Soil mechanical scarification increases the dry matter yield of cover crops under no-tillage

ABSTRACT Soil mechanical scarification (MS) and cover crop growing (CC) are strategies to minimize compaction in the soil surface layer under the no-tillage system (NTS). The objective of this study was to evaluate the effects of soil mechanic scarification on the yield and nutrient accumulation in...

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Autores principales:	Nascimento,Vagner do, Arf,Orivaldo, Alves,Marlene Cristina, Souza,Epitácio José de, Silva,Paulo Ricardo Teodoro da, Hiroshi Kaneko,Flávio, Traete Sabundjian,Michelle, Teixeira Filho,Marcelo Carvalho Minhoto, Shintate Galindo,Fernando
Lenguaje:	English
Publicado:	Universidad de Tarapacá. Facultad de Ciencias Agronómicas 2019
Materias:	Soil compaction Green manure Persistence of crop residues Nutrient accumulation Soil conservation management
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-34292019000400029
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spelling	oai:scielo:S0718-342920190004000292020-03-20Soil mechanical scarification increases the dry matter yield of cover crops under no-tillageNascimento,Vagner doArf,OrivaldoAlves,Marlene CristinaSouza,Epitácio José deSilva,Paulo Ricardo Teodoro daHiroshi Kaneko,FlávioTraete Sabundjian,MichelleTeixeira Filho,Marcelo Carvalho MinhotoShintate Galindo,Fernando Soil compaction Green manure Persistence of crop residues Nutrient accumulation Soil conservation management ABSTRACT Soil mechanical scarification (MS) and cover crop growing (CC) are strategies to minimize compaction in the soil surface layer under the no-tillage system (NTS). The objective of this study was to evaluate the effects of soil mechanic scarification on the yield and nutrient accumulation in the shoot dry matter of cover crops, as well as the persistence of crop residues in NTS, implemented 12 years ago in the Cerrado conditions with low altitude. The study was carried out in Selvíria, Mato Grosso do Sul state, Brazil, in the 2012 and 2013 harvest, in a clay soil classified as Oxisol Red epi-eutrophic alic. The experimental design was a randomized block arranged in a 5 X 2 factorial scheme, with four replicates. The treatments were constituted by the combination of four cover crops (Cajanus cajan, Crotalaria juncea, Urochloa ruziziensis and Pennisetum glaucum) and fallow with spontaneous vegetation, with or without MS. Soil MS increases the shoot dry matter yield of P. glaucum, U. ruziziensis and C. cajan in the first crop. The P. glaucum species, independently of soil scarification, provide higher yield and accumulation of macronutrients in the shoot dry matter, besides provide higher persistence of crop residues. The U. ruziziensis and C. cajan, independently of soil scarification, have the potential for accumulation of N, P, K and Ca in the shoot dry matter, although with less persistence of residues on the soil surface.info:eu-repo/semantics/openAccessUniversidad de Tarapacá. Facultad de Ciencias AgronómicasIdesia (Arica) v.37 n.4 20192019-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-34292019000400029en10.4067/S0718-34292019000400029
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Soil compaction Green manure Persistence of crop residues Nutrient accumulation Soil conservation management
spellingShingle	Soil compaction Green manure Persistence of crop residues Nutrient accumulation Soil conservation management Nascimento,Vagner do Arf,Orivaldo Alves,Marlene Cristina Souza,Epitácio José de Silva,Paulo Ricardo Teodoro da Hiroshi Kaneko,Flávio Traete Sabundjian,Michelle Teixeira Filho,Marcelo Carvalho Minhoto Shintate Galindo,Fernando Soil mechanical scarification increases the dry matter yield of cover crops under no-tillage
description	ABSTRACT Soil mechanical scarification (MS) and cover crop growing (CC) are strategies to minimize compaction in the soil surface layer under the no-tillage system (NTS). The objective of this study was to evaluate the effects of soil mechanic scarification on the yield and nutrient accumulation in the shoot dry matter of cover crops, as well as the persistence of crop residues in NTS, implemented 12 years ago in the Cerrado conditions with low altitude. The study was carried out in Selvíria, Mato Grosso do Sul state, Brazil, in the 2012 and 2013 harvest, in a clay soil classified as Oxisol Red epi-eutrophic alic. The experimental design was a randomized block arranged in a 5 X 2 factorial scheme, with four replicates. The treatments were constituted by the combination of four cover crops (Cajanus cajan, Crotalaria juncea, Urochloa ruziziensis and Pennisetum glaucum) and fallow with spontaneous vegetation, with or without MS. Soil MS increases the shoot dry matter yield of P. glaucum, U. ruziziensis and C. cajan in the first crop. The P. glaucum species, independently of soil scarification, provide higher yield and accumulation of macronutrients in the shoot dry matter, besides provide higher persistence of crop residues. The U. ruziziensis and C. cajan, independently of soil scarification, have the potential for accumulation of N, P, K and Ca in the shoot dry matter, although with less persistence of residues on the soil surface.
author	Nascimento,Vagner do Arf,Orivaldo Alves,Marlene Cristina Souza,Epitácio José de Silva,Paulo Ricardo Teodoro da Hiroshi Kaneko,Flávio Traete Sabundjian,Michelle Teixeira Filho,Marcelo Carvalho Minhoto Shintate Galindo,Fernando
author_facet	Nascimento,Vagner do Arf,Orivaldo Alves,Marlene Cristina Souza,Epitácio José de Silva,Paulo Ricardo Teodoro da Hiroshi Kaneko,Flávio Traete Sabundjian,Michelle Teixeira Filho,Marcelo Carvalho Minhoto Shintate Galindo,Fernando
author_sort	Nascimento,Vagner do
title	Soil mechanical scarification increases the dry matter yield of cover crops under no-tillage
title_short	Soil mechanical scarification increases the dry matter yield of cover crops under no-tillage
title_full	Soil mechanical scarification increases the dry matter yield of cover crops under no-tillage
title_fullStr	Soil mechanical scarification increases the dry matter yield of cover crops under no-tillage
title_full_unstemmed	Soil mechanical scarification increases the dry matter yield of cover crops under no-tillage
title_sort	soil mechanical scarification increases the dry matter yield of cover crops under no-tillage
publisher	Universidad de Tarapacá. Facultad de Ciencias Agronómicas
publishDate	2019
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-34292019000400029
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Soil mechanical scarification increases the dry matter yield of cover crops under no-tillage

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