The kind, rate and intensity and pedogenic processes are controlled by ________ ,soil-forming factors?

Related Mcqs:

1. Pedogenic processes bring about changes in the parent materials in the form of _____________________, within the soil body (soil profile)?

   A. Additions, losses B. Transfers and transformations C. both A and B D. None of the above Submitted by: Shafiq Rehman...

2. The availability of essential nutrients from soil to the plants is controlled by the ________ properties of soil:

   A. Physical B. chemical C. Biological D. both A & B Submitted by: Shafiq Rehman...

3. 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...

4. _______________ of alluvium (stratified sediment) by earth-worms is the most important soil-forming process in the alluvial plain of Pakistan:

   A. Homogenization B. Pedoturbation C. Lessivage D. Melanization Submitted by: Shafiq Rehman...

5. Soil-forming minerals occurring in rocks do not contain any water, they undergo ______________ when exposed to humid conditions & break down as in chemical weathering process:

   A. Carbonation B. Acidification C. Hydration D. Dissolution Submitted by: Shafiq Rehman...

6. An expression of the intensity of the basic or a acidic condition of a liquid or of soil is called_____________________?

   A. ESR B. SAR C. EC D. pH...

7. 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...

8. The basic form of present day Universal soil loss equation (USLE), initially involved the use of factors such as ________?

   A. R, K and S B. R and K C. R, K, S and L D. R, K, S, L, C and P Submitted by: Shafiq Rehman...

9. 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...

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

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