DAS, DEBARUP, B S DWIVEDI, S P DATTA, S C DATTA, M C MEENA, A K DWIVEDI, MUNESHWAR SINGH, V K SINGH, D CHAKRABORTY, and SEEMA JAGGI. 2019. “Long-Term Fertilization Effects on Soil Potassium and Crop Yields in a Vertisol”. The Indian Journal of Agricultural Sciences 89 (7): 1086–1090. https://doi.org/10.56093/ijas.v89i7.91648.