List of top Forestry Agroforestry Silviculture Questions on Basics of Soil Science

The organic matter is calculated by multiplying the organic carbon value by a conversion factor _______ on the assumption that soil organic matter contains 58 per cent carbon.

_______ and _______ types of clay minerals are dominant in acid soils

In Wind Erosion Equation, E = f (I C K L V) suggested by Chepil and Woodruff(1963) to calculate soil loss. Where " I "stands for:

Which of the following type of soil is the best for plant growth?

Match List I with List II

Choose the correct answer from the options given below:

The portion of earth surface which serve as medium for substance for forest vegetation is called as

The passive factors of soil formations are _________ and _________

Match List I with List II
List I (Books):
A. A Text Book of Silviculture
B. An Introduction to Agroforestry
C. Forest Mensuration
D. A Guide to Forest Seed Handling
List II (Authors/Organizations):
I. Ramprakash
II. A P Dwivedi
III. Nair, P K R.
IV. Bertram Husch, Thomas W. Beers, John A. and Kershaw Jr.
V. FAO

Given below are two statements
Statement I: Tectona grandis is a good example of nitrogen‐fixing tree
Statement II: Transfer of nutrients from trees to crops in the agroforestry system is through pruning, leaf drops or root decomposition
In light of the above statements, choose the correct answer from the options given below

Match List I with List II
List I (Instruments):
A. Wheeler's Pentaprism
B. Wedge Prism
C. Conimeter
D. Canopy analyser
List II (Measured Parameters):
I. Leaf Area Index
II. Vertical point sampling
III. Horizontal point sampling
IV. Diameter of the standing tree
V. Form factor

Which one of the following is not non refractory woods?