The most effective method of controlling or preventing viral diseases in plants is by
Practising crop rotation
Spraying crops regularly
Planting resistant varieties
Burning affected crops
Correct answer is C
Planting resistant varieties of a plant/crop is the most effective method of controlling or preventing viral diseases since, the varieties can resist viral infections.
Calculate the area of the farmland.
0.32ha
0.36ha
0.47ha
0.52ha
Correct answer is B
No explanation has been provided for this answer.
All but one are related to surface irrigation?
Mole drainage
Natural flooding
Sprinkler irrigation
Check flooding
Correct answer is D
Mole drainage is a subsurface method of draining clay soils that experience regular waterlogging from irrigation or high rainfall.
The illustrated equipment is used for?
Making drills
Marking stations
Marking chain lengths
Making holes for transplating
Correct answer is A
No explanation has been provided for this answer.
The illustrated equipment is called?
Arrow
Harpoon
Wooden peg
Ranging pole
Correct answer is D
No explanation has been provided for this answer.
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