Posicionamento de milho e manejo fisiológico da soja em terras baixas

Abstract

The work was divided into two parts, the first part aimed to evaluate the performance of open-pollinated corn genotypes in different environments. As well as the response of these maize lineages at low temperatures. The second part of the work evaluated the influence of foliar supplementation on soybean, as well as yield and growth under different nutritional managements. The materials collected from the study were evaluated at the Didactic Laboratory of Seed Analysis (LDAS). In (Study 1) the experimental design used was randomized blocks, organized in a factorial scheme, 4 environments x 19 corn genotypes, arranged in 4 replications. In (Study 2) the experimental design used was randomized blocks, with 19 maize genotypes, in 8 replications, totaling 152 experimental units. The (Study 3) the experimental design used was randomized blocks with 4 replications per treatment. The seeds used were from the cultivar Garra IPRO. No (Study 4); The experimental design used was randomized blocks, in a 3x3 factorial scheme (crops x treatments), with 5 replications per treatment. Campos Borges environment stood out in the production of maize genotypes. The reduction in grain thickness is influenced by the number of grains per row, by the increase in length, mass and grain mass of the cob. The foliar supplementation in R1 is beneficial for the soybean crop. The study showed that the dosage of foliar supplementation influences the net assimilation rate, as well as the crop yield.