Sheth NT, Desai JK, Patodiya MM, Bhatt NS, Duggirala SM. Field scale comparative study on application of DAP, Urea and Humic acid on soil flora and crop productivity. vp [Internet]. 2015 Dec. 31 [cited 2025 Dec. 7];53(4):17-31. Available from: http://journal.gujaratvidyapith.org/index.php/vp/article/view/61