The suitable species for reclamation of saline & sodic soil is:__________?

Related Mcqs:

1. Which compound is mostly used in Pakistan for the reclamation of saline-sodic & sodic soils_________________?

   A. Apatite
   B. Calcite
   C. Dolomite
   D. Gypsum

2. The most suitable species for reclamation of sandy soils is:_________?

   A. Casuarina equiselifolia
   B. Acacia spp
   C. Azadirachta indica
   D. All of the above

   Submitted by: Shafiq Rehman

3. A soil is classified as sodic soil when______________________?

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

4. 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

5. The deficient macronutrient in the sodic soils is:_______?

   A. Mg
   B. Ca
   C. Mo
   D. Cu

   Submitted by: Shafiq Rehman

6. A soil is categorized as saline when EC of saturation extract is______________________?

   A. >4dsm-1
   B. 0.4dsm-1
   D. 0.4 4.0 dsm-1

7. What happens when an saline-alkaline soil is reached with water:

   A. pH decrease, Ec increase
   B. pH & Ec both increase
   C. pH increase & Ec decrease
   D. None of these

   Submitted by: Mir Mehrbiyar

8. 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

9. Vegetation found in saline soils is termed by _________?

   A. Halophyte
   B. Hetrophyics
   C. Viticphyics
   D. Hortiphyics

   Submitted by: Zakir Memon

10. A polyploidy species with genomes derived from the same original species is an_________________?

    A. Allopolyploidy
    B. Amphidiploids
    C. Annapolis
    D. Autopolyploid