@article{article,
title = {Chemical transformations of urea nitrogen and movement of nitrogen in a short grass prairie soil},
author = {},
year = {1981},
journal = {Soil Science Society of America Journal},
volume = {45},
number = {5},
pages = {893-898},
howpublished = "\url{https://eurekamag.com/research/004/939/004939814.php}"
}