Métodos de distribuição de fósforo e sua influência na nutrição e produtividade da soja

Abstract

The present work aimed to evaluate the phosphorus distribution and its relationship with the nutritive substrate, exportation and production in soybean crop. When making a phosphate fertilizer in different distribution forms, check which solution was the best between the methods and which option is the grain yield. The experiment was conducted in bands and presented four replications. The treatments were in the sowing furrow, and the single super phosphate source (SSP) haul, the standard farm treatment (PF) was 100% haul and used was monoammonium phosphate (MAP) and control without fertilizer. The nutrient accumulation classification was performed at R6 when the plant reached the maximum accumulation of dry material. To evaluate the best distribution, nutrient consumption, exportation and grain yield were verified. To verify the best P distribution status, to obtain the experimental conditions, read the difference in the nutritional status of the materials in the P distribution profiles in the furrow, without sowing furrow, given the nutrient content and grain yield. medium. Production. With phosphate fertilization, there was an increase in total dry matter and grain yield, where the best yield occurred in the sowing furrow followed by PF, which becomes attractive for agricultural production conditions, reducing machinery costs and speeding up the implementation of the crop. system. harvest, benefiting the entire production process.