Waec 2017 Agricultural Science Practical Answer Now Available

AGRIC PRACTICAL SOLUTION

1 a )
i ) Nitrogen
ii )Phosphorus
iii) Potassium
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1 aii )
i )Ring method
ii ) side placing
iii) Broad casting
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1 bi )
i ) Control pond algae
ii ) It is used to Enrich compost
iii) It is used to Block and control garden pests .
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1 bii )
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
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1 c )
i )it increase organic content of the soil
ii ) it increase soil structure
iii) it increase soil perforation
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2 ai)
specimen I
i )it is used for carring farm produce
ii )it is used for carring farm input eg fertilizer

specimen J
i )it is used to sharpern edges of cutlass
ii )it is used to straghten rough edge of farm tools
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2 aii )
i )store in dry and clean environment or place
ii )wash and clean it after used

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3 ai)
– Stunted growth
– Galls on leaves
– It causes diseases to crops
– It decreases the farm yield
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3 aii )
– Spray with insecticides
– Uproot and burn infected plants
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3bi)
i) Used as cover crop to check erosion
ii)It helps in nitrogen fixation in the soil
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3 bii )
– Pod borers
– Bean beatetle
– Leaf hoppers

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4 ai)
3 breeds of farm animal which produce T are
– Brown leghorn
– White leghorn
– Rhoda island red
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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
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4 bi )
– It can be harvested by using fishing net
– It can also be harvested by using hook and line
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4 bii )
– Oil
– Bone
– Scale
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4 biii )
– Sundrying
– Smoking
– Salting
– Canning
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COMPLETED
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iv) odourless

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