Losses of soil water not includes_________?

A. Direct evaporation from the soil & transpiration from vegetation
B. down-ward drainage
C. Hydroponics loss
D. Surface run-off from the field

Submitted by: Shafiq Rehman

Related Mcqs:

Any material such as straw, sawdust, leaves, plastic films, & loose soil that is spread upon the surface of the soil to protect the soil & plant roots from the effects of raindrops, soil crusting, freezing or evaporation:
A. Mull
B. Mulch
C. Mycorrhizae
D. Muck
Submitted by: Shafiq Rehman
Soil additive which stabilizes the soil, improves resistance to erosion, increases to permeability to air & water, improves texture, eases cultivation or otherwise improves soil quality:
A. Soil amendment
B. Soil conditioner
C. Both a & b
D. None of the above
Submitted by: Shafiq Rehman
Nitrogen & sulphur dioxide liberate from motor vehicles & industries. Nitrogen & Sulphur gases dissolve in the water vapour of atmosphere & form nitric & sulphuric acid. This rain water falls on soil as__________ & contaminates soil also:
A. Acid rain
B. Neutral rain
C. Both A & B
D. None of the above
Submitted by: Shafiq Rehman
Soil moisture and ET losses are_________________?
A. Inversely related
B. Directly related
C. Not related
D. Occasionally related
Soil erosion is __________ of soil from one place ti another place by natural agencies (wind & water):
A. Detachement of soil
B. Transportation
C. both A & B
D. None of these
Submitted by: Shafiq Rehman
Any tillage and planting system that maintains at least 30% of the soil surface covered by residue after planting for the purpose of reducing soil erosion by water:
A. Deep Tillage
B. Conservation Tillage
C. Both a & b
D. None of these
Submitted by: Shafiq Rehman
Water occupied the larger soil pores and moves down readily under the force of gravity. Water in excess of the field capacity is termed:
A. Capillary water
B. Hygroscopic water
C. Gravitational water
D. None of the above
Submitted by: Shafiq Rehman
The soil samples are dried at _______________, for gravimetric soil analysis?
A. 110 ⁰C
B. 120 ⁰C
C. both A and B
D. 105 ⁰C
Submitted by: Shafiq Rehman
The availability of essential nutrients from soil to the plants is controlled by the ________ properties of soil:
A. Physical
B. chemical
C. Biological
D. both A & B
Submitted by: Shafiq Rehman
__________________ systems play a crucial role in increasing soil organic C storage and reducing net emissions of greenhouse gases in addition to soil erosion control:
A. Engineering
B. Agroforestry
C. Cultivating
D. All of the above
Submitted by: Shafiq Rehman