OTS., Issues 72-51048 |
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Common terms and phrases
absolute minimum agricultural crops air and soil amplitude annual autumn Barnaul Buzuluk centners/ha cherno chernozem coefficient depth of soil depth of tillering diurnal European territory evaporation field forest steppe freezing depth harvest heat hibernation hibernation of winter increase irrigated Kazakhstan less maize maximum minimum soil temperature moist moistening moisture content mulch Nalchik northern perature plowing pochvy podzolic precipitations regime of soil regions reserves of soil shelter belts Siberia Slavgorod snow accumulation snow cover snow layer snow meliorations snow retention soil climate soil freezing soil moisture reserves soil surface soil tempera southern slopes Soviet Union sowing spring wheat station stubble summer temperature of soil territory of USSR thermal conductivity thick snow cover thickness of snow tillering nodes ture Ukraine Ukrainian SSR upper soil layers vegetative cover vegetative period warm period water regime Western Siberia whereas windbreak plants windbreak rows winter crops winter rye winter wheat