Idea ws first enunciated by French forester de Liocourt in 1898 who said:

Sustained Yield Regulations Mcqs
BILAL KHATTAK0

A.In selection forest, the stem numbers fell off from lower to higher dia classes in a geometric progression
B.So there was a constant ratio between numbers in successive dia classes from lowest to the highest
C.Both (a) & (b)
D.None of these

Related Mcqs:

  1. Increment determination by control method is / are :
  2. Normal uneven-aged forest means:
  3. In a centre lathe gear box for changing spindle speeds the provision for speeds is made in
  4. The exponential principle states that as the cultural base grows its possible uses tend to grow in a
  5. At higher pH, the availability of molybdenum is _____ in soils:
  6. In a series circuit with unequal resistances, the __________?
  7. Range’ is the measurement between:
  8. The time of day when the relative humidity reaches a maximum value is usually ___________?
  9. Research – field forester confrontation – a matter of concern is:
  10. Which of the following regarding ecological pyramids is not correct ?

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