Groundnut require a coarse texture sandy- loamy soil,which is slightly acidic to neutral,that is ,PH range of 5-7. The soil should be rich in calcium and phosphorus which are needed for pod formation.
(2aii)
Method of propagation is By seeds
(2aiii)
(i)40-60cm × 20cm for the creeping type
(ii)60cm × 15cm for the bunch type
(2aiv)
(Choose Two)
(i)Groundnut rosette disease
(ii)Tikka disease
(iii)Aspergillsis Havus
(2v)
Harvesting is done when the lower leaves turn brown and begins to fall. Harvesting is done by using native hoes or by pulling the plants up by hand
(2avi)
(i)Drid groundnut can be stored in clean rhumbus or silos
(ii)The unshelled pods are stored in sacks while the shelled nuts are stored in bags
(2bi)
Agricultural pollution is defined as release of toxic or harmful substance into the environment by neutral forces or man and other animals to an extent that causes biological damages to man and his resources
(2bii)
(i)Air pollution
(ii)Water pollution
(iii)Land pollution
(iv)Noise pollution
(2c)
(Choose Any Four)
(i)Some beneficial insects and soil organisms may be destroyed
(ii)The chemical used may be toxic to man and domestic animals
(iii)It may leave undesirable residue in the environment
(iv)Some areas washed out of soil to rivers and stream where they can endanger aquatic life and cause pollution
(v)empty containers could be a source of poisoning when used as containers for consumable
(3a)
Plant population = land area/planting distance x number of plant per stand/1
1 hectare = 10000m2
.:. 3.6 hectare = 3.6 x 10000
= 36000m
1m = 100cm
36000m = 36000 x 100 = 3600000
Using the formular
3600000/3600 x 1/1
= 1000
= 1000 seedlings
(3b)
(i) It keeps the fruits above the ground.
(ii) It helps in producing healthy fruits.
(iii) There are comparatively loss chances from incidence of pests when tomato plant is staked
(3ci)
Physical Factors:
(i) soil fertility
(ii) soil drainage
(iii) slope angle
(3cii)
Economic Factors:
(i) distance from markets
(ii) demand for different uses.
(iii) Transport facilities
(3d)
(i) barberry
(ii) lavender
(iii) beech
(iv) hemlock
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