The process of deposition of soil materials in the lower layer is termed as:_________?

Related Mcqs:

1. The process by which nutrients chemicals or contaminants are dissolved and carried away by water, or are moved into a lower layer of soil:

   A. Infiltration
   B. Percolation
   C. Leaching
   D. Seeping

   Submitted by: Shafiq Rehman

2. 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

3. Rocks and weathered materials transported by ___________ ,act as initial materials for soil formation?

   A. Water
   B. Wind
   C. Glaciers
   D. All of the above

   Submitted by: Shafiq Rehman

4. Pedogenic processes bring about changes in the parent materials in the form of _____________________, within the soil body (soil profile)?

   A. Additions, losses
   B. Transfers and transformations
   C. both A and B
   D. None of the above

   Submitted by: Shafiq Rehman

5. Weathering process-physical, chemical, and biological _______________, the rocks and minerals into simpler products which either accumulate in place or are transported to other places where they become soil parent materials?

   A. Disintegrate
   B. Disentigrate
   C. Decompose
   D. Both a & c

   Submitted by: Shafiq Rehman

6. 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

7. Floor space requirement in layer for layer is _________________________?

   A. 0.75 ft2 /bird
   B. 1.5 ft2 /bird
   C. 1.25 ft2 /bird
   D. 1 ft2 /bird

8. _________ 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

9. 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

10. Organic P content in soil, by ignition method is estimated by igniting the soil at ____________________?

    A. 250ºC
    B. 1000ºC
    C. 550ºC
    D. 1250ºC