H. Yusupov, and B. Abdikhalikova. “INFLUENCE OF FERTILIZER RATE AND APPLICATION DEPTH ON TYPICAL RAIN-FED GRAY SOILS ON SOIL FERTILITY AND WINTER WHEAT YIELD”. JournalNX - A Multidisciplinary Peer Reviewed Journal, Feb. 2021, pp. 520-4, https://repo.journalnx.com/index.php/nx/article/view/2380.