Final yield is determined by:

Related Mcqs:

1. Forage yield of grass depends on soil moisture after burning. In wet areas when there is enough presipitation after burning, forage yield can be increased by ________

   A. 50 percent
   B. 60 percent
   C. 70 percent
   D. 80 percent

2. The yield tables are constructed by which procedure:

   A. Separately for different species under specific conditions
   B. For full density crops of even-aged forests
   C. Separately for different site qualities
   D. For pure and mixed species forest
   E. All of the above

3. Yield table is / are:

   A. A tabular statement of the volume
   B. Per acre and other stand data for even-aged stands of trees at different ages and site qualities
   C. Both (a) & (b)
   D. None of these

4. What are the contents of yield tables in term of main crop:

   A. Average diameter
   B. Average height
   C. Total basal area
   D. Number of trees
   E. All of the above

5. A yield table for any species gives the following information on per acre basis for different site qualities and at various ages of crops:

   A. Age (5, 10, 15, 20 or 25 years)
   B. Main crop
   C. Thinning
   D. Final yield
   E. All of the above

6. Importance of yield tables is / are:

   A. Can hardly be over-emphasised and the fact is known to the foresters
   B. That scientific management of any forest without yield and increment figure is not imaginable
   C. Both (a) & (b)
   D. None of these

7. Application of yield tables is / are:

   A. These are used for a variety of purposes
   B. They are invaluable for determining the productive capacity of forest areas
   C. For predicting the future yield of existing crops and as an aid to thinning
   D. All of the above

8. It has been possible to raise the yield of resin from chir pine from the existing 1.5 kg per tree to 3.5 kg on the average per tree by using the American Bark Hack method in conjunction with ______ sulfuric acid:

   A. 30%
   B. 40%
   C. 50%
   D. 60%

9. What is the object of sustained yield?

   A. Use of forest resource at a constant level which it can sustain in perpetuity at a given intensity of management
   B. Continuous supply of products from forests in existing stage
   C. To facilitate organization and administration
   D. All of the above

10. From yield table we determine:

    A. Future increment of even aged crop can be from valid yield table
    B. Under stocked stands tend to approach fully stocked stands with increase in age, though more rapid growth than the latter
    C. Both (a) & (b)
    D. None of these