fertilizer compositions containing micronutrients and their methods of preparation

摘要

the invention relates to a granular fertilizer with a primary nutrient and micronutrient, and associated methods of preparation.the micronutrient fertilizer is incorporated into the mixture by dissolving a compound of micronutrient in a load current to the formulation of a fertilizer material.a return flow of water for washing the waste gas, and / or a load current to the back titration of fertilizer material.