@article{article,
title = {Effect of green manures and different levels of nitrogen on the yield and yield components of transplant aman rice},
author = {},
year = {2004},
journal = {Journal of Agronomy},
volume = {3},
number = {2},
pages = {122-125},
howpublished = "\url{https://eurekamag.com/research/004/122/004122286.php}"
}