List of top Forestry Agroforestry Silviculture Questions

A systematic technique followed in plantations for the removal of alternate tree rows, diagonal rows or removal of every second, fourth tree line is commonly known as
The ratio of diameter or girth of a stem at one half its height above the breast-height to the diameter is termed as
The following factor indicates the productive capacity of a specific area of forest land for a particular tree species.
The "C- Grade" thinning is used to prepare the following table
Select the best suitable silvicultural system followed for road side plantations from the following
Which of the following sampling method is referred as double sampling?
Which of the following pest management strategy refers to thinning overstocked stands in order to manage or control pests.?
Metzger or Girder theory explains the following concept
The condition of the tree with dead upper branches projecting above the green portion of the crown is called as
Which of the following is correctly matched?
Germination energy is defined by one of the following statements. Choose the correct statement from the following.
Select the correct combination of methods used to estimate solid volume of fire wood from the following.
Increment percent is very large in certain stage of the crop but decreases very rapidly thereafter in different stages of growth. Choose the correct order of the Increment Percent from highest to lowest according to the following growth stages.
i. Older trees
ii. Poles
iii. Saplings
iv. Young seedlings
Stem analysis helps to know the relationship between the following selected factors
Crop height is determined by the following formula
The following are the usual diameter classes used in India.
Which of the following refers to the type of seeding felling, secondary felling and final felling?
An abandoned field changes into a mature forest over an extended period of time through a process called as
In our country diameter or girth at breast height is measured at _________.
A stand of Sal at the age of 50 years have volume of 2500 cft and at the age of 60 years 3500 cft and a thinning at the age of 55 years gave a volume of 300 cft, then the increment per cent (p) by Pressler's formula will be :
A silvicultural system in which the crop is to be regenerated is opened up irregularly and the resultant crop is uneven- aged.
The passive factors of soil formations are _________ and _________
Additional quantity of output, added by an additional unit of input is known as _________.
"Acid rain" is formed due to contributions of the following pair of gases.
_________ has been successfully used to control the notorious weed Lantana camara.