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| Registros recuperados : 394 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Florestas. Para informações adicionais entre em contato com cnpf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Florestas. |
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Data corrente: |
15/08/2007 |
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Data da última atualização: |
13/02/2015 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
Internacional - A |
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Autoria: |
RODRÍGUEZ, V. J.; MALAVOLTA, E.; SÁNCHES, A.; RODRÍGUEZ, O.; LAVORANTI, O.; GUERRA, E. |
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Título: |
Soil and plant reference norms for evaluating horn plantain nutritional status. |
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Ano de publicação: |
2007 |
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Fonte/Imprenta: |
Communications in Soil Science and Plant Analysis, v. 38, p. 1371-383, 2007. |
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Idioma: |
Inglês |
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Conteúdo: |
The objective of this work was to calibrate, c1assify, and establish sai) and plant reference norms for evaluating the nutritional status of the Horn plantain crop (MIIsa AAB, subgroup plantain cv. Horn). The sampling unit consisted of lhe "rnother" plant and its corresponding soil at the fertilization bando Soil samples at depths of 0-20cm and 2l-40cm were analyzed. A total of 221 sarnpling units were studied, hence, 442 soil and 221 leaf samples were used to develop lhe reference norms. A regression model with linear combinations of the soil and Ieaf variables for yield estimation was established by using the stepwíse method. The model showed a high significant adjustment of 52% (R2) with normality of the standard residues. Four yield subclasses in kg cluster"! as 10.9-13.9 (60 units), 14.0- 17.9 (92 units), 18.0-19.9 (47 units). and 20 or more (17 units) were defined. With the means of lhe soil and leaf data linearly related with yield, the reference norms for each subclass were developed. The rnethod thereby established permits 10 develop refercncc norms that can be used for the simultaneous interpretation of soil and leaf analysis data and for yicId estimation of lhe Hom plantain crop. |
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Thesagro: |
Norma; Planta; Solo. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01829naa a2200217 a 4500
001 1284309
005 2015-02-13
008 2007 bl uuuu u00u1 u #d
100 1 $aRODRÍGUEZ, V. J.
245 $aSoil and plant reference norms for evaluating horn plantain nutritional status.$h[electronic resource]
260 $c2007
520 $aThe objective of this work was to calibrate, c1assify, and establish sai) and plant reference norms for evaluating the nutritional status of the Horn plantain crop (MIIsa AAB, subgroup plantain cv. Horn). The sampling unit consisted of lhe "rnother" plant and its corresponding soil at the fertilization bando Soil samples at depths of 0-20cm and 2l-40cm were analyzed. A total of 221 sarnpling units were studied, hence, 442 soil and 221 leaf samples were used to develop lhe reference norms. A regression model with linear combinations of the soil and Ieaf variables for yield estimation was established by using the stepwíse method. The model showed a high significant adjustment of 52% (R2) with normality of the standard residues. Four yield subclasses in kg cluster"! as 10.9-13.9 (60 units), 14.0- 17.9 (92 units), 18.0-19.9 (47 units). and 20 or more (17 units) were defined. With the means of lhe soil and leaf data linearly related with yield, the reference norms for each subclass were developed. The rnethod thereby established permits 10 develop refercncc norms that can be used for the simultaneous interpretation of soil and leaf analysis data and for yicId estimation of lhe Hom plantain crop.
650 $aNorma
650 $aPlanta
650 $aSolo
700 1 $aMALAVOLTA, E.
700 1 $aSÁNCHES, A.
700 1 $aRODRÍGUEZ, O.
700 1 $aLAVORANTI, O.
700 1 $aGUERRA, E.
773 $tCommunications in Soil Science and Plant Analysis$gv. 38, p. 1371-383, 2007.
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