(a) Explain the following terms used in agricultural ecology:

(i) Soil texture

(ii) Soil profile.

 

(b) (i) Discuss three advantages of grafting.

(ii) Mention two crops that could be propagated by grafting.

 

(c) State four cultural practices that could be used to replenish nutrients in the soil.

(d) List four measures that could be adopted by farmers to control pests in grain stores.