Kerala Agricultural University Central Library Search for 'su:{Soil fertility status}'

GPS and GIS based model soil fertility maps for precise fertilizer recommendations to the farmers of Kerala

Bhopal AICRP on STCR 2014 . 161 pages

Croatia Intech 2014 . vii, 332 p. 9789533076140

Thiruvananthapuram Department of Agriculture Development and Farmer's Welfare 2018 . 256p

By Nayana Narayanan. Vellayani Department of agricultural statistics, College of Agriculture 2020 . 119