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Registro Completo |
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Biblioteca(s): |
Embrapa Agrossilvipastoril. |
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Data corrente: |
13/02/2019 |
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Data da última atualização: |
13/02/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CAVALLI, E.; LANGE, A.; CAVALLI, C.; BEHLING, M. |
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Afiliação: |
EDILSON CAVALLI, IAC, CAMPINAS, SP; ANDERSON LANGE, UFMT, SINOP; CASSIANO CAVALLI, IAC; MAUREL BEHLING, CPAMT. |
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Título: |
Decomposition and release of nutrients from crop residues on soybean-maize cropping systems. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Revista Brasileira de Ciências Agrárias, v. 13, n. 2, e5527, 2018. |
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ISSN: |
1981-0997 |
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Idioma: |
Inglês |
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Conteúdo: |
Nutrients found in residues from agricultural cultures are important reserves for subsequent crops. The objective was to assess the decomposition and release of nutrients from different crop residues for subsequent soybean cultivation. The study was conducted in Mid-Northern Mato Grosso State, Brazil. The residual straw of cropping systems - maize, brachiaria and maize/brachiaria consortium - were sampled, weighted, disposed in litter bags and then distributed on the soil. The adopted experimental design followed the completely randomized arrangement with three repetitions. Treatments were determined based on harvest time, which was performed every 14 days within 140 days for maize, and within 154 days for brachiaria and for the consortium. The remaining dry matter and nutrients content, and half-time life were evaluated. Maize showed the highest straw dry matter yield (14,176 kg ha-1), and the consortium recorded the biggest nutrient accumulation per hectare (K=172.2; N= 141.7 and Ca=56.0 kg ha-1). Brachiaria straw presented the fastest decomposition rate (85%) and the highest nutrient release (K=99%; N=92%; Mg=98% and Ca=90% of total initial content). The total K released reached 150 kg ha-1, which can fit the needs of soybean crops. |
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Palavras-Chave: |
Ciclagem de nutriente; Mato Grosso; Sistema integrado; Sorriso. |
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Thesagro: |
Decomposição; Manejo; Milho; Nutriente; Resíduo Orgânico; Soja. |
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Thesaurus Nal: |
Crop management; Integrated agricultural systems; Integrated crop management. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/192687/1/2018-cpamt-maurel-behling-decomposition-release-nutrients-residues-soybean-maize.pdf
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Marc: |
LEADER 02173naa a2200325 a 4500
001 2105908
005 2019-02-13
008 2018 bl uuuu u00u1 u #d
022 $a1981-0997
100 1 $aCAVALLI, E.
245 $aDecomposition and release of nutrients from crop residues on soybean-maize cropping systems.$h[electronic resource]
260 $c2018
520 $aNutrients found in residues from agricultural cultures are important reserves for subsequent crops. The objective was to assess the decomposition and release of nutrients from different crop residues for subsequent soybean cultivation. The study was conducted in Mid-Northern Mato Grosso State, Brazil. The residual straw of cropping systems - maize, brachiaria and maize/brachiaria consortium - were sampled, weighted, disposed in litter bags and then distributed on the soil. The adopted experimental design followed the completely randomized arrangement with three repetitions. Treatments were determined based on harvest time, which was performed every 14 days within 140 days for maize, and within 154 days for brachiaria and for the consortium. The remaining dry matter and nutrients content, and half-time life were evaluated. Maize showed the highest straw dry matter yield (14,176 kg ha-1), and the consortium recorded the biggest nutrient accumulation per hectare (K=172.2; N= 141.7 and Ca=56.0 kg ha-1). Brachiaria straw presented the fastest decomposition rate (85%) and the highest nutrient release (K=99%; N=92%; Mg=98% and Ca=90% of total initial content). The total K released reached 150 kg ha-1, which can fit the needs of soybean crops.
650 $aCrop management
650 $aIntegrated agricultural systems
650 $aIntegrated crop management
650 $aDecomposição
650 $aManejo
650 $aMilho
650 $aNutriente
650 $aResíduo Orgânico
650 $aSoja
653 $aCiclagem de nutriente
653 $aMato Grosso
653 $aSistema integrado
653 $aSorriso
700 1 $aLANGE, A.
700 1 $aCAVALLI, C.
700 1 $aBEHLING, M.
773 $tRevista Brasileira de Ciências Agrárias$gv. 13, n. 2, e5527, 2018.
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