2010
DOI: 10.1590/s0100-06832010000100010
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Desenvolvimento de normas DRIS e CND e avaliação do estado nutricional da cultura do algodoeiro

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Cited by 30 publications
(28 citation statements)
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“…For macronutrients, the concordance were: N 81.1 %; K 90.5 %; Ca 86.5 %; and S 91.9 %; for micronutrients, B 82.4 %; Cu 86.5 %; Fe 87.8 %; Mn 90.5; and Zn 90.5 %. A similar result was observed by Serra et al (2010a) for cotton crops, with an average of 87.4 %. For N, P, Ca, Mn, B and Cu diagnosis in rice crops, the use of only two fertilization response potential classes increased the concordance between the diagnostics to levels over 75 % on average.…”
Section: Resultssupporting
confidence: 85%
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“…For macronutrients, the concordance were: N 81.1 %; K 90.5 %; Ca 86.5 %; and S 91.9 %; for micronutrients, B 82.4 %; Cu 86.5 %; Fe 87.8 %; Mn 90.5; and Zn 90.5 %. A similar result was observed by Serra et al (2010a) for cotton crops, with an average of 87.4 %. For N, P, Ca, Mn, B and Cu diagnosis in rice crops, the use of only two fertilization response potential classes increased the concordance between the diagnostics to levels over 75 % on average.…”
Section: Resultssupporting
confidence: 85%
“…Thus, the DRIS norms developed (mean and standard deviation) were based on the transformed relationships (Table 2). The normality deviations was reduced through transformation by the Napierian logarithm as proposed by Serra et al (2010a). After this procedure, the authors obtained, respectively, 86.4, 94.5 and 95.5 % of bivariate relationships with normal distribution.…”
Section: Resultsmentioning
confidence: 99%
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“…A diferença para os métodos tradicionais reside na forma em que esses valores são definidos. Com o DRIS, eles podem ser obtidos com ampla variação nas condições ambientais (não há necessidade de controle), em lavouras comerciais e experimentais, ou podem ser específicos para determinada condição ou espaço geográfico (Silva et al, 2009;Serra et al, 2010aSerra et al, , 2010bSerra et al, , 2012.…”
Section: Introductionunclassified
“…Para cada tonelada de grão produzido a cultura do milho extrai, do solo, em média 16,4 kg de N, 2,3 kg de P, 15,9 kg de K até o máximo produtivo de 8,0 toneladas de grãos e 17,8 kg de N, 2,5 kg de P e 17,3 kg de K para produtividades superiores à citada (Setiyono et al, 2010). Portanto, o incremento do rendimento de grãos e a absorção total de nutrientes não apresentam efeito de proporcionalidade pontual em altas produtividades, carecendo de cuidados com o balanço nutricional do cereal.…”
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