Media type: E-Article Title: Nitrogen Consumption in a Second-Year Perennial Legume–Grass Mixture (15N Labeling) Contributor: Shmyreva, N. Ya.; Zavalin, A. A.; Sokolov, O. A.; Litvinsky, V. A. imprint: Allerton Press, 2019 Published in: Russian Agricultural Sciences Language: English DOI: 10.3103/s1068367419050148 ISSN: 1068-3674; 1934-8037 Keywords: General Medicine Origination: Footnote: