Q1a)Explain what is meant by Subsistence Agriculture.
b)Discuss briefly Interdependence of agriculture and industry under the Following:-
i)tool, Implement, machinery Industries.
c). What is farm surveying??
Q71a)what is incubation in Poultry Production.
2a)State 2 advantage& 2 disadvantage of natural Incubation.
(b)List 4 factors thataffect pasture establishment in west africa.
(c)In a tabular form, state the Causal organism and 2 symtoms of each of Following diseases of farm animals.
Q3.(a)State 4 characteristics of fartile Soil.
(b)Discuss briefly 3 Factors that affect land availabilities for agricultural production in west africa.
(c)State 4 benefit of draining farm Land.
(d)List 2 sources of Soil Nitrogen.
1a) Subsistence agric is a type of agric that is done on a small scale with minimum use of agro- chemicals. The aim of the farmer is to provide food for the family with little or no commercial purpose. And the yields are low
7ia) Incubation is the process of keeping the fertilized egg for a period of 5-7 days to keep the egg warm. Within this period the embryo develops into a baby bird.
2a) Advantages -chicks hatched naturally tend to be more robust -It’s easier since all the farmer does is to leave the hatching to the mother hen Disadvantages -It’s longer when compared to artificial incubation -not all the eggs are hatched
2b) water, temperature, water,quality of seed, pathogens.
2c)Brucellosis causative org:>bacteria symptoms:> premature delivery, decrease in conception rate Newcastle causative org:>virus symptoms:>twisting of the neck, decrease in feed intake,paralysis of the wings or legs, respiratory difficulties.
3a)-it must contain all the essential nutrients necessary for plant growth -it must be well aerated -it must be well drained -It must not contain harmful microbes and fungi.
3b)I’ll list it. Just useyou head to explain it land ownership system,social factors,economic factors.
3c)-it makes the soilwell aerated -it reduces soil temperature -it supports the decomposition of organic matters in the soil -it reduces soil acidity.
3d) rainfall, nitrogen fixing bacteria,inorganic fertilizers, animal manure
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