Land degradation is a serious menace to food security. Salinity-related land degradation is becoming a serious challenge to food and nutritional security in developing countries. Order vertisols has problem of salinity throughout the country. The vertisols and their associates cover nearly 257 m ha of the earth

In India plantations of exotic tree species like populous debtoides, Acacia spp., Eucalyptus spp., Laucaena leucocephala and Prosopis juliflora etc were promoted to meet the increasing industrial and fuel demand. The exotic acacia and eucalyptus were introduced in Nilgiris Hills in 1858 where E. globules was planted along with E. Robusta.