a. Outline four steps involved in the planting of cassava stem cuttings

b. State three uses of cassava tubers

c. If yam is cultivated at a spacing of 100 cm by 100 cm on 1.5 hectares of farmland and each yam tuber weighs an average of 3.5 kg after harvesting, calculate the:
i. expected number of yam plants on the farmland

ii. total weight of yam tubers harvested in kilogramme

d. Distinguish between diet and ration in animal nutrition