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Registro Completo
Biblioteca(s): |
Embrapa Arroz e Feijão. |
Data corrente: |
25/11/2009 |
Data da última atualização: |
23/08/2024 |
Tipo da produção científica: |
Artigo em Anais de Congresso |
Autoria: |
MOREIRA, A.; FAGERIA, N. K. |
Afiliação: |
ADONIS MOREIRA, CPPSE; NAND KUMAR FAGERIA, CNPAF. |
Título: |
Microbial biomass in upland soils of the Central Amazon under different plant covers. |
Ano de publicação: |
2009 |
Fonte/Imprenta: |
In: INTERNATIONAL SYMPOSIUM ON PLANT-SOIL INTERACTIONS AT LOW pH, 7., 2009, Guangzhou, China. Proceedings... Guangzhou: South China University of Technology Press, 2009. |
Páginas: |
p. 17-18. |
Idioma: |
Português |
Conteúdo: |
The objective of this study was to evaluate the microbial activity of carbon, nitrogen and phosphorus resulting from the replacement of the primary forest with Brachiaria brizantha, Hevea, cupuaçu, citrus and secondary forest. There was no increase in soil fertility under secondary forest, but in the pasture had an increase in the stock of C and N and high C/N ratios, the inverse occurred with C-microbial biomass. The primary forest had the highest values of C, N and P of the microbial biomass and the lowest metabolic quotient. The Hevea was the plant cover with the smallest changes of C in the soil. |
Thesagro: |
Biomassa; Brachiaria brizantha; Carbono; Fertilidade do solo; Fósforo; Nitrogênio; Planta de cobertura; Solo. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
Marc: |
LEADER 01374nam a2200229 a 4500 001 1576074 005 2024-08-23 008 2009 bl uuuu u00u1 u #d 100 1 $aMOREIRA, A. 245 $aMicrobial biomass in upland soils of the Central Amazon under different plant covers.$h[electronic resource] 260 $aIn: INTERNATIONAL SYMPOSIUM ON PLANT-SOIL INTERACTIONS AT LOW pH, 7., 2009, Guangzhou, China. Proceedings... Guangzhou: South China University of Technology Press$c2009 300 $ap. 17-18. 520 $aThe objective of this study was to evaluate the microbial activity of carbon, nitrogen and phosphorus resulting from the replacement of the primary forest with Brachiaria brizantha, Hevea, cupuaçu, citrus and secondary forest. There was no increase in soil fertility under secondary forest, but in the pasture had an increase in the stock of C and N and high C/N ratios, the inverse occurred with C-microbial biomass. The primary forest had the highest values of C, N and P of the microbial biomass and the lowest metabolic quotient. The Hevea was the plant cover with the smallest changes of C in the soil. 650 $aBiomassa 650 $aBrachiaria brizantha 650 $aCarbono 650 $aFertilidade do solo 650 $aFósforo 650 $aNitrogênio 650 $aPlanta de cobertura 650 $aSolo 700 1 $aFAGERIA, N. K.
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