The maximum amount of water which a soil can hold after free drainage has ceased is called as_______?

Related Mcqs:

1. 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

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. 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

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. 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

6. 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

7. The study of physical environment, climate and soil in relation to development of agricultural plants and yield related (production amount, quality and capability of seeds-germination), is called:

   A. Agrology
   B. Agro-Ecology
   C. Hyetology
   D. None of the above

   Submitted by: Shafiq-ur-Rehman

8. The study of physical environment, climate and soil in relation to development of agricultural plants and yield related (production amount, quality and capability of seeds-germination), is called:

   A. Agrology
   B. Agro-Ecology
   C. Hyetology
   D. None of the above

   Submitted by: Shafiq-ur-Rehman

9. According to WAPDA, the ECe of the salt free soil should remain__________________?

   A. < 4 dsm-1
   B. Equal to 4 dsm-1
   C. 4-8 dsm-1
   D. None of the above

10. The movement of water through a column of soil is called:___________?

    A. Infiltration
    B. Percolation
    C. Leaching
    D. hydraulic conductivity

    Submitted by: Shafiq Rehman