_________ 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.

Related Mcqs:

1. 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

2. 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

3. 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

4. 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

5. 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

6. __________________ 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

7. Color of fertile soil is_____________________?

   A. White
   B. Green
   C. Brown
   D. Black

8. 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

9. The removal of excess water from the ground surface is called:________?

   A. Sub-surface drainage
   B. Surface operations
   C. Drainage
   D. All of the above

   Submitted by: Shafiq Rehman

10. The immobilization and accumulation of the eluviated constituents at some depth beneath the soil surface:________?

    A. Iluviation
    B. Eluviation
    C. Illuviation
    D. Melanization

    Submitted by: Shafiq Rehman