The soil are contains__________________?

Related Mcqs:

1. Soil water in excess of hygroscopic and capillary water which moves downward through the soil by the force of gravity is called______________?

   A. Capillary water
   B. sub-surface water
   C. Gravitational water
   D. Run off water

2. Fumigating and warming soil by covering it with black plastic is called__________________?

   A. Mulching
   B. Fumigation
   C. Soil solarization
   D. None of the above

3. The crops which are grown to reduce the soil erosion and natural losses by leaching is known as______________?

   A. Companion crops
   B. Cover crops
   C. Mixed crops
   D. Ratooning crops

4. Sowing seed without any tillage in the soil is called__________________?

   A. Minimum tillage
   B. Zero tillage
   C. Secondary tillage
   D. None of the above

5. Allelocliemicals may enter in the soil through the process of_________________?

   A. Diffusion
   B. Mass flow
   C. Root exudation

6. Gaseous loss of a substance from the soil or from fertilizer or manure is called_________________?

   A. Volatilization
   B. Evaporation
   C. Transpiration
   D. Evapotranspiration

7. Fertilizer requirements of wheat under medium loamy soil is________________?

   A. 75-90 NP kg/ha
   B. 100-70 NP kg/ha
   C. 110-60 NP kg/ha
   D. 136-85 NP kg/ha

8. The systematic arrangement of soil in to groups or categories is called_________________?

   A. Classification
   B. Annuals
   C. Perennials
   D. Ranking

9. Controlled run off, water supplies, irrigation, soil fertility is called as_________________?

   A. Catchmento protection
   B. Agriculture conservation
   C. Soil protection
   D. Saw logs

10. Preferable form of nitrogen for rice under submerged soil conditions is ____________?

    A. NH4
    B. NO3
    C. NO2
    D. All of these

    Submitted by: Muhammad Rehan