Discuss the factors affecting selection of type of roadside trees.
Factors affecting selection of type of roadside trees are:
i) Trees selected should be such that it provides a large and dense crown with beautiful and uniform shape.
ii) Trees must be able to resist heavy wind blows and heavy storms.
iii) They must suit the soil and climatic conditions of the site.
iv) The trees which demand less amount of water should be preferred to those which require frequent irrigation.
v) They should be able to produce valuable small fruits, timber and other useful products.
vi) Trees should be able to withstand lopping and pruning.
vii) They are chosen on the basis of physical growth, shape and size, growth rate, branching pattern etc.
viii) Trees like Gulmohar, Ashoka can be planted for landscaping on highways.