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Monday, 23 April 2012

WAEC, AGRIC PRACTICALS, QUESTIONS, AND ANSWERS, 2012

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WAEC AGRICULTURAL SCIENCE SPECIMENS 2012

A===> Organic manure

B===> Inorganic manure

C===> Sandy soil

D===> Clay soil

E===> Crucible

F===> Source of heat/Bursen Burner

G===> Weighing Balance

H===> Cultlass

I===> Hoe

J ===> Shears

K===> Rake

L===> Watering can

M===> Shovel

N===> Groundnut seeds

O===> Maize seeds

P===> Guinea corn seeds

Q===> Aphids

R===> Lantern/Huricane lamp

S===> Chicken egg

T===> Tick

U===> A chart showing a pig/Hand drawing of a pig.


 
2012 AGRIC QUESTION AND ANSWER
 
(specimen A-organic manure)
USES

1. poultry dr0pping

2. cow dung

3. farm yard manure

4. compost manure

5. ash
(SP B INORGANIC MANURE) are synthesized artificially USES: 1.N.P.K Fertilizer

2. Ammonium sulphate

3. sodium

4. urea

5. calcium ammonium nitrate

6. super phosphate

7. lime
ADVANTAGES AND BENEFIT OF A

1. It supplies nutrient to the crops

2. It increases soil fertility

3. It binds soil particles together.

4. Amproves soil structure

5. It increases the yield of crops

6. It acts as a buffer in the soil.
METHODS OF APPLYING A. 
Padcasting, spraying, side dressing, band methods.
 
EXPERIMENT TO FIND THE PERCENTAGE OF HUMUS CONTENT IN THE SOIL.
Mass of crucible=xg mass of cruable+drysoil=yg mass of drysoil=y-x=A(g),mass of dry soil alterlating=z-x=B (g),mass of humus=A-B % of humus=A-B/AX100.

EXPERIMENT TO FIND THE % OF SOIL WATER METHOD:
Initial mass of the soil is recorded and heated in a crucible the mass is recorded after heating and the mass of water is recorded.


Mass of crucible= X (g), mass of curable + fresh soil=Y-X=A(g),mass of crucible+heated soil=Z (g),mass of dried soil=Z-X=B (g),mass of water=(A-B) (g) (SPECIMEN H-CUTLASS) LIST eight uses, (SPECIMEN I- HOE) list 5 uses (SPECIMEN J) list 5 uses (SPECIMEN) list 5 uses(SPECIMEN L) list 3 uses (SPECIMEN M) list5 uses
(MAINTENANCE OF H,I,J,K,L& N)

1. Clean and dry after use


2. straighten bent blade


3. Rub the metal with oil


4. Avoid rough handling


5. keep in cool dry place
(SPECIMEN N- GROUNDNUT)
botanical name= ARACHIS HYPOGEA,varieties

1.castle carry

2. kano local

3. kano 50

4. samuru 38,soil requirement= 1. sandy, loamy and highly acidic to neutral.
PROPAGATION: seed,
PEST: aphid, roden CONTROL
1.spray with insecticide
2.setting of traps
3.early harvest ,
DISEASES=>
1. rosette disease(virus)=>

2. tikka disease

3. Aspergillosis

4. seed rot (fungus) (SPECIMEN O) botanical name: ZEA.
varieties=duet maize,sweet,corn
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