SciELO - Scientific Electronic Library Online

vol.48 issue4Performance of feedlot lambs fed with diets based on sunflower mealReplacement of corn meal by corn germ meal in lamb diets author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand




Related links


Pesquisa Agropecuária Brasileira

Print version ISSN 0100-204X


MONTEIRO, Priscylla Ferraz Câmara; ANGULO FILHO, Rubens; XAVIER, Alexandre Cândido  and  MONTEIRO, Rodrigo Otávio Câmara. Vegetation indices simulated from different sensors for the estimation of biophysical variables of common bean. Pesq. agropec. bras. [online]. 2013, vol.48, n.4, pp.433-441. ISSN 0100-204X.

The objective of this work was to evaluate the vegetation indices and red and infrared bands of the HRVIR, ETM+ and Modis sensors, in the estimations of leaf area index and grain yield of common bean. The experiment was carried out in a randomized block design, with split plots and four irrigation levels (179.5, 256.5, 357.5, and 406.2 mm), three N rates (0.0, 80.0 and 160.0 kg ha-1), and four replicates. The reflectance measurements were obtained through the Spectron SE-590, at R6 stage, on 48 plots. Simple ratio, normalized difference vegetation index, soil-adjusted vegetation index, and enhanced vegetation index were tested. The vegetation indices were efficient to estimate the leaf area index (LAI) and grain yield. The vegetation indices and infrared band show the same potential to estimate LAI, when considering the spectral resolution of Modis, ETM+ and HRVIR.

Keywords : Phaseolus vulgaris; agriculture; spectral reflectance; remote sensing.

        · abstract in Portuguese     · text in Portuguese     · Portuguese ( pdf )


Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License