Abstract
Pakistan is suffering from a chronic shortage of wood. Most of the indigenous species are rather slow growing and take a long time to mature. The existing deficiencies can only be met through planting of local and exotic fast growing tree species such as poplars and willows in climatically suitable areas. Exotic poplars were, therefore, introduced in late fifties. Over a period of time techniques of scientific production of nursery stock and field planting have been developed and streamlined. Spacing studies and clonal trails have given quite indicative results. Plantations have been raised in pure blocks, with agricultural crops, around farms and along roads, canals and rivers. As it brings handsome revenue within 5-6years, the tree has become a favorite of the farmers. Native willow cuttings have been planted for more then a 100 years on almost the same sites as suited to poplars. Using methods have been initiated. Sports goods industry is the main user of willow wood. Biomass research on Salicacea is comparatively new to Pakistan. It has been found that different poplar clones grown under the same set of condition yield different quantities of biomass.
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