The paper indicates scientifically substantiated continuous, year-rounduseof irrigated lands in Surkhan-Sherabad valley, southern zone of Uzbekistan. In research, scientifically substantiated production agrotechnology of cropsinoneagricultural system were investigated, where the crops were grownas amaincrop,summer crop and after winter wheat and barley harvesting. The followingyieldswereobtained winter wheat variety “Chillaki” 4.89 to 5.65 t ha-1, barleyvariety“Bolgali”5.44 to 6.03 t ha-1, after winter wheat and barley harvesting: maizevariety“Uzbekistan-306 AMB” 4.60 to 5.28 t ha-1 grain, variety “Nart” 4.27to5.19tha-1grain, cabbage variety “Sharkiya” 44.8 to 53.5 t ha-1, variety “Uzbekistan-133”45.7 to4.0 t ha-1, upland cotton varieties “Bukhara-6” and “Bukhara-8” 2.85 to .2 t h-an2.89 to 3.24 t ha-1respectively.