TY JOUR TI The efficiency of the use of natural water resources by grain sorghum crops in the rain-fed conditions of the dry steppe zone of Kalmykia KW semi-desert zone of Kalmykia KW light-chestnut soils KW field experiments KW grain sorghum KW soil processing technologies KW unirrigation conditions KW water consumption KW yields JO INTERNATIONAL AGRICULTURAL JOURNAL AU Papaskiri, T.V. AU Kucher, D.E. AU Piven, E.A. AU Chernova, E.G. AU Alekseyenko, N.P. AU Teteryukov, A.I. PY 2024 IS 0 PB Electronic science