Upadhyay, I. P., Jha, S. K., Karki, T. B., Yadav, J., & Bhandari, B. (2016). Tillage methods and mulch on water saving and yield of spring maize in Chitwan. Journal of Maize Research and Development, 2(1), 74–82. https://doi.org/10.3126/jmrd.v2i1.16217