WAEC Agricultural Science Past Questions & Answers - Page 32

156.

A farmer practices crop rotation in order to

A.

Reduce yield

B.

Improve soil texture

C.

Increase pest incidence

D.

Improve soil fertility

Correct answer is D

No explanation has been provided for this answer.

157.

Which of the following practices will improve clay soil?

A.

Use of acid-forming fertilizers

B.

Bush burning

C.

Addition of sodium chloride

D.

Addition of organic material

Correct answer is D

No explanation has been provided for this answer.

160.

Microorganisms that decompose organic matter will function best under 

A.

Waterlogged soil condition

B.

Anaerobic soil condition

C.

Low soil tempertaure

D.

Optimum soil PH

Correct answer is D

No explanation has been provided for this answer.