2018 NECO GCE Agricultural Science Obj And Theory ANSWERS
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1.drip irrigation is a process in which the distributing pipe has holes to supply water while sprinkler irrigation is a process in which a nozzle is attached in the pipe to spread it
2.drip irrigation disturbes water at your given desirable place while sprinkler irrigation moves round in circles or in a same path.
Agricultural insurance is a valuable business risk management tool that provides farmers with financial protection losses caused by natural perils,such as drought, excessive moisture, hail ,frost ,wind and wildlife
9ci) Agricultural Credit is defined as a type of financing used to provide funding for agricultural producers. This may be in the form of letters of credit, loans or banker’s acceptance documents. This is generally used to provide investment from outside resources to the farming sector.
9cii) An agricultural subsidy (also called an agricultural incentive), is a government incentive paid to agribusinesses, agricultural organizations and farms to supplement their income, manage the supply of agricultural commodities, and influence the cost and supply of such commodities. *NO1c*(ii)
1. If the land is too sloppy, there are high chances of landslide occurrence; and if it is too flat, there is likelihood of poor drainage that leads to flooding. A relatively flat free drained area is most suitable.
2. Prevailing winds and rainfall: Windbreaks are put perpendicular to the direction of wind to reduce wind velocity. Strong winds can destroy buildings. Site the farm buildings facing away from the direction of wind,and away from the direction of prevailing rains in order to minimize chances of water entering the buildings.
3.Soil type: Soil characteristics and strength determine its ability to withstand stress exerted by a building. Erect structures on firm, well-drained soils.
(i) Apply muzzle
(ii) Do not overwork drought animals
(iii) Treat animals fairly to prevent them from being hostile
(iv) Keep them in a healthy environment
(v) Feed and provide them with adequate water
(vi) Make sure that animals are healthy
(i) The land use act(Decree) was promulgated by the Federal Military Government of Nigeria on March 29, 1978.
(ii) It takes care of inadequacies inherent in land ownership in Nigeria
(iii) It is a reform essentially aimed at encouraging proper, productive and efficient use of land
(iv) The decree stipulate that individual can only use a piece of land for 99 years after which the land reverts to the government.
(i) Locate facilities in the walking distance.
(ii) Provide good roads for easy transportation of farm products.
(iii) Easy accessibility and evacuation of farm products.
(i) Animal quarters should be located far away from the staff living quarter.
(ii) It determines the location of farm buildings and structures.
(iii) The buildings are usually located on the way
Animal improvement refers to the ways of developing and breeding only those animals that show the greatest merit under consideration such as good feed conversion, growth rate, disease resistance, egg size etc.
(i) To produce animals with high growth rate.
(ii) To produce animals that are resistant to parasite and diseases.
Queen – To lay eggs.
Worker – To feed the caste.
(i) Availability of water.
(ii) Availability of clay soil.
(iii) Vegetation of the area
(i) They are high in fibre.
(ii) They are low in protein.
(i) Loss of appetite
(ii) High fever
(iii) Loss of weight
(iv) Difficult breathing
(i)Drainage ensures that the soil is properly aerated.
(ii)Drainage reduces soil and nutrient loss from runoff and can help avoid soil erosion.
(iii)Drainage on hill slopes helps to reduce the risk of soil slippage.
Symbiosis is a close relationship between two species in which at least one species benefits. While Parasitism is a relationship in which one species (the parasite) benefits while the other species (the host) is harmed.
Symbiosis ——– The relationship between cattle egrets and cattle.
Parasitism———– Tick and cattle
(i)Houses are built on farmland
(ii)Pollution destroy farmland
(iii)Social building are built on farmland
(i)For planning purposes
(ii)For staying within budget
(iii)identifying a company’s information holdings.
(i)It is cheap
(iii)Used for peasant farming
(i)It is expensive
(iii)Used for commercial farming
(10d) (i)For Nigerians By Nigerians.
(ii)International Fund for Agricultural Development.
Planting date on the feild: cocoa seeding are transported to the field between April and June during the rainy season
Rainfall requirement: The distribution of annual rainfall for regions in which cocoa is grown is 1250-3000 mm per year. The rainfall must be well distributed and any dry period should be no longer than three months. Annual rainfall greater than 2500 mm may result in a higher incidence of fungal diseases.
(i)Mulching: light mulch to prevent loss of moisture. Mulching also moderates soil temperature.
(ii)Watering: done immediately after planting and thereafter water regularly early in the mornings and late in the evenings.
(iii)Weed control: to keep the nursery bed completely weed free by uprooting all the weeds.
Harvesting involves removing ripe pods from the trees and opening them to extract the wet beans. Pods are suitable for harvest for 3 to 4 weeks, after which time the cocoa beans begin to germinate.
(i) It allows good fruiting of pumpkins
(ii) To keep the fruit from disease
(iii) To help it stand erect
(i) Regular weeding
(ii) Use of Resistance varieties.
(iii) Control of disease of crops
(i) It is erect and of about 3.5m tall
(ii) It is perennial grass with like sugar and dull green, purplish leaf blade
(i) It is a climbing and a perennial legume
(ii) It has densely having stems and leaves
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