RAINFALL RELATION AND YIELD OF SOYBEAN CROP IN THE MUNICIPALITY OF IBIRUBÁ-RS

Authors

  • Robson Rigão da Silva
  • Maria da Graça Barros Sartori Universidade Federal de Santa Maria
  • Cássio Arthur Wollmann Universidade Federal de Santa

DOI:

https://doi.org/10.11606/rdg.v27i0.510

Keywords:

Rainfall, Productivity, Soybean, Ibirubá - RS

Abstract

The present research concerns in evaluate the relationship between pluviometric precipitation and soybean productivity in the municipality of Ibirubá-RS, as a case study, in a period of 31 years (1982-2012). The results have been organized according to the methodological proposal of this work, in other words, based on precipitation criterion, which was subdivided into: precipitation below the usual, precipitation usual and precipitation above the usual. This way, the total of pluviometric precipitation influence the yields of soybeans, but it was verified that the hydric distribuition during the phenological cycle, in highlighted the moments with higher hydric requirement, vegetative phase of emergency and reproductive of grain filling have become essential for the final yields. Even with the introduction of new technologies in cultivars, such as soybeans indeterminate growth, variability of pluviometric precipitation is still influential in productivity.

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Author Biographies

  • Robson Rigão da Silva
    Licenciado em Geografia.Mestre em Geografia pela UFSM.
  • Maria da Graça Barros Sartori, Universidade Federal de Santa Maria
    Professora Titular Doutora - Universidade Federal de Santa Maria.Centro de Ciências Naturais e ExatasDepartamento de GeociênciasCurso de Geografia.
  • Cássio Arthur Wollmann, Universidade Federal de Santa
    Geógrafo, doutor em Geografia Física pela Universidade de São Paulo. Professor Doutor - Universidade Federal de Santa MariaCentro de Ciências Naturais e ExatasDepartamento de GeociênciasCurso de Geografia.

Published

2014-07-10

Issue

Section

Artigos

How to Cite

Silva, R. R. da, Sartori, M. da G. B., & Wollmann, C. A. (2014). RAINFALL RELATION AND YIELD OF SOYBEAN CROP IN THE MUNICIPALITY OF IBIRUBÁ-RS. Revista Do Departamento De Geografia, 27, 296-314. https://doi.org/10.11606/rdg.v27i0.510