Preliminary Design of Irrigation System on Agricultural Areas in Semberija, Bijeljina municipality (10.000 ha) with Pilot Project BNZ-5 Irrigation System in Donje Crnjelovo for the Area of 500 ha   Preliminary design was prepared for development of irrigation systems for the 10.000 ha of agricultural land in Semberija. Water supply source is the existing channel network. This network abstracts water from the river and transports it to the Sava river. Beside drainage of waters which was p...