The availability of nutrients now in the soil is somewhat dependent on the pH, a measurement of acidity or alkalinity. Monoammonium phosphate is industrially prepared because of the exothermic response of phosphoric acid and ammonia in the correct proportions:[12] Rock phosphate serves as an organic supply of phosphorus and trace https://map-powder37891.pointblog.net/details-fiction-and-map-fertilizer-for-phosphorus-deficient-crops-75409171