Subtopic: Functional requirements, principles of working, construction and operation of manual, animal, tractor and renewable energy operated equipment for tillage, sowing, planting, fertilizer application, inter-cultivation, spraying, mowing, chaff cutting, harvesting and threshing
Question Statement:
Cono-weeder (rotary paddy weeder) is operated manually in wetland paddy to:
Options:
(A) Uproot and bury weeds between SRI planted rice rows while aerating the puddled root zone
(B) Harvest ripe paddy grains
(C) Broadcast chemical fertilizers
(D) Drain the paddy field
Answer Key:
A
Step-by-Step Solution & Explanation
Cono-weeders have conical rollers with serrated teeth that churn and uproot young weeds, trampling them as green manure.