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Forestry
The word Soil means:
Natural body which is composed of a mixture of organic and inorganic matter in which plants and other living organism grow
The unconsolidated mineral material on the surface of earth that serves as natural medium for land plants
Both (a) & (b)
None of these
Author:
rikazzz
Comment
Forestry
Main indicator of soil erosion is:
Deforestation
Afforestation
Ozone layer
Goats and grazing animals
Author:
rikazzz
Comment
Forestry
Conditions or factors which influence the crown closure is:
Manner of formation of tje stand
Quality of soil
Soil moisture
All of the above
Author:
rikazzz
Comment
Forestry
The CFC pollution sources include:
Jet air crafts only
Fire extinguishers and jet air crafts
Refrigerators and jet air crafts
All of these
Author:
rikazzz
Comment
Forestry
The major types of nurseries is:
Bed nursery
Pot nursery
Both (a) & (b)
None of these
Author:
rikazzz
Comment
Forestry
Selection thinning is:
In principle from the two methods already discussed
The dominant trees are removed in order to stimulate the growth of the trees of the lower crown classes
The same kind of vigorous trees those are favoured in crown
All of the above
Author:
rikazzz
Comment
Forestry
The Tarbela catchment erosion has been measured at the rate of _____ meter:
2 to 4 kg/sq
3 to 5 kg/sq
4 to 6 kg/sq
None of these
Author:
rikazzz
Comment
Forestry
Mark the hyperparasite:
Thesium
Tape worm
Bacteria
Balanophora
Author:
rikazzz
Comment
Forestry
The conifers rarely exceed 8 m. In height, the broadleaved trees reach about 9m. And the shrub growth about ______
1 to 3m
1 to 4m
1 to 5m
1 to 5m
Author:
rikazzz
Comment
Forestry
The major steps of natural pruning is:
Killing of the branches
Shedding of the dead branches
Occulusion or healing over of the branch stub
All of the above
Author:
rikazzz
Comment
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