Development of knapsack sprayer engine operated paddy weeder

Farming comprises of land preparation, sowing, plant protection, harvesting and post harvesting. The power source of farm machinery in every aspect is an engine, which is the costliest one in relation with the remaining parts of that machinery. If we could use the same source of power for different aspects, investment could be benefitted with multipurpose operations. Most of the farmers own some frequently required equipment like sprayer for fertigation.