WAEC 2018 AGRICULTURAL SDCIENCE OBJ/THEORY ANSWERS-MAY/JUNE - EXAMWAVES

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Monday 30 April 2018

WAEC 2018 AGRICULTURAL SDCIENCE OBJ/THEORY ANSWERS-MAY/JUNE

(1ai)
Basic Ammenities:
-It makes able bodied me to migrate from rural to urban areas in search of job
-Poor processing facilities for farm produce
-Shortage of water for irrigation purposes for all season cropping
-Poor health services reduces the productivity of farmers

(1aii)
Farm inputs:
-Available farm inputs are of inferior quality,outdated and crude
-Farm inputs like chemicals,fertilizers,tools and implements are grossly inadequate
-Modern farm inputs are not produced in Nigeria
-Farm inputs are expensive to buy and maintain

(1bi)
Tractor:
-Used for drawing farm implements like plough,harrows,ridgers etc
-It has hydraulic control system which aids the lifting of coupled implements
-It can be used to carry harvested crops or other farm products from the farm to the market

(1bii)
Buldozzer:
-For bush clearing
-For felling trees and stumps
-For levelling ground

(1c)
-Service at regular interval
-Replace worn out or weld broken parts
-Adhere strictly to manual or manufacturer's instruction
-Routine and regular changing of oil

2A
.i. The main cause of soil acidification is inefficient use of nitrogen.
.ii. export of alkalinity in produce.
.iii.over grazing
.iv. Soil acidifies because theconcentration of hydrogen ions in the soil increases.
.v. Lack of manure
4a)
Land tenure can be defined as the manner in which a party holds or occupies an area of land.

4b)
A weed may be defined as any plant or vegetation that interferes with the objectives of farming or forestry, such as growing crops, grazing animals or cultivating forest plantations.



6d)
-Inadequate for land tenure system
-inadequate  finance and credit facilities
-poor marketing system
-inadequate farm input

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