Yield of Soybean in Different Systems of Pasture Replacement With and Without Soil Scarification

Luanda Feba, Elcio Ricardo José de Sousa Vicente, Luis Gustavo Torquato Feba and Edemar Moro

Journal of Agricultural Science, 2018, vol. 10, issue 6, 163

Abstract: The objective of this work was to adjust the physical environment in sandy soils in no-tillage, to allow for the better development and yield of soybean, under water deficient conditions. The experiment was conducted at the Experimental Farm of The University of Western São Paulo in Presidente Bernardes, SP, 22º28'09'' S, 51º67'48'' W, 400 m asl. The experimental design constitued of two blocks each for the study variable- soil scarification, and no soil scarification. Each block was divided into 4 sub-blocks/treatments (control-natural seed bank of Urochloa brizantha-NSB; Urochloa brizantha broadcast seeding; Urochloa brizantha in line seeding; Urochloa brizantha in line seeding with soybean intercropped) with four replicates. As a plot, four systems of reimplantation of pasture with 4 kg ha-1 of Urochloa brizantha (Marandu cv.). Evaluated parameters- dry matter yield of pasture; yield components and soybean yield. The variables analyzed in each treatment were submitted to analysis of variance (p < 0.05) and as means were compared by the Tukey test (p < 0.05) using the Sisvar software. Considering the results obtained in the following research, it can be concluded that, according to the different pasture reimplatation systems, the treatment (in-line + soybean) contributed both to the increase of the dry matter of fodder, and to a yield of Soybean. Regarding the effect of soil scarification, none of the results were significantly influenced.

Date: 2018
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