رحیم مطلبی فرد
محمود احمدی
علی احسان نصرتی
علی محمد جعفری
علی آجیلی لاهیجی
سعید غالبی

The objectives of this study were to investigate the effects of four different irrigation levels (I , I , I and I ) and four nitrogen rates ( , , and kg N per ha) on yield, quality and water use efficiency of garlic population of Hamedan using a line source sprinkler irrigation during and season in Ekbatan agriculture station of Hamedan. The average water amounts applied to I , I , I and I for two years were , , and M per hectare respectively. The results showed that, the nitrogen rates significantly (P= , ) affected nitrogen content of garlic tuber. Nitrogen content of tuber increased with increasing nitrogen consumption and ranged from , percent for none nitrogen application per ha to , percent for kg per ha N using. The effects of nitrogen rates were not significant on other measured factors. Increasing in applied water increased garlic yield and mean weight of cloves significantly and ranged from kg/ha and , g/clove for I to kg/ha and , g/clove for I treatment respectively. Increasing in applied water decreased number of tuber cover and WUE and ranged from , cover per tuber and , kg/M for I to , cover per tuber and , kg/M for I treatment respectively. Interaction of N and irrigation water didn t affected measured factors.

روش های آبیاری,آبیاری بارانی,سیر (گیاه),کودهای شیمیایی نیتروژن دار,مصرف آب,کارایی