TY JOUR TI Effect of nitrogen fertilisers on the yield of crop-root residues in cereal-grass crop rotation KW crop residues KW nutrients KW barley KW grass mixtures KW nitrogen KW phosphorus KW potassium JO Proceedings of the Komi Science Centre of the Ural Division of the Russian Academy of Sciences AU Svechnikov, A.K. PY 2024 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"