Khadka, D., Lamichhane, S., Timilsina, A. P., Baral, B. R., Sah, K., Joshi, B. D., Joshi, S. and Adhikari, P. (2018) “Soil physico-chemical characterization in the different soil layers of National Maize Research Program, Rampur, Chitwan, Nepal”, Journal of Maize Research and Development, 3(1), pp. 28–44. doi: 10.3126/jmrd.v3i1.18918.