@article{015602548,
title = "Effect of fertilizer nitrogen on plant and soil at different methods of application of nitrogenous fertilizers. 1. Uptake of nitrogen by buckwheat at layer application of nitrogenous fertilizers",
author = "Semenov, V. and Kudeiarov, V. and Sokolov, O.",
year = "1981",
url = "https://eurekamag.com/research/015/602/015602548.php"
}