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...