Patent ID: 8568506

Claim:
A system for in situ fertilizer-manufacturing fertigation of an agricultural field under the irrigation of an active agricultural irrigation system, wherein said in situ fertilizer-manufacturing fertigation includes charging a fertilizer-nutrient feedstock to said active agricultural irrigation system, said active agricultural irrigation system having flowing irrigation water upstream of said agricultural field, wherein said fertilizer-nutrient feedstock is comprised of a plurality of co-reactant fertilizer-nutrient-feedstock raw materials, wherein said plurality of co-reactant fertilizer-nutrient-feedstock raw materials generate an exotherm upon intermixing with each other and with said irrigation water, said system comprising: a plurality of fertilizer-nutrient raw-material feed points open to a stream of said flowing irrigation water, wherein said plurality of feed points are sufficiently proximate each other and wherein said stream of said flowing irrigation water has sufficient flow to intermix said plurality of co-reactant fertilizer-nutrient-feedstock raw materials with each other and with said stream of said flowing irrigation water, generating at least one dissolution exotherm and at least one reaction exotherm, and wherein said stream of said irrigation water has sufficient flow to dampen said dissolution and reaction exotherms; and means for separately and simultaneously feeding said plurality of co-reactant fertilizer-nutrient-feedstock raw materials to said stream of said flowing irrigation water whereby treated irrigation water is formed, wherein said irrigation system includes means for irrigating said agricultural field with said treated irrigation water.