Plantation forestry plays a vital role in meeting the raw material demand of wood based industries. Under such plantations a paradigm shift is essential from general sivicultural packages to site specific, management packages to harvest higher utilizable biomass at the shortest rotation period. To elucidate information on the above line a field experiment was conducted with Casuarina species viz., C. equisetifolia and C. junghuhniana from seed and clonal sources raised under two spacings and five nutrient levels with a common irrigation schedule. The study was taken up at Agricultural...