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:
In a zero-till seed-cum-fertilizer drill, the inverted-T furrow openers are designed to:
Options:
(A) Create a narrow micro-furrow through standing crop stubble with minimal soil disturbance
(B) Plow the entire field $20\text{ cm}$ deep
(C) Invert the topsoil profile
(D) Grind surface rocks
Answer Key:
A
Step-by-Step Solution & Explanation
Inverted-T boots slice cleanly through residue, placing seed in moist soil with wings that trap humidity without wide trenching.