Effect of Different N Fertilizer Combinations and Irrigation Regimes on Concentration, Uptake and Efficiency of Major Nutrients in Plantago ovata
Effect of Different N Fertilizer Combinations and Irrigation Regimes on Concentration, Uptake and Efficiency of Major Nutrients in Plantago ovata
عنوان فارسی :
Effect of Different N Fertilizer Combinations and Irrigation Regimes on Concentration, Uptake and Efficiency of Major Nutrients in Plantago ovata
عنوان انگلیسی :
Effect of Different N Fertilizer Combinations and Irrigation Regimes on Concentration, Uptake and Efficiency of Major Nutrients in Plantago ovata
چکیده انگلیسی:
In order to evaluate the response of major nutrients concentration, uptake and their efficiencies of isabgol (Plantago ovata) to N fertilizer combinations and irrigation regimes, a field experiment was conducted at the agricultural research farm of Shahrekord University, 2009. The experiment was arranged as split-plot, in randomized complete block design with three replications. The irrigation regimes (irrigation after 7, 14 and 21 days interval) were arranged as main plots and combination of different N fertilizers included control, urea fertilizer (UF), broiler litter (BL), UF+BL (3:1), UF+BL (1:1), UF+BL (1:3) as subplots. Results showed that the highest shoot dry weight and N uptake were achieved with 7 and 14 days irrigation regimes, respectively. There was no significant difference between 7 and 14 days irrigation regimes for shoot dry weight and N uptake. The greatest NAE, PAE and PPE were obtained with 14 days irrigation regimes. The highest shoot dry weight, N uptake, NAE, ANR and PAE were observed with UF+BL (1:1) as well as. UF+BL treatment led to increase NAE, ANR, PAE greater than solitary application of them. In conclusion, increase in N and P efficiency and dry matter associated with combined treatment (UF+Bl, 1:1) would help to minimize the use of synthetic mineral fertilizers and represents an environmentally and agronomically sound management strategy.
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