Patent ID: 8430943
Filing Date: 2013-04-30
Classification: C05B,C05C

Abstract:
1. A fertilizer material adapted for fertilizing a crop and comprising: a first fertilizer product including an ammoniacal fertilizer selected from the group consisting of urea and UAN fertilizers, and a partial calcium salt of a first copolymer comprising maleic and itaconic monomers, said partial calcium salt of said first copolymer applied to or mixed with said ammoniacal fertilizer as an aqueous liquid product and having a pH of from about 1-3.5; and a second fertilizer product including a phosphorous fertilizer selected from the group consisting of monoammoniaum phosphate, diammonium phosphate, and ammonium polyphosphate, and a partial sodium salt of a second copolymer comprising maleic and itaconic monomers, said partial sodium salt of said second copolymer applied to or mixed with said phosphorous fertilizer as an aqueous liquid product and having a pH of from about 5-10, said first and second fertilizer products being present in synergistically effective amounts, such that the coordinated amounts of said first and second fertilizer products give crop yields greater than a mere additive effect obtainable through the use of the respective first and second fertilizer products alone in the same amounts.