Soil erosion is __________ of soil from one place ti another place by natural agencies (wind & water):

Related Mcqs:

1. 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...

2. _________ 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...

3. 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...

4. 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...

5. 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...

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. About 40% of the total area of Pakistan is affected by wind erosion. this includes:_________?

   A. Thal, Cholistan B. Parts of Mianwali and D.G C. Tharparkar & vast areas of Balochistan D. All of the above Submitted by: Shafiq Rehman...

8. The first mechanism to start in the wind erosion is_________?

   A. Creep B. Saltation C. Siltation D. None of these Submitted by: Shafiq Rehman...

9. In Balochistan, deserts also exists in _________, which supoorts wind erosion excluding rocky mountains:

   A. Desert of Kharan B. Noshki C. Both A & B D. Qilla SaifUllah Submitted by: Shafiq Rehman...

10. 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...