NECO AGRICULTURE ANSWER

NECO Agricultural Science Practical Answers 2019

1a)
A: is knapsack sprayer
B: is watering can
1b)
i)Carry out a pre-operation service and prepare the sprayer for
the job.
ii)Mark out a 25m2 calibration plot in the area to be sprayed
with a peg in each corner (the 25m2 can be any configuration
– e.g. 5m x 5m, 12.5m x 2m, 25m x 1m or 16.6m x 1.5m, or
any other combination to give 25m2).
iii)Fill the sprayer to a known level, or use a permanent marker to
mark the tank and fill it to that line.
1c)
Early stage
1d)
Knapsack sprayer
1e)
Spec A
i)it has nozzle
IiIt is calibrated
Spec B
i)It has handle
ii)It has a spout
2a)
C: Sandy soil
D: Loamy soil
E: Clay soil
2b)
Spec C
i)planting cover crop
ii)application of compost
Spec E
i)planting cover crop
ii)application of compost
2c)
i)clay particles are fine powdery and smooth when dry
ii)the particles are sticky and mouldy when wet

(2d)
(i) Hand texture method
(ii) Separation by sieving
(iii) Separation by sedimentation
(2e)
(i) It is rich in organic matters
(ii) It’s dark nature brings about decaying of organic matters
(iii) It is contains high amount of soil micro organisms
=================================
(3a)
F – Yam tuber
G – Cassava Root
H – Ginger rhizome
(3b)
F – root tuber
G – stem tuber
H – rhizomes
(3c)
Specimen F:
(i) yam mosaic disea
(ii) yam rot
Specimen G:
(i) cassava mosaic virus
(ii) Bacteria blight
(3d)
Specimen F – tubber
Specimen G – stem
Specimen H – rhizome
(3e)
(i)ginger drink
(ii) ginger coffee
=====================================
(4a)
Specimen I – broiler
Specimen J – catfish
Specimen K – snail
(4b)
(i) Gumboro disease
(ii) Fowl pox disease
(iii) Newcastle disease
(4c)
(i) Scales
(ii) Eyes
(iii) Mouth
(iv) Fins
(4d)
(i) They are micro decomposers
(ii) Source of food(protein)
(iii) Source of income to the farmers.
(4e)
(i) Dropping
(ii) Feather
(4f)
Specimen J – Smoking
Specimen K – Drying

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