Waec Gce 2017 Agric Science Practical Answers – Nov/Dec Expo
AGRIC PRACTICAL SOLUTIONS
It is used to seperate sands from stones
It should be clean after used
It should be kept in a cool dry place
If it made up of metal, It should be grease before long time store
i Clay – 0.002mm
ii SIlt – 0.002mm – 0.02mm
iii Find sand 0.02mm – 0.2mm
iv Coarse sand – 0.2 – 2mm
Application of slake lime
Application of quick lime
Application of ash
Application of limestone
Application of organic manure
It provides a balancing effect for the plough as it support both vertical and side thrusts.
It holds disc firmly to the beam
It holds the disc firmly to the beam
It is a point of attachment to the tractor or work animal
it rotates and cut the soil into vertical and horizontal upside down for agricultural activities.
2d)this is a particular implement used for turning the soil upside down into lumps for farming purpose.
2e)-wash and clean after use
-store in a cool dry place
-always do periodic checks before and after use to increase life span.
-grease metal parts or joints to prevent excessive friction
-tighten all bolts and nuts in the machine
IV)leaf with parallel vein
3b)propagated by seed
-maybe planted manually
3c)the husks can be removed from the cobs
-shelling should be done to remove grains from the cobs.
-winnowing is done to remove dirt from the grain.
3d)use of corn-picker
3f)breeding of resistant varieties.
-applying recommended fungicides.
-it leads to loss of blood.
-it causes liver rot
-it obstructs the bile duct
-it may result in death
-it lead to digestive disturbance
-heart water diseases
4e)dipping of the animal.
-animals should be kept in a clean surrounding.
-ticks should be hand picked from the body of the host animal
-practice rotational grazing or paddocking
-animal bedding should be changed regularly.
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