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| Registros recuperados : 2 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Caprinos e Ovinos. Para informações adicionais entre em contato com cnpc.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
14/10/2015 |
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Data da última atualização: |
03/03/2016 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
SOUZA, H. A. de; ROZANE, D. E.; AMORIM, D. A.; DIAS, M. J. T.; MODESTO, V. C.; NATALE, W. |
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Afiliação: |
HENRIQUE ANTUNES DE SOUZA, CNPC; State University of São Paulo (USP) - Registro, SP, Brazil; Agricultural Research Company of Minas Gerais - Caldas, MG, Brazil; USP - Jaboticabal, SP, Brazil; USP - Jaboticabal, SP, Brazil; USP - Jaboticabal, SP, Brazil. |
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Título: |
Assessment of nutritional status of guava seedlings using preliminary DRIS norms and sufficiency ranges. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Journal of Plant Nutrition, v. 38, n. 10, p. 1611-1618, Aug. 2015. |
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DOI: |
10.1080/01904167.2015.1017050 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The objective of this work was to propose preliminary Diagnosis and Recommendation Integrated System (DRIS) norms and derive critical levels and nutrient sufficiency ranges in the leaves of guava plants in commercial nursery conditions. Sixty-eight leaf samples were evaluated from fertilization trials with seedlings. In the low-yield subpopulation (84% of the population), the limiting nutrients by deficiency in descending order were nitrogen (N)> copper (Cu)>phosphorus (P) = potassium (K)> manganese (Mn)> iron (Fe) = zinc (Zn)> sulfur (S)> boron (B) = magnesium (Mg)> calcium (Ca), and the limiting ones by excess in descending order were B > Ca > Fe > Mn > S > Mg > Cu > P > Zn > N = K. The ranges of the appropriate DRIS indices were 24 to 28, 2.4 to 3.1, 21 to 29, 6 to 8, 1.9 to 2.9 and 1.9 to 2.3 (g kg?1) for the macronutrients N, P, K, Ca, Mg and S, respectively, and 35 to 48, 4 to 15, 68 to 93, 31 to 60 and 180 to 245 (mg kg-1) for the micronutrients B, Cu, Fe, Mn and Zn, respectively. The dry matter production of guava seedlings was associated with the nutritional status. |
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Palavras-Chave: |
DRIS; Leaf analysis; Nursery. |
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Thesagro: |
Análise Foliar; Fertilizante nitrogenado; Goiaba; Macroelemento; Microelemento; Muda; Nitrogênio; Nutrição vegetal; Psidium Guajava. |
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Thesaurus NAL: |
Nitrogen fertilizers; Nutritional status; Trace elements. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02179naa a2200373 a 4500
001 2026372
005 2016-03-03
008 2015 bl uuuu u00u1 u #d
024 7 $a10.1080/01904167.2015.1017050$2DOI
100 1 $aSOUZA, H. A. de
245 $aAssessment of nutritional status of guava seedlings using preliminary DRIS norms and sufficiency ranges.
260 $c2015
520 $aAbstract: The objective of this work was to propose preliminary Diagnosis and Recommendation Integrated System (DRIS) norms and derive critical levels and nutrient sufficiency ranges in the leaves of guava plants in commercial nursery conditions. Sixty-eight leaf samples were evaluated from fertilization trials with seedlings. In the low-yield subpopulation (84% of the population), the limiting nutrients by deficiency in descending order were nitrogen (N)> copper (Cu)>phosphorus (P) = potassium (K)> manganese (Mn)> iron (Fe) = zinc (Zn)> sulfur (S)> boron (B) = magnesium (Mg)> calcium (Ca), and the limiting ones by excess in descending order were B > Ca > Fe > Mn > S > Mg > Cu > P > Zn > N = K. The ranges of the appropriate DRIS indices were 24 to 28, 2.4 to 3.1, 21 to 29, 6 to 8, 1.9 to 2.9 and 1.9 to 2.3 (g kg?1) for the macronutrients N, P, K, Ca, Mg and S, respectively, and 35 to 48, 4 to 15, 68 to 93, 31 to 60 and 180 to 245 (mg kg-1) for the micronutrients B, Cu, Fe, Mn and Zn, respectively. The dry matter production of guava seedlings was associated with the nutritional status.
650 $aNitrogen fertilizers
650 $aNutritional status
650 $aTrace elements
650 $aAnálise Foliar
650 $aFertilizante nitrogenado
650 $aGoiaba
650 $aMacroelemento
650 $aMicroelemento
650 $aMuda
650 $aNitrogênio
650 $aNutrição vegetal
650 $aPsidium Guajava
653 $aDRIS
653 $aLeaf analysis
653 $aNursery
700 1 $aROZANE, D. E.
700 1 $aAMORIM, D. A.
700 1 $aDIAS, M. J. T.
700 1 $aMODESTO, V. C.
700 1 $aNATALE, W.
773 $tJournal of Plant Nutrition$gv. 38, n. 10, p. 1611-1618, Aug. 2015.
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