نویسندگان
1 دانش اموخته کارشناسی ارشد، دانشگاه صنعتی اصفهان،
2 دانشکده منابع طبیعی دانشگاه صنعتی اصفهان
3 دانشکده کشاورزی، دانشگاه صنعتی اصفهان
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
The establishment and development of vegetation in arid rangelands are severely hindered by prolonged drought and limited water availability, making the efficient use of water resources crucial. This two-year study (2016–2018) in Isfahan, Iran, evaluated the effects of three irrigation methods—clay pipe, surface tape, and furrow irrigation—on the growth performance of Medicago sativa (alfalfa). A randomized complete block design with three replications was used, where all treatments received an equal volume of irrigation water. The results showed that the irrigation method significantly affected numerous growth parameters (P < 0.05), including: Basal diameter and stem number, Canopy cover and plant vigor, Fresh forage and weed weights, Chlorophyll content, survival rate, and flowering, seeding yield and water use efficiency Clay pipe irrigation led to superior outcomes in key metrics such as plant height, basal diameter, stem number, vigor, stomatal conductance, germination rate, yield, and water use efficiency. In contrast, tape irrigation resulted in higher values for canopy cover, forage and weed biomass, survival, flowering, and seed production. Based on these findings, both clay pipe and tape irrigation methods are recommended as effective solutions for arid regions. Furrow irrigation, however, proved less suitable due to its limited impact on plant performance. Notably, the clay pipe system demonstrated the highest water use efficiency, making it a particularly promising method for water-scarce environments.
کلیدواژهها [English]