In the initial stage of rainfall, when soil moisture available in the root zone is very low, the rate of infiltration ?

Related Mcqs:

1. Infiltration capacity curve is the graphical representation, as to how the infiltration capacity varies with time after rainfall this curve was represented by ____________________?

   A. Darcy
   B. Horton
   C. Lacy
   D. Kennedy

2. Water available in root zone of plants, is about 50% of soil moisture content. which is always available to the plants is called________________?

   A. Effective water
   B. Soil-moisture content
   C. Capillary water
   D. All are correct

3. Water available above the top of root zone of plants is about 15% of soil moisture contents, is mostly not available to plants celled_________________?

   A. Capillary water
   B. Irrigation water
   C. Effective water
   D. Hygroscopic water

4. Readily available moisture is the % of moisture that is always easily available to plant and this moisture is called _________________?

   A. 70%
   B. 75%
   C. 80%
   D. 85%

5. The field capacity is the amount of water retained by a saturated soil mass after being acted by gravity. The amount of water required to bring the soil moisture content of that soil up to field capacity is called__________________?

   A. Soil-moisture deficiency
   B. Field-moisture deficiency
   C. Equivalent-moisture deficiency
   D. a and b are correct

6. Water logging is the state of the soil where the water table brought ______________capacity or root zone of plants?

   A. Far from
   B. Within
   C. Below
   D. Near

7. The water particles held in soil pores of root zone by _____________ against gravity and is known as capillary water?

   A. Cohesive force
   B. Capillary force
   C. Tension force
   D. Gravity force

8. The minimum moisture content at which a water drop if placed on a smooth surface of soil will not be absorbed immediately by the soil is called __________________?

   A. Soil moisture content
   B. Moisture content
   C. Soil saturation
   D. All are correct

9. Water storage efficiency in the root zone depends upon__________________?

   A. Porosity
   B. Fine particles of soil
   C. Coarse particles of soil
   D. Climatic conditions

10. The depth of root zone for rice crop is about___________________?

    A. 70 cm
    B. 80 cm
    C. 90 cm
    D. 100 cm