Keywords:  heat and moisture availability, irrigation reclamation, yield level, resource constraints

// Мелиорация. – 2017. – №2(80).– С. 23—28

The natural and climatic need of irrigation of mineral soils on the territory of the Republic of Belarus is grounded (example is the southern zone of the Gomel region). It is noted that irrigation slow down in modern social and economic development of Belarus. Anyway irrigation is effective technology of agriculture. It is suggested to choose reclamation objects in two stages. The first stage proves irrigation in general, the second one selects construction objects (reconstruction) of irrigating systems comparing the payback period of capital investments in net income using factor coefficients.