Early adoption of central drain device in India
Earthen pond farmers oxidize soil by grading the pond with a tractor in India
Farmers in Ecuador and India use tractors to grade and aerate pond soil between crop cycles
Staff maneuvering a waste removal pump while walking around inside a grow-out pond in India
A centrifugal pump used to remove sludge in Thailand
PVC pipe attached to central sludge pump in a grow-out pond in Thailand
Timer control box used to control a central sludge pump and auto-feeder in Thailand
In order to break up benthic algae, Chinese farmers drag chains across sand beds in plastic lined ponds. This technique is also used by a few Thai farmers
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