and S.P. Wani KPGDPPKS. Soil Fertility Mapping using GIS in Three Agro-climatic Zones of Belgaum District, Karnataka. JISSS [Internet]. 2015 Jul. 29 [cited 2026 Jun. 26];63(2). Available from: https://epubs.icar.org.in/index.php/JISSS/article/view/50627