2004
DOI: 10.5380/rsa.v5i1.1094
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VALORES DE REFERÊNCIA DO DRIS PARA A SOJA, cv. CD 202, PARA A REGIÃO SUL DO MATO GROSSO DO SUL

Abstract: A adequação da fertilidade da maioria dos solos das áreas de cerrado do Mato Grosso do Sul para o cultivo da soja, requereu a aplicação intensa de calcários e fertilizantes. Os critérios mais utilizados para o manejo da fertilidade e a caracterização nutricional das culturas são as análises de solo e de folhas cujos resultados são interpretados com base em faixas de concentração. Porém, a eficiência de tais critérios são restringidas pela interpretação de resultados analíticos de forma isolada para cada nutrie… Show more

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Cited by 3 publications
(6 citation statements)
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“…In fact this standard values are susceptible to vary depending on the conditions that the crops are subject to (soil, climate, geographical location, varieties and rootstocks, etc. ), according to the studies of numerous authors like Beverly (1991), Tomé (2001), or Maeda et al (2004. Consequently, although the Portuguese average yield is 5 tons per hectare, regarding the variability in our country, the factors selected by the producer such as varieties, rootstocks, training systems or vineyard management, among others or the variables imposed by the region or the plot itself, such as edaphic or climatic conditions, explain the huge disparity of yield values per hectare obtained in this work.…”
Section: Resultsmentioning
confidence: 99%
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“…In fact this standard values are susceptible to vary depending on the conditions that the crops are subject to (soil, climate, geographical location, varieties and rootstocks, etc. ), according to the studies of numerous authors like Beverly (1991), Tomé (2001), or Maeda et al (2004. Consequently, although the Portuguese average yield is 5 tons per hectare, regarding the variability in our country, the factors selected by the producer such as varieties, rootstocks, training systems or vineyard management, among others or the variables imposed by the region or the plot itself, such as edaphic or climatic conditions, explain the huge disparity of yield values per hectare obtained in this work.…”
Section: Resultsmentioning
confidence: 99%
“…These comparisons based on the standard values are a basic methodology which considers each nutrient independently and this way difficult the application of the concept of nutritional balance, since it can only identify a nutrient at each time (Jones, 1981;Beverly, 1991). Thus, the use of such methods does not allow the rank of nutrient limitations (Meyer, 1981;Maeda et al, 2004). On the other hand, they do not consider different nutritional mechanisms of plants neither the interactions issue between nutrients (Schaller et al, 2002).…”
Section: Introductionmentioning
confidence: 99%
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“…Numerous studies have been conducted on soybean crops [4,8,9,10,11,12,13] with emphasis on diagnostic methods based on nutritional balance, such as the Diagnosis and Recommendation Integrated system (DRIS) and the Compositional Nutrient Diagnosis (CND).…”
Section: Introductionmentioning
confidence: 99%