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1. Dear Asha, Keeping in view

Dear Asha,
 
Keeping in view the interest and business model of the farmer and the location in Tamil Nadu, the following is suggested:
 
1. As you want to keep the use of electricity to the minimum, the first option is to go for a rainwater harvesting pond(s) at the suitable locations in the farm. These can be surface storage or with the covered surface to reduce evaporation. Water from these sources may be used through electric/ solar powered pumps to the nearby locations. This will improve the aesthetic value of the plantations and help in improving the bio-diversity.
2. In case this water is inadequate, a bore-cum-dug well may be constructed with dug well of a reasonable depth, followed by bore well to the water bearing aquifer. The dug well also helps in capturing additional recharge to the location. You can also direct runoff from the surrounding area through suitable outlet finally passing through a filtration-cum-recharge structure.
 
Additional technical help may be obtained from WTC of TNAU, Coimbatore.
 
Hope this is helpful.
 
Best regards.


Bharat R Sharma
Senior Researcher-I & Head
International Water Management Institute
New Delhi-110012

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