(a) What class of manure do each of specimens A (POULTRY DROPPINGS) and B (N-P-K 15-15-15) belong to? [2 marks]

(b) List three characteristics of each of specimens A and B. [6 marks]

(c) List two precautions to be observed when applying each of specimens A and B. [4 marks]

(d) State which of the specimens is recommended to improve clay soil. Give two reasons for your answer. (3 marks]