Soil Science

Soil Science
Mean annual precipitation for tundra region is _______?
150-70 cm
70-80 cm
0-50 cm
None of these
Author: rikazzz Comment
Soil Science
Father of agricultural chemistry is _______?
Vonliebig
Neuron
Neil Brady
J. jones
Author: rikazzz Comment
Soil Science
The particlesw density of a mineral soil is about _______?
2550 Kg m-3
2750 Kg m-3
2650 Kg m-3
None of these
Author: rikazzz Comment
Soil Science
Vertical movement of water was studied by _______?
Kohler
Darcy
Ziebig
Niel
Author: rikazzz Comment
Soil Science
The little clay mineral is _______?
Expending
Non-expending
None or little expending
None of these
Author: rikazzz Comment
Soil Science
Chromium (Cr) is a _______?
Secondary element
Macro element
Heavy metal
Free element
Author: rikazzz Comment
Soil Science
Gravimetric water is present in _______?
Mesopores
Macrospores
Microspores
Nanopores
Author: rikazzz Comment
Soil Science
The science of growing terrestrial plants in an aerated solution is known as _______?
Hydrology
Nutrient film technique
Hydrants
Hydroponics
Author: rikazzz Comment
Soil Science
Formula used for the calculation of sodium absorption ratio is _______?
SAR=Na / [(Ca+Mg)1/2] Na x 2
SAR=Na / CEC x 100
SAR=Na / CEC x 100
None of these
Author: rikazzz Comment
Soil Science
Soil structure without aggregation is known as _______?
Granular
Platy
Massive
Both B and C
Author: rikazzz Comment

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