2020
DOI: 10.1017/s0021859620000416
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Methane consumption potential of soybean-wheat, maize-wheat and maize-gram cropping systems under conventional and no-tillage agriculture in a tropical vertisol

Abstract: Methane (CH4) consumption in agricultural soil is imperative for the mitigation of climate change. However, the effect of tillage and cropping systems on CH4 consumption is less studied. Experiments were carried out in Madhya Pradesh, India with soybean-wheat (SW), maize-wheat (MW) and maize-gram (MG) cropping systems under conventional tillage (CT) and no-tillage (NT). Soybean/maize was cultivated during the kharif season (July–October) and wheat/chickpea in the rabi season (October–March) for 9 years consecu… Show more

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Cited by 6 publications
(2 citation statements)
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References 41 publications
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“…This shift in land use practices is expected to bring about changes in soil properties, including enhanced water infiltration, reduced erosion, decreased compaction, increased surface soil organic matter and carbon content, and improved soil aggregate structure [40,41,42,34]. Among various tillage practices, no tillage demonstrates a promising impact on enhancing soil health [43,44], resulting in a significant increase in soil carbon content compared to tilled soils [45].…”
Section: Crop Residues 1%mentioning
confidence: 99%
“…This shift in land use practices is expected to bring about changes in soil properties, including enhanced water infiltration, reduced erosion, decreased compaction, increased surface soil organic matter and carbon content, and improved soil aggregate structure [40,41,42,34]. Among various tillage practices, no tillage demonstrates a promising impact on enhancing soil health [43,44], resulting in a significant increase in soil carbon content compared to tilled soils [45].…”
Section: Crop Residues 1%mentioning
confidence: 99%
“…No caso do metano, a presença de bactérias metanotróficas tipo II propiciam a oxidação de CH4 mesmo que este gás estando presente em baixas concentrações em solo aerado (CONRAD, 1996). Contudo, solos cultivados perdem grande parte de sua capacidade de oxidar CH4 devido a redução da porosidade, o que dificulta a difusão do gás até os microrganismos (KOLLAH et al, 2020) As áreas de Cerrado concentram grande parte da produção agrícola do Brasil, sendo o plantio direto prática comum na região. Contudo, muitas vezes o sistema de manejo adotado se aproxima muito mais de um cultivo mínimo, tendo em vista a pouca ou nenhuma manutenção da palhada em cobertura e a ausência da adoção da rotação de culturas.…”
Section: Conclusãounclassified