Uso de biofertilizante associado a bactérias fixadoras de nitrogênio na cultura da soja

Abstract

Due to the large population increase, we seek ways to increase productivity per area. In this contest, create a way to cultivate the areas more effectively and logically sustainable way, with the use of biofertilizers, is of paramount importance in this process. Therefore, the use of biofertilizer with the addition of nitrogen-fixing bacteria aims to offer the maximum amount of viable cells to colonize the rhizosphere of the plant, which allows rapid nodulation after germination of seeds and also higher productivity. The objective of this work was to evaluate the symbiotic efficiency between the inoculant (Rhizobium) and a liquid biofertilizer through the application directed in the planting groove in the soybean crop. The present work was carried out in the municipality of Renascença - PR, on Red Latosol with a very clayey texture. The following components were evaluated: Number of vegetables per plant, Percentage of vegetables with one, two, three or four grains, Thousand grains weight and productivity the symbiotic efficiency of the inoculant (Rhizobium) and a liquid biofertilizers by applying directed at planting on soybean. The experimental design was randomized blocks, with four treatments and four replications. The treatments were: (Treatment 1) control; (Treatment 2) Inoculation in seed; (Treatment 3) Inoculation directed in the groove via water; (Treatment 4) Inoculation directed in the groove via biofertilizers Microgeo [marca registrada]. The use of biofertilizers and inoculant in different forms in soybean did not achieve significant results in both yield components, as productivity.