Sinha, P. and Das Gupta, K.P. (2022) “Crop Responses to Added Fertilizers inCultivators’ fields-A Technique for finding out Manurial Requirements of Bihar Soils”, Journal of Soil and Water Conservation, 4(3). Available at: https://epubs.icar.org.in/index.php/JSWC/article/view/125945 (Accessed: 3 July 2026).