WAEC 2021 Agricultural Science Practical And Essay Answer – Aug/Sept Expo «

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*WAEC AGRIC. SCIENCE PRACTICAL SPECIMEN* :

Specimen A – Rake
Specimen B – Shears
Specimen C – Shovel
Specimen D – Cutlass
Specimen E – Whelbarrow
Specimen F – Clay soil
Specimen G – Loamy soil
Specimen H – Sandy soil
Specimen I – Earthworm
Specimen J – Onion
Specimen K – Tomato
Specimen L – Carrot
Specimen M – Amaranthus
Specimen N – Okro
Specimen O – Spinach
Specimen P – Dried animal blood(labelled)
Specimen Q – Bone meal(labelled)
Specimen R – Rice bran
Specimen S – Catfish

(1a)
shear is a cutting implement that looks like a long pair of scissors. Also like scissors, this form of the noun is usually plural. You can cut metal, prune a tree, or cut up a chicken with shears. In farming, when you remove wool from a sheep, goat, or even a llama, you shear the animal.

(1b)

(1c)
(i) Clean After Use
(ii) Store In Cool Dry Place

(1d)
(i) Hoes
(ii) Hand Trowel
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(2a)
TABULATE PLS

SPECIMEN E;
(i) It is liquid
(ii) Rich in Nitrogen
(iii)It decreases cadbium concentration in the soil
(iv) It gives lower shoot dry matter
(v) It can be applied through irrigation system
(vi) It is an inorganic substance

SPECIMEN G;
(i) It is solid 
(ii) Not rich in Nitrogen
(iii) It does not decreases cadbium concentration in the soil
(iv) It gives higher shoot dry matter
(v) It can not be applied through irrigation system
(vi) It is an organic substance

(2bi)
Nitrogen

(2bii)
(i) NPK Fertilizer 15:15:15
(ii) Nitrate 
(iii) Ammonia

(2c) 
(i) It can damage plants
(ii) It impedes seed germination
(iii) It is not stable
(iv) It affect seedling growth
(v) It affect early plant growth in the soil
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(3a)
(i)Specimen H: Centrosema pubescens

(ii)Specimen I: Pennisetum purpureum Schumach.

(iii)Specimen J: Pueraria phaseoloides

(3b)
(i)Specimen H: is propagated by seed

(ii)Specimen I: is propagated vegetatively through stem cuttings

(iii)Specimen J: is propagated by seeds

(3c)
(i)It is a vigorous twining, trailing and climbing perennial legume. 
(ii)It has a deep root-system with tap roots and lateral roots. 
(iii)It Leaves are dark green and trifoliate 
(iv)Leaflets are ovate, 4 cm long x 3.5 cm broad.
(v)It Flowers are borne in axillary racemes, are bright or pale lilac with violet stripes. 

(3d)
(i)It is used for traditional animal feed, 
(ii)It is used for pest management
(iii)It is used for improving soil fertility
(iv)It is used for protecting arid land from soil.

                        COMPLETED

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