- if the farm is very large hence cost effective
- If the crop is very closely paced
- Crops being thorny or stingy
- If the farm is waterlogged
-If weeds have underground structures assisting in faster vegetative, propagation
- In Case the farm is infested by dangerous plants or animals e.g stinging nettles, safari ants and snakes like in sugarcane plantations.
- In case the farm is on very steep slope.
Kavungya answered the question on June 13, 2019 at 08:14
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