Blockchain is a technology that can be applied in different sectors to solve various problems. As a complex system, agribusiness presents many possibilities to take advantage of blockchain technology. The main goal of this paper is to identify the purposes for which blockchain has been applied in the agribusiness sector, for which a PRISMA-based systematic review was carried out. The scientific literature corpus was accessed and selected from Elsevier’s Scopus and ISI of Knowledge’s Web of Science (WoS) platforms, using the PRISMA protocol procedures. Seventy-one articles were selected for analysis. Blockchain application in agribusiness is a novel topic, with the first publication dating from 2016. The technological development prevails more than blockchain applications since it has been addressed mainly in the Computer Sciences and Engineering. Blockchain applications for agribusiness management of financial, energy, logistical, environmental, agricultural, livestock, and industrial purposes have been reported in the literature. The findings suggest that blockchain brings many benefits when used in agribusiness supply chains. We concluded that the research on blockchain applications in agribusiness is only at an early stage, as many prototypes are being developed and tested in the laboratory. In the near future, blockchain will be increasingly applied across all economic sectors, including agribusiness, promoting greater reliability and agility in information with a reduced cost. Several gaps for future studies were observed, with significant value for science, industry, and society.
O milho é o cereal mais produzido no mundo, possuindo relevante papel no agronegócio brasileiro, como na geração de renda e emprego em todas as regiões do país. Dessa forma, o artigo tem por objetivo analisar a evolução da área cultivada, produção, produtividade e a estabilidade produtiva do milho nas diferentes regiões do Brasil. Os dados de produção, produtividade e área foram obtidos junto aos dados históricos da Companhia Nacional de Abastecimento (CONAB). Os dados analisados compreendem os anos de 1977 a 2017, sendo divididos em três períodos: i) 1977 a 1990; ii) 1991 a 2004; e iii) 2005 a 2017. A estabilidade da produtividade foi estimada pelo coeficiente de variação (CV). Os resultados destacam as mudanças que ocorreram no período, como: i) a expansão de 49,08% da área destinada ao cultivo de milho; ii) o aumento da produção, a partir do aumento da área e da produtividade; iii) o aumento da produtividade ao longo dos três períodos, com destaque para os Estados do Sul, Centro-Oeste e Sudeste; e iv) a instabilidade da produtividade ao longo dos anos e nas diferentes regiões.
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