Publicação: Estimativa da área foliar de Crotalaria juncea L. a partir de dimensões lineares do limbo foliar
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Knowledge of the leaf area plant are needed for agronomic and physiological studies involving plant growth. The aim of this study was to obtain a mathematical model using linear measures of leaf dimensions, which will allow the estimation of leaf area of Crotalaria juncea L. Correlation studies were conducted involving real leaf area (Sf) and leaf length (C), maximum leaf width (L) and the product between C and L. All tested models (linear, exponential or geometric) provided good estimation of leaf area (above 87%). The better fit was attained using linear model, passing or not through the origin. From a practical viewpoint, it is suggested to use the linear model involving the C and L product, using a linear coefficient equal to zero. Estimation of leaf area of Crotalaria juncea L. can be obtained using the model Sf = 0.7160 × (C*L) with a determination coefficient of 0.9712.
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Crotalaria juncea L., Green manure, Growth analysis, Leaf area index
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Inglês
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Bioscience Journal, v. 27, n. 6, p. 902-907, 2011.
