SPATIAL DISTRIBUTION, EVOLUTION AND STRUCTURE OF MAIZE AND SOYBEAN PRODUCTION SYSTEMS IN STATE OF PARANÁ

Revista Brasileira de Milho e Sorgo Pub Date : 2020-11-16 DOI:10.18512/rbms2020v19e1122

Bruno Volsi, G. H. L. D. Castro, G. V. Costa, Matheus Felipe De Padua Severino, T. S. Telles

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引用次数: 1

Abstract

The Brazilian state of Paraná is one of the leading producers of maize. However, expansion of soybean cropping has caused a drop in maize production and could have impacted production systems. The aim of the study was to verify the evolution and identify the structure, spatial dynamics and transformation of maize and soybean production systems in the state of Paraná. Municipal Agricultural Production data from the Brazilian Institute of Geography and Statistics (IBGE) provided the basis for this study. The Location Quotient was analyzed to identify microregions specialized in the production of soybean and first and second crops of maize. Principal components and groups were analyzed in order to characterize the structure and dynamics of maize and soybean production systems in specialized microregions. The results show how maize and soybean production systems have been transformed; soybean is now cropped in areas previously occupied by first crop maize, and the area occupied by second crop maize has increased. This has led to the predominant use of the crop rotation system with first crop soybean followed by second crop maize.

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paranÁ州玉米、大豆生产系统的空间分布、演化与结构

巴西巴拉那州是主要的玉米生产国之一。然而，大豆种植的扩大导致玉米产量下降，并可能影响生产系统。本研究的目的是验证巴拉那州玉米和大豆生产系统的进化，并确定其结构、空间动力学和转化。巴西地理与统计研究所的城市农业生产数据为这项研究提供了基础。对区位商进行分析，以确定专门生产大豆和第一茬和第二茬玉米的微观区域。分析了主要成分和类群，以表征玉米和大豆生产系统在特定微区的结构和动态。结果显示了玉米和大豆生产系统是如何转变的；大豆现在种植在以前第一茬玉米种植的地区，第二茬玉米种植面积增加了。这导致了轮作制度的主要使用，第一茬大豆，第二茬玉米。

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Revista Brasileira de Milho e Sorgo

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40 weeks