EFESIENSI PENGGUNAAN AIR IRIGASI UNTUK TANAMAN PADI SAWAH DENGAN SISTEM PEMBERIAN AIR DAN JARAK TAN AM YANG BERBEDA Dl DAERAH IRIGASI BELITANG KABUPATEN OGAN KOMERING ULU TIMUR

摘要

A research study is to evaluate the irrigation efficiency of rice field under different application system. The experimental plot was conducted in the first growing season in Harjowinangun BK IX, Belitang. Treatment tried consisted of flooding system treatment(I) and apart to plant (T), where flooding system that is 11 = continuous flooding system (continuous flow), 11 = by snatches (intermittent) and 13 = saturated soil, and apart to plant consisted of distance plant 20 x 20 em (T1) and apart to plant 20 x 10 em (T2). Data analysis was calculated -using Random Device of Factorial Group (RAKF). In general combination of treatment of irrigating system (I) and the apart to plant (T), do not give the real influence to growth parameter and produce the tried paddy crop. Treatment of irrigation macak-macak system and apart to plant 20 x 20 em,- was showed good performance and tend to to give the better production and growth, if compared to by a other treatment. Sum up the amount of water required in check of rice during one season plant for the system of flooding continous flow, intermitten and macak-macak successively is 1213,4 mm; 1313,4 mm and 953,4 mm.