2004
DOI: 10.1590/s0100-06832004000100020
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Cobertura do solo e estoque de nutrientes de duas leguminosas perenes, considerando espaçamentos e densidades de plantio

Abstract: RESUMOO estabelecimento de leguminosas herbáceas perenes nos sistemas de produção constitui ainda um desafio, principalmente por apresentarem crescimento inicial lento. Para viabilizar sua implantação, este trabalho objetivou determinar as taxas de cobertura do solo, produção de matéria seca, teores e acumulação de N, P e K das leguminosas herbáceas perenes galáxia (Galactia striata) e cudzu tropical (Pueraria phaseoloides), considerando espaçamentos e densidades de plantio. O experimento, instalado em dezembr… Show more

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Cited by 4 publications
(5 citation statements)
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“…On this basis, the pessimistic scenario for small farmers of the Amazon region previously described by Alves (2008) could be transformed if farmers integrated polyculture and organic fertilization as well as supplementation with chemical fertilizers in the quantities allowed by Brazilian legislation (Ministério da Agricultura, Pecuária e Abastecimento, 2011). An organic polyculture system would ensure sustainable agriculture and high productivity per unit area, together with environmental preservation by promoting soil quality, temperature and humidity, and preventing the harmful consequences resulting from the excess use of chemical fertilizers, herbicides and pesticides (Perin, 2002;Perin et al, 2004b;Pyper, Verstraete;Merckx, 2005;Espindola et al, 2006;Sakonnakhon et al, 2006).…”
Section: Resultsmentioning
confidence: 99%
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“…On this basis, the pessimistic scenario for small farmers of the Amazon region previously described by Alves (2008) could be transformed if farmers integrated polyculture and organic fertilization as well as supplementation with chemical fertilizers in the quantities allowed by Brazilian legislation (Ministério da Agricultura, Pecuária e Abastecimento, 2011). An organic polyculture system would ensure sustainable agriculture and high productivity per unit area, together with environmental preservation by promoting soil quality, temperature and humidity, and preventing the harmful consequences resulting from the excess use of chemical fertilizers, herbicides and pesticides (Perin, 2002;Perin et al, 2004b;Pyper, Verstraete;Merckx, 2005;Espindola et al, 2006;Sakonnakhon et al, 2006).…”
Section: Resultsmentioning
confidence: 99%
“…The increase in passion fruit yield provided by tropical kudzu cover was probably influenced by the capacity of this legume to produce green biomass and to increase the nutrient content in the soil through nitrogen fixation (Espindola et al, 2006). In this context, Perin et al (2004b) reported that soil covered with tropical kudzu accumulated 6600 kg ha -1 of dry matter, 192 kg ha -1 of N, 13 kg ha -1 of P and 75 kg ha -1 of K within 12 months. Furthermore, the yield of banana trees cultivated in soil covered with tropical kudzu was much greater than in trees grown in a soil covered with spontaneous plants (Perin et al, 2009).…”
Section: Resultsmentioning
confidence: 99%
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“…Diversas práticas de manejo favorecem essa condição, destacando-se, por exemplo, a manutenção de cobertura sobre a superfície do terreno, o que proporciona menor variação de temperatura e maior retenção da água no perfil do solo. No caso de cobertura vegetal, há, ainda, a ciclagem de nutrientes e a utilização dessa como adubo verde, além de contribuir para a redução do impacto das gotas de chuva sobre o solo, minimizando, dessa forma, os efeitos do processo erosivo (PERIN et al, 2004).…”
Section: Introductionunclassified