2009
DOI: 10.1590/s0100-06832009000600019
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Suprimento do silicato de cálcio e a eficiência nutricional de variedades de cafeeiro

Abstract: (1) Parte da Tese de Doutorado da primeira autora na Universidade Federal de Lavras -UFLA. Recebido para publicação em agosto de 2007 e aprovado agosto de 2009.

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Cited by 16 publications
(20 citation statements)
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References 17 publications
(18 reference statements)
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“…According to Pozza et al (2009) balanced nutrition with Si can reduce susceptibility to water stress and change the rhizosphere pH of plants, which occurred in this study. Even without having established physiological and nutritional function, studies indicate that Si affects the nutritional status of crops such as coffee (Santos Botelho et al, 2005), which was evident in this work.…”
Section: Nutrients Plant Partsmentioning
confidence: 56%
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“…According to Pozza et al (2009) balanced nutrition with Si can reduce susceptibility to water stress and change the rhizosphere pH of plants, which occurred in this study. Even without having established physiological and nutritional function, studies indicate that Si affects the nutritional status of crops such as coffee (Santos Botelho et al, 2005), which was evident in this work.…”
Section: Nutrients Plant Partsmentioning
confidence: 56%
“…Even without having established physiological and nutritional function, studies indicate that Si affects the nutritional status of crops such as coffee (Santos Botelho et al, 2005), which was evident in this work. Pozza et al (2009) when studying three varieties of coffee for Si effects, found that Si affected nutrient uptake, as well as the nutrient use efficiency of plant.…”
Section: Nutrients Plant Partsmentioning
confidence: 99%
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“…Há poucos estudos sobre os efeitos do Si no crescimento das plantas, com a maior parte das publicações tratando de aspectos nutricionais e do papel benéfico desse elemento na resistência a estresse biótico, com eventual avaliação da produtividade final do cultivo (Laviola et al, 2007;Reis et al, 2008;Pozza et al, 2009). Além desse aspecto, os efeitos benéficos do Si não são sempre constatados (Dann & Muir, 2002).…”
Section: Introductionunclassified
“…Although some studies report an effect of phosphate fertilization applied during the production period on coffee yield (Prezotti & Rocha, 2004;Reis et al, 2011), in general, a large increase in the yield of adult woody plants is not expected as a result of P supply in this phase (Novais et al, 1982), as observed in this study and in the studies of Figueiredo et al (2006) The nutrient, P, is one of the macronutrients least accumulated by the coffee plant (Corrêa et al, 1986). Thus, responses of this plant to phosphate fertilization, when they occur, are due to the low availability of this nutrient in the soil, and may furthermore vary as a result of greater or lesser uptake efficiency and/ or efficiency in utilization of the nutrient by the plant, regulated by genetic and environmental factors (Novais & Smyth, 1999;Pozza et al, 2009;Amaral et al, 2011). In spite of the complexity of these relationships, normally, critical levels of P decrease with the age of the plant (Novais et al, 1982).…”
Section: Resultsmentioning
confidence: 99%