Distribution of Nutrients in an Age Series of Eucalyptus and Acacia auriculaeformis Plantations in Bihar

The distribution of nutrients in plants and their losses by way of harvesting have been discussed in an age series of plantations of Eucalyptus and Acacia auriculaeformis. Considerable amounts of nutrients are retained in the leaf and twig components, which should be left over in the field to minimise the nutrient drain. Debarking in the field, if possible, will further reduce the drain up to some extent. Comparatively much higher amount of nutrients are retained in the leaf and twig components of Acacia auriculaeformis, as against Eucalyptus. Thus raising of these species alternately on the same site is suggested to protect the ecosystem from degradation and allow optimal yield with the available mineral resources at a particular site.