PRACTICAL AGRICULTURAL SC.

WAEC AGRIC.SCI PRACTICAL ANSWER

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Friday, 21st April, 2017
Agricultural Science 3 (Practical) 9.30am – 11.00am (1st Set)
Agricultural Science 3 (Practical) 11.30am – 1.00pm (2nd Set)

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KEEP REFRESHING EVERY 5MINS

1a)
i) Nitrogen 
ii)Phosphorus 
iii) Potassium 

1aii)
i)Ring method
ii) side placing
iii) Broad casting

1bi)
i)Control pond algae
ii)It is used to Enrich compost
iii)It is used to Block and control garden pests.

1bii)
i)For neutralizing and reduce soil acidity
ii)It helps in freeing up soil minerals, and making them available
for absorption into the plant

iii)It is used for reducing water acidity

(1c)
(i)it increase organic content of the soil
(ii) it increase soil structure 
(iii) it increase soil perforation 

2ai)
spe I
i)it is used for carring farm produce
ii)it is used for carring farm input eg fertilizer
spe J
i)it is used to sharpern edges of cutlass
ii)it is used to straghten rough edge of farm tools
2aii)
i)store in dry and clean environment or place
ii)wash and clean it after used

2bi)
i)sp K- Elaeis guineensis
ii)sp L- Gossyplum spp
2bii)
palm oil is extracted/gotten from palm fruit that is collected from the farm after collection the palm fruit seeds are removed from the bunch of the palm fruit,the seeds are then heated locally to soften the seed and fibre,it is then passed using a prossing machine or grounded using a locall morter,the seed fibre and oil are then seperated and the oil is heated to satisfaction

3ai)
Stunted growth
Galls on leaves
-It causes diseases to crops
-It decreaases the farm yield
3aii)
-Spray with insecticides
-Uproot and burn infected plants
3bi)

3bii)
-Pod borers
-Bean beetle-Leaf hoppers
4 ai)
3 breeds of farm animal which produce T are
- Brown leghorn
- White leghorn
- Rhoda island red

4 aii )
- It is a source of protein to feed of livestocks
- It is a source of protein to man
- It is a source of income to breeders when sold
- It is a source of calcium to poultry
4 bi )
- It can be harvested by using fishing net
- It can also be harvested by using hook and line
4 bii )
- Oil
- Bone
- Scale
4 biii )
- Sundrying
- Smoking
- Salting
- Canning
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