S001223Official VSAU dissertation PDF with a page-135 citation witness for W000246详情source_class机构来源authority_level一手来源accessed_at2026-08-01https://ds.vsau.ru/wp-content/uploads/2014/09/%D0%91%D0%BE%D0%BB%D1%83%D1%87%D0%B5%D0%B2%D1%81%D0%BA%D0%B8%D0%B9-%D0%94%D0%B8%D1%81%D1%81%D0%B5%D1%80%D1%82%D0%B0%D1%86%D0%B8%D1%8F-01.pdf出版物Оптимизация агрофизических свойств черноземов报告此记录的更正