Document Type : Research Paper
Dean of, Khuzestan Sugarcane Development and by Products Research and Training Institute.
Professor, Water Science Engineering College, Ahwaz Shahid Chamran University.
Professor, Water Science Engineering College, Ahwaz Shahid Chamran University
Retired Professor, Islamic Azad University, Science and Research Branch Khuzestan.
Sugarcane is cultivated in extensive area in Khuzestan and is irrigated by hydro-flume or syphon. In a field experiment during 2005-6 at Amir Kabire Agro-Industry, of every other furrow irrigation methods was used on sugarcane to study water Volume, application efficiency and water use efficiency of sugarcane. The experiment was conducted in a Completely Randomized Design with three irrigation level treatments, conventional method (conventional, variable every other furrow (alternative-furrow) and invariable every other (fixed furrow)). This experiment was carried out on. Cp69-1062 sugarcane Varity. The results showed that total consumed water was 29848, 21281 and 20657 m3/ha for conventional, fixed-furrow and alternate-furrow irrigation for conventional, fixed-furrow and alternate-furrow methods, respectively. The total amount of water used was reduced by 30.8% and 28.7%, respectively, in the alternate and fixed-furrow irrigation treatments compared to the conventional irrigation method.
The results showed that Water application efficiency in were different levels. The water application efficiency were 41-50 percent (average %45) for conventional method and by irrigation fixed furrow were 74-83 percent (average %78) and by irrigation alternative-furrow were 77-87 percent (average %81) for 1-4 irrigations. water-use efficiency was 0.41, 0.58 and 0.7 kg/m3 (kg sugar production per m3 water used) for conventional, fixed-furrow and alternate-furrow methods, respectively.