A comprehensive list of Agricultural science questions with answers to help you prepare for JAMB, WAEC, NECO, Post UTME exams.
Which of the following is not a principal of crop rotation?
Deep-rooted crops should be followed by shallow rooted crops
A period of fallow must be provided in the cours of the rotation
A leguminous crop should be included in the system
Crops that can be attacked by the same pest should not follow each other
Correct answer is B
No explanation has been provided for this answer.
Nitrogen deficiency in plants can lead to the following except
Stunted growth
Excessive growth
Lower protein content of crop products
General yellowing of leaves
Correct answer is B
No explanation has been provided for this answer.
Nitrogen may be lost from the soil through the following processes except
Crop removal
Soil erosion
Leaching
Irrigation
Correct answer is D
No explanation has been provided for this answer.
66.7%
60.0%
15.0%
33.3%
Correct answer is D
No explanation has been provided for this answer.
A soil with low pH value can be improved by the addition of
Ammonium sulphate
Calcium carbonate
Sodium chloride
Sodium nitrate
Correct answer is B
No explanation has been provided for this answer.