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SPATIAL UNCERTAINTY OF NUTRIENT LOSS BY EROSION IN SUGARCANE HARVESTING SCENARIOS

Patrícia Gabarra Mendonça, João Fernandes da Silva, Ismênia Ribeiro de Oliveira, Daniel De Bortoli Teixeira, Mara Regina Moitinho, Marcílio Vieira Martins, [...]

01/Jul/2015

The assessment of spatial uncertainty in the prediction of nutrient losses by erosion associated with landscape models is an important tool for soil conservation planning. The purpose of this study was to evaluate the spatial and local uncertainty in predicting depletion rates of soil nutrients (P, K, Ca, and Mg) by soil erosion from green and burnt sugarcane harvesting scenarios, using sequential Gaussian simulation (SGS). A regular grid with equidistant intervals of 50 m (626 points) was established in the […]