Abstract
In general human energy is used in small farms for doing fieldwork (tilling, aerating and weeding). But availability of skilled workers is less during the time of exigencies. Controlling the weeds is one of the laborious steps in crop cycle. With high labour charges and more time needed, complete hand weeding is uneconomical. In the present work comparative evaluation of an ergonomically designed wheel weeder was made with that of conventional weeding tools viz. trench hoe, spade and wheel weeder available in market. Travel speed, field efficiency, field capacity, working capacity, weeding efficiency and plant damage were calculated. Results indicate that ergonomically designed weeder is superior compared to trench hoe, spade and conventional wheel weeder. It reduces drudgery. It is economical and reduces drudgery as well. It operates up to a depth of 22 to 35 mm with a field capacity of 0.0038 ha/h. Hazard occurrence was also low.
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