نوع مقاله: مقاله پژوهشی
نویسندگان
1 استاد، موسسه تحقیقات فنی و مهندسی کشاورزی، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرج، ایران
2 دانشیار بخش تحقیقات فنی و مهندسی کشاورزی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی آذربایجان شرقی، سازمان تحقیقات، آموزش و ترویج کشاورزی، تبریز، ایران
3 استادیار موسسه تحقیقات فنی و مهندسی کشاورزی، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرج، ایران
4 استادیار بخش تحقیقات فنی و مهندسی کشاورزی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی خوزستان، سازمان تحقیقات، آموزش و ترویج کشاورزی، اهواز، ایران
5 دانشیار بخش تحقیقات فنی و مهندسی کشاورزی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی خراسان رضوی، سازمان تحقیقات، آموزش و ترویج کشاورزی، مشهد، ایران
6 استادیار بخش تحقیقات فنی و مهندسی کشاورزی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی صفی آباد، سازمان تحقیقات، آموزش و ترویج کشاورزی، دزفول، ایران
7 مربی پژوهشی بخش تحقیقات فنی و مهندسی کشاورزی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی فارس، سازمان تحقیقات، آموزش و ترویج کشاورزی، شیراز، ایران
8 استادیار گروه تحقیقات فنی و مهندسی کشاورزی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی قزوین، سازمان تحقیقات، آموزش و ترویج کشاورزی، قزوین، ایران
9 استادیار بخش تحقیقات آبخیزداری، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی خراسان‌شمالی، سازمان تحقیقات، آموزش و ترویج کشاورزی، بجنورد، ایران
10 استادیار بخش تحقیقات فنی و مهندسی کشاورزی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی اردبیل (مغان)، سازمان تحقیقات، آموزش و ترویج کشاورزی، مغان، ایران
11 مربی پژوهشی بخش تحقیقات فنی و مهندسی کشاورزی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی اصفهان، سازمان تحقیقات، آموزش و ترویج کشاورزی، اصفهان، ایران
12 دانشیار موسسه تحقیقات فنی و مهندسی کشاورزی، سازمان تحقیقات، آموزش و ترویج کشاورزی، کرج، ایران
چکیده
کلیدواژه‌ها
عنوان مقاله [English]
نویسندگان [English]
Despite the importance of determining and measuring the indices of irrigation water management in the agricultural sector for application in macroeconomic planning, these indices have not yet been done in modern and conventional irrigation networks. Therefore, the present study was conducted to compare the indices of irrigation water management (water consumed, water productivity and water application efficiency) in modern and conventional irrigation networks producing silage maize in Iran. The data were obtained by direct measurements from fields in the provinces of Alborz, Tehran, Fars, Khuzestan, Khorasan Razavi, Ardebil, Isfahan and Qazvin, which covered about 70% of areas under cultivation of silage maize in Iran, in more than 100 farms in modern and conventional irrigation networks. Results showed that the differences in water consumption and water productivity indices of modern and conventional irrigation networks were statistically significant to produce silage maize. Consequently, the yield of silage maize measured 50.54 and 54.32 ton ha-1, water consumption measured 6983 and 9085 m3 ha-1 ,water productivity measured 7.46 and 6.26 kg m-3, and water application efficiency measured 73% and 68% under the modern and conventional networks, respectively. These findings indicate that development of modern irrigation networks can promote water productivity and are valuable to be applied in the five-year national development plan and economic programs.
کلیدواژه‌ها [English]
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