AND S.P. WANI, K. Prabhavati, G.S. Dasog, P.L. Patil, K.L. Sahrawat. Soil Fertility Mapping using GIS in Three Agro-climatic Zones of Belgaum District, Karnataka. Journal of the Indian Society of Soil Science, India, v. 63, n. 2, 2015. Disponível em: https://epubs.icar.org.in/index.php/JISSS/article/view/50627. Acesso em: 26 jun. 2026.