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 an effect of bush burning on the soil?
Sterilizing soil against some harmful soil micro-organisms
Destroying the structure of soil
Increasing rate of nitrogen mineralization
Predisposing soil erosion
Maintaining high levels of soil nutrients reserves
Correct answer is E
No explanation has been provided for this answer.
Adoption of clean clearing of land in the tropical rain forest is not advisable because it
Encourages erosion and leaching
Is very expensive
Is very difficult to practise
Deprives the farmer of continous use of wood
Encourages compaction of soil
Correct answer is A
No explanation has been provided for this answer.
Lodging in crops is caused by excess supply of
Potassium
Sulphur
Iron
Nitrogen
Sodium
Correct answer is A
No explanation has been provided for this answer.
Nitrogen fertilizer
Phosphorus fertilizer
Potassium fertilizer
Compost
Potassium and calcium fertilizer
Correct answer is E
No explanation has been provided for this answer.
The texture and the mineral composition of soil depend mainly on
Topography
Light intensity
Organic matter
Parent material
Temperature
Correct answer is D
No explanation has been provided for this answer.