1ai.Explain the term commercial farming aii.Mention two agricultural produce used by each of the following agro-based industries:
canning industry;beverage industry;feed mill. bi.State two aims of each of the following organizations involved in agricultural development in West Africa:
International Livestock Centre for Africa (ILCA);
International Institute for Tropical Agriculture (IITA)
bii.What is surface irrigation? biii.Describe the following horizons of the soil profile:HorizonA and HorizonD
2(a) What is soil consistency?
2(b) Explain how each of the following soil properties influences crop growth:
(i)soil texture
(ii) soil pH.
(c) (i) List four methods by which soil fertility could be maintained.
(ii) Explain two ways in which each of the methods listed in
2(c)(i) contributes
to the maintenance of soil fertility.
(3ai) Define the term soil tillage.
(ii) Distinguish between primary tillage and secondary tillage.
(b) Outline three roles of each of the following soil management practices:
(i) Green manuring;
(ii) Mulching.
(c) Give six reasons for carrying out irrigation in crop production.
(4a)(i) Define vegetative propagation.
(ii) Give three advantages and three disadvantages of vegetative propagation.
(b) State four cultural methods used for controlling crop pests in the field.
(c) Enumerate four harmful effects of chemical pest control.
(5a) Distinguish between a field pest and a storage pest.
(b) Give two reasons for early harvesting of maize from the field.
(c) Describe each of the following methods of crop improvement:
(i)introduction;
(ii) cross breeding.
(d) List six factors that should be considered in selecting a crop variety for your locality.
(6a) State four ways in which rangeland is important in livestock production.
(b)State two benefits of each of the following management practices in animal production:
(i)dipping;
(ii)vaccination;
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