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Registro Completo |
Biblioteca(s): |
Embrapa Cerrados. |
Data corrente: |
15/04/1997 |
Data da última atualização: |
15/04/1997 |
Autoria: |
FREITAS, L. M. M de; McCLUNG, A. C.; LOTT, W. L. |
Título: |
Field studies on fertility problems of two Brazilian campos cerrados 1958-1959. |
Ano de publicação: |
1960 |
Fonte/Imprenta: |
New York: IBEC Research Institute, 1960. |
Páginas: |
31p. |
Série: |
(IBEC Research Institute, 21). |
Idioma: |
Inglês |
Notas: |
Versao em portugues CRI045. |
Conteúdo: |
Field experiments at two sites in campo cerrado areas of Central Brazil indicated these soils to be very deficient in several plant nutrients and to be quite responsive to added lime and inorganic fertilizers. Corn, soybeans and cotton served as indicator crops. Responses in growth and yield of crops were obtained with dolomitic lime, nitrogen, phosphorus, potassium, zinc, sulfur and molybdenum. Responses were different at the two locations and differences were also noted between crops at a given location. The data suggest, however, that these areas are capable of supporting a much more intensive agriculture than they do at present, and there is an indication that economic returns may be obtained through improved fertility practices. Systematic examination of the soils of the campos cerrados are needed. Such studies should result in an important contribution to Brazilian economy. |
Palavras-Chave: |
Brasil. |
Thesagro: |
Adubação; Calagem; Cerrado. |
Thesaurus Nal: |
fertilizer application; liming. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01550nam a2200241 a 4500 001 1552696 005 1997-04-15 008 1960 bl uuuu u0uu1 u #d 100 1 $aFREITAS, L. M. M de 245 $aField studies on fertility problems of two Brazilian campos cerrados 1958-1959. 260 $aNew York: IBEC Research Institute$c1960 300 $a31p. 490 $a(IBEC Research Institute, 21). 500 $aVersao em portugues CRI045. 520 $aField experiments at two sites in campo cerrado areas of Central Brazil indicated these soils to be very deficient in several plant nutrients and to be quite responsive to added lime and inorganic fertilizers. Corn, soybeans and cotton served as indicator crops. Responses in growth and yield of crops were obtained with dolomitic lime, nitrogen, phosphorus, potassium, zinc, sulfur and molybdenum. Responses were different at the two locations and differences were also noted between crops at a given location. The data suggest, however, that these areas are capable of supporting a much more intensive agriculture than they do at present, and there is an indication that economic returns may be obtained through improved fertility practices. Systematic examination of the soils of the campos cerrados are needed. Such studies should result in an important contribution to Brazilian economy. 650 $afertilizer application 650 $aliming 650 $aAdubação 650 $aCalagem 650 $aCerrado 653 $aBrasil 700 1 $aMcCLUNG, A. C. 700 1 $aLOTT, W. L.
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Embrapa Cerrados (CPAC) |
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Registros recuperados : 9 | |
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