Form of forest produced by introducing a young crop beneath an existing immature is called:

In natural ecosystem, decomposers include:

The major range type found in Tharparkar Desert Range is:

The desert range areas are generally ploughed with a disc, followed by a cultivator, the general characteristics of an ideal seedbed are:

Reseeding is generally successful on the sites where:

The annual population growth rate is Pakistan is the highest in the world, which is: