Nabteb 2017 Agricultural Science (Obj and Essay) Answers

Promote Your Music On This Platform Contact : Mobile : +2348105987674 BBM:2B1C30ED Email : ADMIN@STARCODED.COM.NGTwitter : @IAMSTARCODED
 

Agric OBJ:
1-10: BCBADCBCAD
11-20: BADABABCC
21-30: DABCBBBADC
31-40: ABBCBADAAA
41-50: DBBBABABCD

 

 

No4

Liming is the application of calcium and magnesium rich materials in various forms including chalk,limestone or hydrated lime.in acts soils,those materials react as a base and neutralize soil activity

 

4b

6 advantages of using liming i.it reduces turbidity in fish ponds through floatation property ii.reduction of soil activity iii.increment of soil organism iv.improvement of soil structure v.reduction of toxic of dissolved copper and maganese vi.availability of phosphorus more readily for tissue development vii.increment of rate of percolation in clay soil
4c.

 

i.BEAN BEETLE:this insect bore holes into grains and eat them up,this include their larvae also capable of burrowing into grains iiGRASSHOPPER:this insect pest possess strong mandible and maxillae(mouth part)which enable it to bite and chew plant part.

 

4ciii.YAM BEETLE:this insect are capable of burrowing into tubers of yam and eat parts of the tubers

4di.

BEAN BEETLE —-reduces quality of stored produce —-reduce the quantity of grains —-reduces farm incomes —-reduces the market value 4dii.GRASSHOPPER —-reduction in save of photosynthesis –reduce growth of plant –reduce yield –it causes death of the plant

Clip to Evernote
Facebooktwittergoogle_pluslinkedinrssyoutubeby feather
Facebooktwittergoogle_plusredditpinterestlinkedinmailby feather

Leave A Comment

Your email address will not be published. Required fields are marked *