Which of the following fertilizers show maximum residual acidity with the continuous soil application:

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. What kind of nitrogenous (N) fertilizers should not be used for flooded soil:

   A. Ammonical
   B. Nitrate
   C. Ammonical-nitrate
   D. Both B & C

   Submitted by: Shafiq Rehman

3. 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

4. The appropriate method to apply phosphatic fertilizers is__________?

   A. Top dressing
   B. Broad casting
   C. both A and B
   D. Basal placement

   Submitted by: Shafiq Rehman

5. In Pakistan, the major phosphatic fertilizers are:

   A. DAP
   B. SSP
   C. Nitrophos
   D. All of Above

   Submitted by: Shafiq Rehman

6. The dominance of acidity creates toxicity?

   A. Mo
   B. Al
   C. Zn
   D. Mg

   Submitted by: Mir Mehrbiyar

7. The unit of a scale used to measure the level of acidity or alkalinity of chemicals is called:

   A. Ec
   B. pH
   C. Pascal
   D. None of the above

   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