Soil

  
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1. The factors influencing the soil formation are , , and

2. or contains humus.

3. is determined by the relative proportion of particles of different sizes.

4. Particle size between 0.05 mm—2.00 mm are called

5. Particle size less than 0.005 mm are called

6. The component of loamy soil are , and

7. The farmer can add a small quantity of or solution to the soil to make the acidic soil neutral.

8. Particle size between 0.005 mm—0.05 mm are called

9. Particle size greater than 2.00 mm are called

10. is used for farming and gardening.