TY JOUR TI Condition of irrigational networks of Kyrgyzstan – modern realities and problems KW water management KW melioration KW technical condition KW irrigating systems KW underground waters KW collector and drainage networks KW productivity KW natural fertility KW earth KW natural resources KW cultivated area KW crops KW market mechanism KW agriculture KW economic efficiency KW fertility of the soil. JO Actual directions of scientific researches of the XXI century: theory and practice AU Ubaydullaev, M.. PY 2015 IS 3 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov