Mulching helps in:

Related Mcqs:

1. The major types of mulching are:

   A. Artificial mulches
   B. Natural inorganic mulches
   C. Stone mulch
   D. Organic mulches
   E. All of the above

2. When trees and shrubs are planted in long rows along streams, they are described as:

   A. Wind breaks
   B. Soil binders
   C. Shelter belts
   D. Basin blisters

3. An important agrostological technique to check soil erosion in the initial stages is:

   A. Ley farming
   B. Land retirement
   C. Basin listing
   D. Contour farming

4. The plants commonly sown for crop rotation are :

   A. Cajanus and Dalbergia
   B. Cajanus and Aeschynomene
   C. Dalbergia and trigonella
   D. Trigonella and Trifolium

5. A slopy land on account of continued rainfall initially under goes:

   A. Rill erosion
   B. Gully erosion
   C. Sheet erosion
   D. All of these

6. Erosion of very fine particles is seen on account of:

   A. Saltation
   B. Suspension
   C. Surface creep
   D. Shifting of dunes

7. The grazing animals can change the type of vegetation by:

   A. Bringing in plant pathogens
   B. Selective grazing
   C. Cross pollination
   D. Bringing the seeds of other plants

8. Side effect of heavy and constant grazing is that the:

   A. Upper layers of soil are loosened and are eroded
   B. Lower layers are made more compact and root respiration is interfered with
   C. Lower compact layers make root penetration difficult
   D. All of the above

9. Terracing is an affective method of soil conservation:

   A. Desert areas
   B. Hilly areas
   C. Plains
   D. Riverine areas

10. One of the following crops is the most effective in controlling soil erosion:

    A. Cotton
    B. Pigeon pea
    C. Green gram
    D. Maize