2016
DOI: 10.1590/s0100-204x2016000800009
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Impactos do cultivo por longo tempo de arroz inundado em Gleissolos

Abstract: Resumo -O objetivo deste trabalho foi avaliar atributos do solo em resposta à diferentes usos da terra no Sul de Minas Gerais. Foram amostrados Gleissolos sob floresta nativa e cultivos de arroz (Oryza sativa) irrigado por inundação e de feijoeiro (Phaseolus vulgaris), bem como um Argissolo não inundável sob floresta nativa. O cultivo promoveu o aumento da densidade nos Gleissolos, até a profundidade de 0,4 m, o que resultou em menores diâmetros médios geométrico e ponderado de agregados, especialmente para o … Show more

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Cited by 11 publications
(4 citation statements)
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“…However, fruit and vegetable consumption in Brazil is relatively low (about 270g/day per capita), for which the main barriers to increase consumption are the preference, convenience, and economical aspects (Kasprzak et al, 2020). Rice is the base of the traditional Brazilian diet, but 75% of the production is based on flood cultivation (Marrenjo et al, 2016), which leads to higher environmental impact compared with other, less common, ways of production (Miranda et al, 2015). Diets are considered "sustainable healthy diets" when they display favorable characteristic on four dimensions (Food and Agriculture Organization of the United Nations, 2010): 1) nutritionaldiets must be healthy; 2) socio-culturaldiets should be culturally acceptable; 3) environmentaldiet should be protective and respectful of biodiversity and ecosystems; and 4) economicdiets must be affordable for everyone.…”
Section: Introductionmentioning
confidence: 99%
“…However, fruit and vegetable consumption in Brazil is relatively low (about 270g/day per capita), for which the main barriers to increase consumption are the preference, convenience, and economical aspects (Kasprzak et al, 2020). Rice is the base of the traditional Brazilian diet, but 75% of the production is based on flood cultivation (Marrenjo et al, 2016), which leads to higher environmental impact compared with other, less common, ways of production (Miranda et al, 2015). Diets are considered "sustainable healthy diets" when they display favorable characteristic on four dimensions (Food and Agriculture Organization of the United Nations, 2010): 1) nutritionaldiets must be healthy; 2) socio-culturaldiets should be culturally acceptable; 3) environmentaldiet should be protective and respectful of biodiversity and ecosystems; and 4) economicdiets must be affordable for everyone.…”
Section: Introductionmentioning
confidence: 99%
“…The results for 5 DAS varied widely, showing a tendency for an increase in the levels of elements and compounds in the drainage water, following a reduction at 3 DAS, mainly in RH. It is estimated that wind gusts reaching higher speeds at 5 DAS, associated with greater pulverization of soil, increased susceptibility to particle suspension, which took place five days after sowing (Gonzáles et al, 2013;Marrenjo et al, 2016).…”
Section: Resultsmentioning
confidence: 99%
“…Outro fator levantado foi o histórico de cultivo da área de estudo (Tabela 3): 7 das propriedades são cultivadas há mais de 40 anos, sendo que, por décadas, o cultivo predominante foi o arroz por inundação. Segundo Marrenjo et al, (2016), o cultivo de arroz inundado é tipicamente desenvolvido em planícies de inundação fluvial e, portanto, em solos marcados pela anaerobiose, como os Gleissolos, os Planossolos e os Neossolos Flúvicos, presentes nas propriedades da comunidade quilombola de Cupira, segundo Castro;Santos, (2019). Com isso, os riscos e o processo de salinização na comunidade foram ampliados.…”
Section: Resultados E Discussõesunclassified