Economic Productivity Analysis of Water and Nitrogen in Alternate Furrow Irrigation for Quinoa
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Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
The water crisis is one of the most important factors that limit the production of agricultural products in arid and semi-arid regions, which requires the optimal consumption of water in agriculture to achieve food security in these regions. To investigate the economic efficiency of water and nitrogen fertilizer on Quinoa, an experiment was conducted as a split-plot based on a randomized complete block design with three replications in 2018 at Ferdowsi University of Mashhad. Treatments included three irrigation methods (furrow irrigation (FI), fixed alternate furrow irrigation (FAFI), and variable alternate furrow irrigation (VAFI)) and three-level of nitrogen fertilizing (50, 100, and 200 Kg/ha). The different furrow irrigation methods on the economic productivity of fertilizer, CPD, BPD, NBPD, and PFP were highly significant (p < 0.01). The different levels of nitrogen fertilizer on the economic productivity of fertilizer, BPD, NBPD, and PFP were significant at 1 percent levels (p < 0.01), and on CPD was significant at 5 percent levels (p < 0.05). The interaction effects on the economic productivity of fertilizer and PFP were highly significant (p < 0.01) and on NBPD and BPD were significant at 5 percent levels (p < 0.05). The results showed that under traditional furrow irrigation conditions, increasing the nitrogen fertilizer reduces the economic efficiency of water and fertilizer (compared to using 50 kg/ha N). The results showed that the highest economic and physical water productivity and BPD were obtained in the treatment of variable alternate furrow irrigation + 200 kg/ha of nitrogen.
Language:
Persian
Published:
Water Management in Agriculture, Volume:8 Issue: 2, 2022
Pages:
1 to 14
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