[1]
A. A. B. de Melo, G. S. Valladares, M. B. Ceddia, M. G. Pereira, and I. Soares, “Spatial distribution of organic carbon and humic substances in irrigated soils under different management systems in a semi-arid zone in Ceará, Brazil”, Semina: Ciênc. Agrár., vol. 37, no. 4, pp. 1845–1856, Aug. 2016.