The left-hand diagram, adjacent to the key, refers to the fertility of soils under primary forest. The middle diagram shows the effects of burning and the establishment of pasture after one year. The right-hand diagram shows the same area ofanbsp;...
|Title||:||Geography of the biosphere|
|Author||:||Peter A. Furley, Walter W. Newey|
|Publisher||:||Butterworth-Heinemann - 1983|