Biodegradable MAP polymers in maize nutrition and productivity

Among the nutrients phosphorus is one of the most limiting and supplied in the greatest quantities to agricultural crops especially in tropical soils which generally have low levels of available phosphorus and a predominance of acidity. The use of monoammonium phosphate (MAP) dissolved in organic polymers can theoretically provide less phosphorus fixation and thus greater availability of this nutrient in the soil in the long term which could favour plant absorption and increase the efficiency of phosphate fertilisation.