.86 1.51 40 0.88 0.90 1.54 42 0.88 0.93 1.56 44 0.88 0.96 1.58 46 0.88 1.00 1.61 48 0.88 1.03 1.63 50 0.88 1.07 1.66 52 0.88 1.10 1.68 54 0.88 1.10 1.70 56 0.88 1.10 1.73 58 0.88 1.10 1.75 60 0.88 1.10 1.78 62 0.88 1.10 1.80 The investigational allowance for triple superphosphate, also know as calcium dihydrogen phosphate or monocalcium phosphate, is 1.53 percent. For these investigational allowances to be applicable, the recommended AOAC International procedures for obtaining, preparing, and analyzing samples must be used. History: Effective October 1, 2014. General Authority: NDCC 4.1-40-11 Law Implemented: NDCC 4.1-40