From the point of view of crop production, Soil testing refers to______________?

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. 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

3. All harvested crops remove plant nutrients from the soil. Whether used for _______________; the various crop products are often consumed far away from the production sites, some times thousands of kilometers away in another country.

   A. Food
   B. Feed
   C. industrial raw materials
   D. All of these

   Submitted by: Shafiq Rehman

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. What is the effect of application of P2O5 fertilizer to a green manure leguminous crop in the availability of phosphorus to the succeeding crop?

   A. Green manure increases the availability in organic from to the next crop
   B. It does not affect the availability of phosphorous to succeeding crop 
   C. Greater amount of phosphorus is taken up and converted into organic form, which is released on decomposition of green matter
   D. It fixes the P2O5 through humus and reduces the availability..

   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. The soil texture refers to the relative proportion of sand,__________ and clay:

   A. Stone
   B. Soil
   C. Rock
   D. Silt

   Submitted by: Shafiq Rehman

8. Organic P content in soil, by ignition method is estimated by igniting the soil at ____________________?

   A. 250ºC
   B. 1000ºC
   C. 550ºC
   D. 1250ºC

9. Being a soil scientist, do you know which is the popular book of soil science of Nyle.C.brady, 14th edition available in markets:

   A. Fundamentals of soil
   B. Essenttials of soil sciences
   C. The nature and properties of soil
   D. The mechanics of soil

   Submitted by: Shafiq Rehman

10. 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