TY JOUR TI Potential of soil protection and resource-saving (carbon-saving) agriculture in the Middle Volga region KW soil-protective (carbon-saving) and resource-saving agriculture KW carbon sequestration KW direct seeding KW soil-based crops KW legumes JO INTERNATIONAL AGRICULTURAL JOURNAL AU Toigildin, A.L. AU Nikiforova, S.A. PY 2025 IS 0 PB Electronic science