Principles of soil conservation does not include:

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 conservation is performed by:_________?

   A. Cutting trees
   B. Excessive grazing
   C. By plantation
   D. By heavy irrigation

   Submitted by: Shafiq Rehman

3. Father of soil conservation and Father of Pedology respectively?

   A. Winogradsky & R. Morphy
   B. Winogradsky & Dokuchaev
   C. Bennett & Dokuchaev
   D. both A & B

   Submitted by: Mir Mehrbiyar

4. 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

5. Which one of the following techniques is used for assessing available P in soil and does not include growing plants:

   A. E-Value
   B. L-Value
   C. a-Value
   D. A-Value

   Submitted by: Shafiq Rehman

6. The diagnostic techniques used in evaluating soil nutrient status and determining fertilizer requirements of the crop include:

   A. Nutrient deficiency symptoms & field experimentation
   B. Greenhouse pot experimentation & soil testing
   C. Plant analysis
   D. All of the above

   Submitted by: Shafiq Rehman

7. Effects of soil pollution may also include:___________?

   A. Pollution runs-off into rivers & kills the fish, plant & other aquatic life
   B. Crops & fodder grown on polluted soil may pass the pollutants on to the consumers
   C. Soil structure is damaged or polluted soil may no longer grow crops & fodder
   D. All of the above

   Submitted by: Shafiq Rehman

8. A soil is classified as sodic soil when______________________?

   A. EC is 8.5
   C. SAR is >13
   D. All the above

9. Addition of sodium hexametaphosphate in soil for determination of soil texture causes__________________?

   A. Agregation of soil particles
   B. Cementing of soil particles
   C. Dispersion of soil particles
   D. All the above

10. The major soil fertility problems in Pakistani soils deficiencies of N, P and Zn. Deficiencies K, Fe, and B also occur in specific crop genotypes or soil types, while deficiencies of S, Cu, and Mn are negligible. however, the common nutrient deficiencies are_________________: and some micronutrients including Mo?

    A. N, P, K
    B. Ca, Mg, S
    C. both A & B
    D. The above statement is wrong

    Submitted by: Shafiq Rehman