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Soil Science
A treeless artic plain is called as _______?
Barren land
Glaciers
Tundra
None of these
Author:
rikazzz
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Soil Science
The exact formula for calculating the base saturation percentage is _______?
Bas saturation percentage = CA+Mg+Na / CEC x 100
Bas saturation percentage = /CEC / CA+Mg x 100
Bas saturation percentage = /CEC / CA+Mg+Na x 100
None of these
Author:
rikazzz
Comment
Soil Science
The chemical formula of Hematite is _______?
Fe OOH
Fe2O3
AL (OH)2
None of these
Author:
rikazzz
Comment
Soil Science
Common soils found in Pakistan are _______?
Inceptisols
Arid soils
Entisols
All the above
Author:
rikazzz
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Soil Science
The device used for the measurement of positive pressure potential of soil water is known as _______?
Tensiometer
Lysimeter
Piezometer
Barometer
Author:
rikazzz
Comment
Soil Science
Igneous rock whose crystal is 1 cm called _______?
Felsic
Plutonic
Pegmatitic
Mafic
Author:
rikazzz
Comment
Soil Science
TSP contains _______?
40%P
46%P
14%
50%P
Author:
rikazzz
Comment
Soil Science
Geochemical weathering processes occurs _______?
At the level
Below soil solum
On surface
On the mountain
Author:
rikazzz
Comment
Soil Science
Tuff is _______?
Water
Soil
Volcanic ash
Consolidated ash
Author:
rikazzz
Comment
Soil Science
Permanente wilting point of clayey soils is not less than _______?
5%
10%
20%
15%
Author:
rikazzz
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