Sugiyanta S, Tustiyani I, Dinarti D. Improving the Effectivity of Urea Fertilizer in Shallot by Using Urease and Nitrification Inhibitors. J. Ilmu. Pertan. Indones. [Internet]. 2019Oct.31 [cited 2024May2];24(4):289-94. Available from: https://jai.ipb.ac.id/index.php/JIPI/article/view/28044