Water-erosion can be reduced / controlled by:___________?

A. Provision of surface-cover that intercepts the rain before hitting the soil.
B. Reducing the amount of runoff by promoting infiltration.
C. Both a & b
D. None of the above

Submitted by: Shafiq Rehman

Related Mcqs:

_________ erosion is the removal of a thin layer of soil by water acting over the whole surface. This type of erosion damaged very fertile lands located on slopes, some of which have been eroded to a depth of about 15 cm.
A. Rain splash rill erosion
B. Stream bank erosion
C. Sheet erosion
D. Gully erosion

Submitted by: Shafiq Rehman
Erosion permitting and erosion resisting crops grow alternatively at right angle to the slope of the land is called as:_________?
A. Linear planting
B. Strip planting
C. Cover planting
D. All of the above

Submitted by: Shafiq Rehman
According to one estimate, wind and water erosion over ______ % of the Pakistan’s total area?
A. 46%
B. 36%
C. 76%
D. None of the above

Submitted by: Shafiq Rehman
Which is the correct sequence of soil erosion by water:
A. Rill-Sheet-Gully
B. Gully-Sheet-Rill
C. Sheet-Rill-Gully
D. None of these

Submitted by: Shafiq Rehman
One of the following is not a form of water erosion:
A. Saltation
B. Rainsplash erosion
C. Sheet erosion
D. Rill erosion

Submitted by: Shafiq Rehman
Which one of the following plants prevent soil erosion and reclaim water logged soils____________________?
A. Ber
B. Guava
C. Pome granate
D. All the above
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
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
When sugars heated under controlled conditions in the absence of water, they form an hydro sugar, that readily polymerized to give typical taint and brown pigment this process is called _________________?
A. Mail lard reaction
B. Caramalization
C. Browning
D. Purification