Patent ID: 8567121

Claim:
A method to facilitate a best management practice application of manure from a plurality of liquid or solid manure sources to a plurality of crops in at least one field according to an agronomic standard based on at least one targeted substance, for an agronomic period, comprising: providing data to a computer and software sufficient to estimate, directly or indirectly, content of at least one targeted substance, found in the manure, for each manure source and updating the data at least twice a year; providing uptake data to a computer and software sufficient to estimate, directly or indirectly, crop uptake of the at least one targeted substance for the plurality of crops in the at least one field and updating the uptake data at least once a year; providing periodic application data to the computer and software of amounts of manure applied from manure sources to the at least one field; and outputting from the computer, at least twice per month, indicia of a predicted limit of future application of manure from at least one manure source in regard to the at least one targeted substance for a remainder of the agronomic period according to the agronomic standard.