A) Use less water for crops
B) More irrigation facilities
C) Bio-treated wastewater reuse
D) Drip and Sprinkle Irrigation
Correct Answer: C
Solution :
The 'Water4crops' is one of the technology initiatives between India and European Union. The project also proved that the construction of wetland reduces the amount of pollutants, chemical oxygen demand (COD) in wastewater by 30-92 per cent.
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