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:
A rotary hoe (rotary hoe cultivator) is most effective when used for:
Options:
(A) Breaking crusted surface soil and uprooting tiny weed seedlings in the white-thread stage
(B) Deep plowing in hard clays
(C) Harvesting potatoes
(D) Mulching straw
Answer Key:
A
Step-by-Step Solution & Explanation
Rotary hoes shatter topsoil crusts and kill weed germlings before crop emergence or at early spike stages without injuring crops.