Sarker, K., Sarkar, P., Sarker, A., Islam, A. and Xiaoyan, W. 2012. Optimum Water Use in Conservation Tillage for Wheat Cultivation. Bangladesh Journal of Agricultural Research. 37, 1 (Jul. 2012), 27–37. DOI:https://doi.org/10.3329/bjar.v37i1.11172.