Armazenagem sob condições de aeração convencional e resfriamento artificial : influência sobre a qualidade de grãos

Abstract

The objective of this work was to evaluate qualitative and quantitative losses during the soybeans storage period. Were used stored soybeans from producers of Sorriso – MT city. Was evaluate the losses in two treatments: aeration with natural air and refrigeration. Each 20 days, during three months of storage, was done the soybeans classification of samples collected in the center and extremity from silos, and determined, the water content, mass of one thousand grains, bulk density, color, electrical conductivity of grains exudes and germination. It was observed, during this storage period, that generally, the water content reduced, electrical conductivity of grains exudes increased, decrease in the percentage of germinated grains and changes in its color, in both silos evaluated, indicating quantitative losses and a worsening in quality in the two silos. However, when the grains in both silos are compared, was observed that in those stored under refrigeration presented, generally, less severe losses. Besides that, the product evaluated in the silo with aeration with natural air presented qualitative worsening faster.