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11. | | NASCENTE, A. S.; LI, Y.; CRUSCIOL, C. A. Cover crops species as affecting soil aggregation, aggregate stability, organic carbon concentration and soil bulk density in different soil aggregate fractions. In: WORLD CONGRESS OF SOIL SCIENCE, 20., 2014, Jeju, Korea. Soils embrace life and universe. Jeju: International Union of Soil Sciences, 2014. Biblioteca(s): Embrapa Arroz e Feijão. |
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| Acesso ao texto completo restrito à biblioteca da Embrapa Arroz e Feijão. Para informações adicionais entre em contato com cnpaf.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Arroz e Feijão. |
Data corrente: |
02/02/2010 |
Data da última atualização: |
13/07/2020 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
B - 1 |
Autoria: |
FAGERIA, N. K.; BALIGAR, V. C.; LI, Y. C. |
Afiliação: |
NAND KUMAR FAGERIA, CNPAF; V. C. BALIGAR; Y. C. LI. |
Título: |
Differential soil acidity tolerance of tropical legume cover crops. |
Ano de publicação: |
2009 |
Fonte/Imprenta: |
Communications in Soil Science and Plant Analysis, v. 40, n. 7/8, p. 1148-1160, 2009. |
DOI: |
https://doi.org/10.1080/00103620902754127 |
Idioma: |
Inglês |
Conteúdo: |
In tropical regions, soil acidity and low soil fertility are the most important yield-limiting factors for sustainable crop production. Using legume cover crops as mulch is an important strategy not only to protect the soil loss from erosion but also to ameliorate soil fertility. Information is limited regarding tolerances of tropical legume cover crops to acid soils. A greenhouse experiment was conducted to determine the differential tolerance of 14 tropical legume cover crops to soil acidity. The acidity treatments were high (0 g lime kg21 soil), medium (3.3 g lime kg21 soil), and low (8.3 g lime kg21 soil). Shoot dry weight of cover crops were significantly affected by acidity treatments. Maximum shoot dry weight was produced at high acidity. Jack bean, black mucuna, and gray mucuna bean species were most tolerant to soil acidity, whereas Brazilian lucern and tropical kudzu were most susceptible to soil acidity. Overall, optimal soil acidity indices were pH5.5, hydrogen (H)+ aluminum (Al) 6.8 cmolc kg21, base saturation 25%, and acidity saturation 74.7%. Species with higher seed weight had higher tolerance to soil acidity than those with lower seed weight. Hence, seed weight was associated with acidity tolerance in tropical legume species. |
Palavras-Chave: |
Shoot dry weight. |
Thesagro: |
Acidez do solo; Cobertura do solo; Fertilidade do solo; Legume. |
Thesaurus NAL: |
Base saturation; Soil pH. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
Marc: |
LEADER 01995naa a2200241 a 4500 001 1631961 005 2020-07-13 008 2009 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1080/00103620902754127$2DOI 100 1 $aFAGERIA, N. K. 245 $aDifferential soil acidity tolerance of tropical legume cover crops.$h[electronic resource] 260 $c2009 520 $aIn tropical regions, soil acidity and low soil fertility are the most important yield-limiting factors for sustainable crop production. Using legume cover crops as mulch is an important strategy not only to protect the soil loss from erosion but also to ameliorate soil fertility. Information is limited regarding tolerances of tropical legume cover crops to acid soils. A greenhouse experiment was conducted to determine the differential tolerance of 14 tropical legume cover crops to soil acidity. The acidity treatments were high (0 g lime kg21 soil), medium (3.3 g lime kg21 soil), and low (8.3 g lime kg21 soil). Shoot dry weight of cover crops were significantly affected by acidity treatments. Maximum shoot dry weight was produced at high acidity. Jack bean, black mucuna, and gray mucuna bean species were most tolerant to soil acidity, whereas Brazilian lucern and tropical kudzu were most susceptible to soil acidity. Overall, optimal soil acidity indices were pH5.5, hydrogen (H)+ aluminum (Al) 6.8 cmolc kg21, base saturation 25%, and acidity saturation 74.7%. Species with higher seed weight had higher tolerance to soil acidity than those with lower seed weight. Hence, seed weight was associated with acidity tolerance in tropical legume species. 650 $aBase saturation 650 $aSoil pH 650 $aAcidez do solo 650 $aCobertura do solo 650 $aFertilidade do solo 650 $aLegume 653 $aShoot dry weight 700 1 $aBALIGAR, V. C. 700 1 $aLI, Y. C. 773 $tCommunications in Soil Science and Plant Analysis$gv. 40, n. 7/8, p. 1148-1160, 2009.
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