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Registro Completo
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
08/06/1998 |
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Data da última atualização: |
01/04/2004 |
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Autoria: |
BALIGAR, V. C.; FAGERIA, N. K. |
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Título: |
Nutrient use efficiency in acid soils: nutrient management and plant use efficiency. |
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Ano de publicação: |
1997 |
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Fonte/Imprenta: |
In: MONIZ, A. C.; FURLANI, A. M. C.; SCHAFFERT, R. E.; FAGERIA, N. K.; ROSOLEM, C. A.; CANTARELLA, H. (Ed.). Plant-soil interactions at low pH: sustainable agriculture and forestry production. Campinas: Brazilian Soil Science Society, 1997. |
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Páginas: |
p. 75-95. |
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ISBN: |
85-86504-01-7 |
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Idioma: |
Inglês |
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Notas: |
Proceedings of the Fourth International Symposium on Plant-Soil Interactions at low pH, Belo Horizonte, Minas Gerais, Brazil, 17-24 March 1996. |
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Conteúdo: |
Acid soils occupy about 30% (3.95 b ha) of the world's ice-free land area. Plant growth-limiting factors in acid soils include deficiences (N, P Ca, Mg, Mo, Zn) and toxicities (Al, Mn, Fe, H) of elements. The effciency of added fertilizers (N, P, K) is very low in acid soils. The integrated plant nutrient management system is important to improve crop yield potentials in acid, infertile soils. Genetic and physiological components of plants have profound effects on the ability of plants to acquire, transport, and utilize absorbed nutrients. To enhance dry matter yield (grain/forage) potentials for plants grown in acid soils, increases in nutrient use efficiency parameters (acquisition, influx, transport, utilization, remobilization) and plant growth parameters (plant demand, root morphology), and the ability of plants to interact effectively with environmental variables (drought, solar radiation, high temperature) are needed. Selection for efficient essencial nutrient acquisition and utilization and avoidance of ion toxicities (Al, Mn) appears to be a dominant approach to adapting plants to unfavorable acid soil environments. Cultural practices such as appropriate crop rotations, improvement of organic matter content in soil, and control of soil erosion, insects, diseases, and weeds can improve crop yields and optimize nutrient use efficiency. |
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Palavras-Chave: |
Acid; Soil deficiencies; Soils. |
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Thesagro: |
Ácido; Cerrado; Deficiência; Deficiência do Solo; Nutriente; Solo; Solo Ácido. |
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Thesaurus NAL: |
acid soils; nutrients. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02478naa a2200313 a 4500
001 1206475
005 2004-04-01
008 1997 bl uuuu u00u1 u #d
020 $a85-86504-01-7
100 1 $aBALIGAR, V. C.
245 $aNutrient use efficiency in acid soils$bnutrient management and plant use efficiency.
260 $c1997
300 $ap. 75-95.
500 $aProceedings of the Fourth International Symposium on Plant-Soil Interactions at low pH, Belo Horizonte, Minas Gerais, Brazil, 17-24 March 1996.
520 $aAcid soils occupy about 30% (3.95 b ha) of the world's ice-free land area. Plant growth-limiting factors in acid soils include deficiences (N, P Ca, Mg, Mo, Zn) and toxicities (Al, Mn, Fe, H) of elements. The effciency of added fertilizers (N, P, K) is very low in acid soils. The integrated plant nutrient management system is important to improve crop yield potentials in acid, infertile soils. Genetic and physiological components of plants have profound effects on the ability of plants to acquire, transport, and utilize absorbed nutrients. To enhance dry matter yield (grain/forage) potentials for plants grown in acid soils, increases in nutrient use efficiency parameters (acquisition, influx, transport, utilization, remobilization) and plant growth parameters (plant demand, root morphology), and the ability of plants to interact effectively with environmental variables (drought, solar radiation, high temperature) are needed. Selection for efficient essencial nutrient acquisition and utilization and avoidance of ion toxicities (Al, Mn) appears to be a dominant approach to adapting plants to unfavorable acid soil environments. Cultural practices such as appropriate crop rotations, improvement of organic matter content in soil, and control of soil erosion, insects, diseases, and weeds can improve crop yields and optimize nutrient use efficiency.
650 $aacid soils
650 $anutrients
650 $aÁcido
650 $aCerrado
650 $aDeficiência
650 $aDeficiência do Solo
650 $aNutriente
650 $aSolo
650 $aSolo Ácido
653 $aAcid
653 $aSoil deficiencies
653 $aSoils
700 1 $aFAGERIA, N. K.
773 $tIn: MONIZ, A. C.; FURLANI, A. M. C.; SCHAFFERT, R. E.; FAGERIA, N. K.; ROSOLEM, C. A.; CANTARELLA, H. (Ed.). Plant-soil interactions at low pH: sustainable agriculture and forestry production. Campinas: Brazilian Soil Science Society, 1997.
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