TY JOUR TI Ways to reducing the duration of the critical period of harmfulness of the weed component of corn crops in the conditions of the forest-steppe zone of the Chechen Republic KW corn KW harmful objects KW weeds KW pests KW diseases KW growth regulator KW post-harvest sowing KW critical period of harmfulness KW yield KW crop losses JO INTERNATIONAL AGRICULTURAL JOURNAL AU Adaev, N.L. AU Amaeva, A.G. AU Titova, L.A. PY 2025 IS 0 PB Electronic science