How is the scythe a Holistic Solution?

Combine
Rs 1500/acre
(rent)
Rs 500/acre
(labour)
Rs 0
(threshing costs)
Rs 15000 worth of straw wastage
(roughly 30 quintals per acre)
Rs 3000-4500 worth of grain wastage
(roughly 2-3 quintals per acre)
Rs 21000
(total cost of harvesting an acre)

Sickle
Rs 0
(rent)
Rs 3000-3500/acre
(labour)
Rs 3500/acre
(threshing costs)
Straw wastage almost zero
(entire straw available as fodder)
Grain wastage almost zero
(grain loss due to shedding is negligible)
Rs 6500-7000
(total cost of harvesting an acre)
