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Registro Completo
Biblioteca(s): |
Embrapa Pecuária Sudeste. |
Data corrente: |
08/12/2015 |
Data da última atualização: |
20/03/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 2 |
Autoria: |
BERNARDI, A. C. de C.; CARMELLO, Q. A. de C.; CARVALHO, S. A. de; MACHADO, E. C.; MEDINA, C. L.; GOMES, M. de M. de A.; LIMA, D. M. |
Afiliação: |
ALBERTO CARLOS DE CAMPOS BERNARDI, CPPSE; QUIRINO A. de CAMARGO CARMELLO, ESALQ/PIRACICABA; SERGIO ALVES DE CARVALHO, CENTRO DE CITRICULTURA SYLVIO MOREIRA,IAC/CAMPINAS; EDUARDO CARUSO MACHADO, CENTRO DE ECOFISIOLOGIA E BIOFISICA, IAC/CAMPINAS; CAMILO LAZARO MEDINA, COMPLANT CONSULTORIA TREINAMENTO E DESENVOLVIMENTO AGRICOLA/CAMPINAS; MARA DE MENEZES DE ASSIS GOMES, SETOR DE FISIOLOGIA VEGETAL UENE/ CAMPOS DOS GOYTACAZES; DAG MENDONÇA LIMA, NUCLEO DE ESTUDOS E PESQUISAS EM ALIMENTAÇÃO NEPA/UNICAMP/CAMPINAS. |
Título: |
Nitrogen, Phosphorus and Potassium fertilization interactions on the photosynthesis of containerized citrus nursery trees. |
Ano de publicação: |
2015 |
Fonte/Imprenta: |
Journal of Plant Nutrition , v. 38, n. 12, p. 1902-1912, 2015. |
DOI: |
https://doi.org/10.1080/01904167.2015.1069334 |
Idioma: |
Inglês |
Conteúdo: |
The objective of this research was to evaluate the nitrogen, phosphorus and potassium (NPK) fertilizer effect on the development of ?Valencia? sweet orange nursery trees budded on Rangpur lime rootstocks in a greenhouse using containers. The experiment was a complete (1/5) 53 factorial randomized blocks design. Treatments comprised five concentrations (g per plant) of N (1.25; 6.25; 11.25; 16.25; 21.25); K (0.42; 3.75; 6.22; 9.34; 12.45); and P (0.19; 0.89; 1.59; 2.29; 2.99). Carbon dioxide assimilation rate (A), transpiration rate (E), stomata conductance (gs), and internal carbon dioxide (CO2) concentration (Ci) and water use efficiency (WUE). Reducing sugar, sucrose and starch were evaluated. Response functions were adjusted and nutrient rates for maximum yield were presented. The results indicated that the high levels of N (>16.25 g per plant) interferes negatively on photosynthesis. Potassium at intermediate fertilization levels (from 3.75 to 6.22 g per plant) had positive effects on photosynthesis. But P had little interference on photosynthesis. Carbohydrates levels were not related to nutrients fertilized. |
Palavras-Chave: |
Carbohydrates levels; Fertilizer; Leaf nutrition. |
Thesaurus NAL: |
gas exchange. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
Marc: |
LEADER 01962naa a2200253 a 4500 001 2030981 005 2023-03-20 008 2015 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1080/01904167.2015.1069334$2DOI 100 1 $aBERNARDI, A. C. de C. 245 $aNitrogen, Phosphorus and Potassium fertilization interactions on the photosynthesis of containerized citrus nursery trees.$h[electronic resource] 260 $c2015 520 $aThe objective of this research was to evaluate the nitrogen, phosphorus and potassium (NPK) fertilizer effect on the development of ?Valencia? sweet orange nursery trees budded on Rangpur lime rootstocks in a greenhouse using containers. The experiment was a complete (1/5) 53 factorial randomized blocks design. Treatments comprised five concentrations (g per plant) of N (1.25; 6.25; 11.25; 16.25; 21.25); K (0.42; 3.75; 6.22; 9.34; 12.45); and P (0.19; 0.89; 1.59; 2.29; 2.99). Carbon dioxide assimilation rate (A), transpiration rate (E), stomata conductance (gs), and internal carbon dioxide (CO2) concentration (Ci) and water use efficiency (WUE). Reducing sugar, sucrose and starch were evaluated. Response functions were adjusted and nutrient rates for maximum yield were presented. The results indicated that the high levels of N (>16.25 g per plant) interferes negatively on photosynthesis. Potassium at intermediate fertilization levels (from 3.75 to 6.22 g per plant) had positive effects on photosynthesis. But P had little interference on photosynthesis. Carbohydrates levels were not related to nutrients fertilized. 650 $agas exchange 653 $aCarbohydrates levels 653 $aFertilizer 653 $aLeaf nutrition 700 1 $aCARMELLO, Q. A. de C. 700 1 $aCARVALHO, S. A. de 700 1 $aMACHADO, E. C. 700 1 $aMEDINA, C. L. 700 1 $aGOMES, M. de M. de A. 700 1 $aLIMA, D. M. 773 $tJournal of Plant Nutrition$gv. 38, n. 12, p. 1902-1912, 2015.
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