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Registro Completo |
Biblioteca(s): |
Embrapa Milho e Sorgo. |
Data corrente: |
06/12/2017 |
Data da última atualização: |
06/12/2017 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
PASSOS, A. M. A. dos; AKER, A. M.; COSTA, R. S. C. da; SANTOS, F. C. dos; LEITE, V. P. D.; MARCOLAN, A. L. |
Afiliação: |
ALEXANDRE MARTINS ABDAO DOS PASSOS, CNPMS; Andreia Marcilene Aker; ROGERIO SEBASTIAO CORREA DA COSTA, CPAF-Rondonia; FLAVIA CRISTINA DOS SANTOS, CNPMS; Viviane Pacheco Dantas Leite; ALAERTO LUIZ MARCOLAN, CPAF-Rondonia. |
Título: |
Effect of cover crops on physico-chemical attributes of soil in a short-term experiment in the southwestern Amazon region. |
Ano de publicação: |
2017 |
Fonte/Imprenta: |
African Journal of Agricultural Research, v. 12, n. 47, p. 3339-3347, Nov. 2017. |
DOI: |
10.5897/AJAR2017.12800 |
Idioma: |
Inglês |
Conteúdo: |
No-tillage is an agricultural system that is proposed as a sustainable soil management system. This paper aims to evaluate the short-term effects of cover crops on a no-tillage system, by assessing a number of physical and chemical attributes of soil of the Brazilian Amazon region. The experiment was carried out in a typical Ferralsol under a no-tillage system from March to December, 2014. A randomized block design, with four replicates was used. The performance and effects of fourteen cover crops (Cajanus cajan, Canavalia ensiformis, Crotalaria juncea, Crotalaria ochroleuca, Crotalaria spectabilis, Stizolobium aterrima, Stizolobium cinereum, Pennisetum glaucum, Sorghum bicolor, Sorghum sudanense, Urochloa brizanha cv. Xaraés, Urochloa brizantha cv. Piatã and Urochloa ruziziensis and Zea mays) and fallow (control treatment) on the soil quality were assessed. The cover crops were sown in the off season in April 2014, before the summer crop (maize). The levels of P, K, Ca2+, Mg2+, Al3+, H+Al, saturation by aluminum, sum of bases, organic matter, pH and resistance to soil penetration were evaluated following the end of the cover crops growth. Some near-surface soil attributes were affected by the cover crops. Urochloa species improved the levels of potassium in the soil at depths up to 5 cm below the surface. The highest penetration resistance was observed in the superficial layer between 12 and 16 cm deep, with penetration resistance values varying between 2472 and 2912 kPa. The Urochloa exhibited satisfactory agronomic performance when grown under a simulated crop livestock integration system. It is concluded that the use of cover crops in a no-till system has the potential to improve the chemical quality of soil in the Southwestern Amazon region. MenosNo-tillage is an agricultural system that is proposed as a sustainable soil management system. This paper aims to evaluate the short-term effects of cover crops on a no-tillage system, by assessing a number of physical and chemical attributes of soil of the Brazilian Amazon region. The experiment was carried out in a typical Ferralsol under a no-tillage system from March to December, 2014. A randomized block design, with four replicates was used. The performance and effects of fourteen cover crops (Cajanus cajan, Canavalia ensiformis, Crotalaria juncea, Crotalaria ochroleuca, Crotalaria spectabilis, Stizolobium aterrima, Stizolobium cinereum, Pennisetum glaucum, Sorghum bicolor, Sorghum sudanense, Urochloa brizanha cv. Xaraés, Urochloa brizantha cv. Piatã and Urochloa ruziziensis and Zea mays) and fallow (control treatment) on the soil quality were assessed. The cover crops were sown in the off season in April 2014, before the summer crop (maize). The levels of P, K, Ca2+, Mg2+, Al3+, H+Al, saturation by aluminum, sum of bases, organic matter, pH and resistance to soil penetration were evaluated following the end of the cover crops growth. Some near-surface soil attributes were affected by the cover crops. Urochloa species improved the levels of potassium in the soil at depths up to 5 cm below the surface. The highest penetration resistance was observed in the superficial layer between 12 and 16 cm deep, with penetration resistance values varying between 2472 and 2912 kPa. T... Mostrar Tudo |
Palavras-Chave: |
Sustentabilidade. |
Thesagro: |
Esterco; Física do solo; Planta de cobertura; Plantio direto; Química do solo. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/168334/1/Effect-cover.pdf
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Marc: |
LEADER 02628naa a2200265 a 4500 001 2081670 005 2017-12-06 008 2017 bl uuuu u00u1 u #d 024 7 $a10.5897/AJAR2017.12800$2DOI 100 1 $aPASSOS, A. M. A. dos 245 $aEffect of cover crops on physico-chemical attributes of soil in a short-term experiment in the southwestern Amazon region.$h[electronic resource] 260 $c2017 520 $aNo-tillage is an agricultural system that is proposed as a sustainable soil management system. This paper aims to evaluate the short-term effects of cover crops on a no-tillage system, by assessing a number of physical and chemical attributes of soil of the Brazilian Amazon region. The experiment was carried out in a typical Ferralsol under a no-tillage system from March to December, 2014. A randomized block design, with four replicates was used. The performance and effects of fourteen cover crops (Cajanus cajan, Canavalia ensiformis, Crotalaria juncea, Crotalaria ochroleuca, Crotalaria spectabilis, Stizolobium aterrima, Stizolobium cinereum, Pennisetum glaucum, Sorghum bicolor, Sorghum sudanense, Urochloa brizanha cv. Xaraés, Urochloa brizantha cv. Piatã and Urochloa ruziziensis and Zea mays) and fallow (control treatment) on the soil quality were assessed. The cover crops were sown in the off season in April 2014, before the summer crop (maize). The levels of P, K, Ca2+, Mg2+, Al3+, H+Al, saturation by aluminum, sum of bases, organic matter, pH and resistance to soil penetration were evaluated following the end of the cover crops growth. Some near-surface soil attributes were affected by the cover crops. Urochloa species improved the levels of potassium in the soil at depths up to 5 cm below the surface. The highest penetration resistance was observed in the superficial layer between 12 and 16 cm deep, with penetration resistance values varying between 2472 and 2912 kPa. The Urochloa exhibited satisfactory agronomic performance when grown under a simulated crop livestock integration system. It is concluded that the use of cover crops in a no-till system has the potential to improve the chemical quality of soil in the Southwestern Amazon region. 650 $aEsterco 650 $aFísica do solo 650 $aPlanta de cobertura 650 $aPlantio direto 650 $aQuímica do solo 653 $aSustentabilidade 700 1 $aAKER, A. M. 700 1 $aCOSTA, R. S. C. da 700 1 $aSANTOS, F. C. dos 700 1 $aLEITE, V. P. D. 700 1 $aMARCOLAN, A. L. 773 $tAfrican Journal of Agricultural Research$gv. 12, n. 47, p. 3339-3347, Nov. 2017.
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Embrapa Milho e Sorgo (CNPMS) |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
Data corrente: |
21/01/2020 |
Data da última atualização: |
28/01/2020 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
BRESSANIN, L. A.; DIAS, R. C.; ESTEVES, G. de F.; SOUZA, K. R. D. de; PASQUAL, M.; MAGALHAES, P. C.; SOUZA, T. C. de. |
Afiliação: |
Leticia Aparecida Bressanin, Universidade Federal de Alfenas; Ricardo Caneschi Dias, Universidade Federal de Alfenas; Gisele de Fátima Esteves, Universidade Federal de Alfenas; Kamila Rezende Dázio de Souza, Universidade Federal de Alfenas; Moacir Pasqual, Universidade Federal de Lavras; PAULO CESAR MAGALHAES, CNPMS; Thiago Corrêa de Souza, Universidade Federal de Alfenas. |
Título: |
Seed priming improves initial growth in maize cultivated on mine tailings. |
Ano de publicação: |
2019 |
Fonte/Imprenta: |
In: BRAZILIAN CONGRESS OF PLANT PHYSIOLOGY, 17., 2019, Cuiabá. Challenges for plant physiology; Food production and sustanability: [abstracts]. Rio Claro, SP: Sociedade Brasileira de Fisiologia Vegetal, 2019. |
Páginas: |
p. 242. |
Idioma: |
Inglês |
Palavras-Chave: |
Desastre de Mariana-MG; Pré-tratamento; Quitosana; Rejeito de minério. |
Thesagro: |
Milho. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/209312/1/Seed-priming.pdf
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Marc: |
LEADER 00863nam a2200241 a 4500 001 2119138 005 2020-01-28 008 2019 bl uuuu u00u1 u #d 100 1 $aBRESSANIN, L. A. 245 $aSeed priming improves initial growth in maize cultivated on mine tailings.$h[electronic resource] 260 $aIn: BRAZILIAN CONGRESS OF PLANT PHYSIOLOGY, 17., 2019, Cuiabá. Challenges for plant physiology; Food production and sustanability: [abstracts]. Rio Claro, SP: Sociedade Brasileira de Fisiologia Vegetal$c2019 300 $ap. 242. 650 $aMilho 653 $aDesastre de Mariana-MG 653 $aPré-tratamento 653 $aQuitosana 653 $aRejeito de minério 700 1 $aDIAS, R. C. 700 1 $aESTEVES, G. de F. 700 1 $aSOUZA, K. R. D. de 700 1 $aPASQUAL, M. 700 1 $aMAGALHAES, P. C. 700 1 $aSOUZA, T. C. de
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