Agric Science Obj & Theory answers Jan/Feb Gce runz 2018 – Verified expo, runz, chokes – bmasterz
Agric Science Obj & Theory answers January Gce runz 2018 – 2018 January GCE verified Agricultural science objectives and theory questions and answers below.
|Agric Science Obj & Theory answers Jan/Feb Gce runz 2018 – Verified expo, runz, chokes – bmasterz|
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COMPLETED NO1 SOLUTION
Farm surveying is the process of measuring and mapping out the position, height, size and boundary of an area of farmland.
i)It helps to know the size or hectare of a farmstead
and the arrangement of land for proper usage without the risk of land degradation.
ii)Farm surveying help to make proper use of resources available and also to project the maximum profit achieved.
iii)Results of farm survey can be used as collateral for security loan from financial institutions.
iv)Absolute and relative positions of points on the farm and earth’s surface can be determined.
v)The topography or gradient of the farm land can also be determined.
x)It enables the farmer to lay his farm into plots.
1ci)It is used for measuring small offsets from the survey line when the work is of an ordinary nature.
1cii)Gunter’s chain or the surveyor’s chain is a distance measuring device used for land survey.
prismatic compass is a navigation and surveying instrument which is extensively used to find out the
bearing of the traversing and included angles between
them, waypoints and direction.
iv)Measuring tape is used in measuring angular distances.
v) Theodolite is used to measure horizontal or vertical angles or planes
i)The initial cost of a machine is high. An idle machine is a waste.
This wastage is greater, if the machine is costly.
ii)Adoption of certain machines will lead to unemployment.
iii)Clerks can more easily be trained in new methods and
systems. In case of machines for specialized jobs, if the systems are changed, it is difficult to make use of them in the new system.
iv)Machines are subject to break-down and lie idle when electricity fails (if it is electrically operated).
v)Depreciation charges are high; this will reduce the profit.
x)Certain types of machines may become obsolete within a
short span of time.
(i) It provides food for human
(ii) It checks soil erosion
(iii) It brings about vegetation cover
(iv) It brings about rainfall
(v) Forest improves soil fertility
(vi) It creates job opportunities
(i) Oganic manuring:
– It improves the activities of the soil micro organisms
– It improves soil fertility
– It improves yield
(ii) Bush burning:
– It exposes the soil to sunlight
– It destroys soil microorganisms
– It reduces soil fertility
– It enhances soil aeration
– It helps to mix the soil with organic matters
– It also improves the activities of the soil micro organisms
(iv) Clean clearing:
– It reduces the effects pof parasites and diseases
– It reduces soil fertility
– It helps for easy cultivation and harvest
ABOUT WAEC : The West African Examinations Council (WAEC) is an examination board that conducts the West African Senior School Certificate Examination, for University and Jamb entry examination in West African countries. Established in 1952, the council has contributed to education in Anglophonic countries of West Africa (Ghana, Nigeria, Sierra Leone, Liberia, and the Gambia), with the number of examinations they have coordinated, and certificates they have issued. They also formed an endowment fund, to contribute to the education in West Africa, through lectures, and aid to those who cannot afford education
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