Prediction of soil nutrient content via pXRF spectrometry and its spatial variation in a highly variable tropical area - Pelegrino, Marcelo Henrique Procópio; Silva, Sérgio Henrique Godinho; de Faria, Álvaro José Gomes; Mancini, Marcelo; Teixeira, Anita Fernanda dos Santos; Chakraborty, Somsubhra; Weindorf, David C.; Guilherme, Luiz Roberto Guimarães; Curi, Nilton (Precision agriculture, 2022)
Keywords: Agriculture; Atmospheric Sciences; Biomedical and Life Sciences; Calcium; Calcium ions; Chemistry and Earth Sciences; Computer Science; Cost analysis; data collection; Decision making; fluorescence; Life Sciences; Nutrient content; Physics; Polynomials; Potassium; Precision agriculture; prediction; Prediction models; Regression analysis; Regression models; Remote Sensing/Photogrammetry; Scientific imaging; Sensors; Soil analysis; Soil chemistry; Soil fertility; Soil investigations; Soil nutrients; Soil properties; Soil Science & Conservation; Spatial variations; Spectrometry; Spectroscopy; Statistics for Engineering; Tropical environments; Tropical soils; X-radiation; X-ray fluorescence; Proximal sensor; Random forest; Regression analysis; Soil fertility spatial prediction; Digital soil mapping