The lands which are rich in soluble salts and exchangeable sodium:

Related Mcqs:

1. The conductivity of a saturation extract is greater 4 dsm-1 an exchangeable sodium percentage (ESP) of less than 15 and the pH is usually less than 8.5 is called as__________________?

   A. Saline soils
   B. Saline-sodic soils
   C. Sodic soils
   D. Neutral soils

2. Accumulation of soluble salts root zone is known as____________________?

   A. Desodication
   B. Sodication
   C. Degradation
   D. Salininzation

3. Accumulation of soluble salts in soil________?

   A. Alkalization
   B. Desalinization
   C. Salinization
   D. All off these

   Submitted by: Hakeem Taj Shapuki

4. Cyclic salts are mostly of ______________________?

   A. SO4
   B. HCO₃
   C. Cl^–
   D. None of the above

5. Na2CO3 salts is___________________?

   A. Neutral
   B. Alkaline
   C. Acidic
   D. None of the above

6. _________ 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

7. Generally speaking, only level to nearly level (0-2 % slope) & gently sloping lands (2-5 % slope) should be:

   A. brought under range crops
   B. Forests
   C. Both a & b
   D. None of the above

   Submitted by: Shafiq-ur-Rehman

8. Humic acid is soluble in______________________?

   A. Acid
   B. Alkali
   C. Both a & b
   D. Distilled water

9. Humic acid is soluble in____________________?

   A. Acid
   B. Alkali
   C. Both a & b
   D. None of the above

10. Select the water soluble phosphatic fertilizer from the following__________?

    A. DSP
    B. TSP
    C. SSP
    D. All of these

    Submitted by: Shafiq Rehman