Bairwa, RK, V Nepalia, CM Balai, R Jalwania, and HP Meena. “Yield and Nutrient Uptake of Summer Green Gram [Vigna Radiata (L) Wilczek] under Different Levels of Phosphorus and Sulphur Fertilizations”. SAARC Journal of Agriculture 12, no. 1 (December 3, 2014): 162-172. Accessed October 22, 2020. https://www.banglajol.info/index.php/SJA/article/view/21122.