Regularities of sowing alfalfa productivity formation while using different types of nitrogen fertilizers in cultivation technology.Published in:Modern Phytomorphology, 2020, v. 14, p. 35By:S. V., Kokovikhin;V. P., Kovalenko;A. A., Slepchenko;O. L., Tonkha;N. O., Kovalenko;A. O., Butenko;V. O., UshkarenkoPublication type:Article