Yield and Water Productivity of Capsicum under Different Concentrations of Treated Municipal Wastewater
Yield and Water Productivity of Capsicum under Different Concentrations of Treated Municipal Wastewater
Shahid Hameed Khan Khalil1, Adnan Shakeel1, Ghani Akbar1, Muhammad Asif2, Ashraf Khan3* and Zafar Islam1
ABSTRACT
The use of wastewater in agriculture sector is growing worldwide because freshwater resources are depleting. Waste water is considered suitable for growing vegetables after appropriate treatment. A field experiment was conducted to investigate the yield response factor of capsicum to different concentrations of municipal wastewater treatments through bioremediation. Four irrigation treatments were applied by using potable and wastewater in different ratios. These treatments were T1, T2, T3 and T4 (100% treated wastewater, 66% treated wastewater and 34% potable water, 34% treated wastewater and 66% potable water and 100% potable water respectively). In treatment T1, the highest yields and crop water productivities of capsicum were 46.43 tons/ha and 9.43 Kg/m3 in 2017 while 46.56 tons/ha and 9.49 Kg/m3 were obtained in 2018 respectively. Results showed that yield response factor and water productivity of capsicum irrigated with treated waste water was 18% and 16% in 2017 and 2018 respectively which was higher than potable water. The level of essential nutrients in the waste water is higher as compared to potable water. From results it was concluded that waste water can be used for growing capsicum for increasing yield and water productivity.
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