Nutrient status of natural and healthy sissoo forest and declining plantation sissoo forest (Dalbergia sissoo, Roxb.) in Nepal S.P., Jha P.K., Lamersdorf N. (2002): Nutrient status of natural and healthy sissoo forest and declining plantation sissoo forest (Dalbergia sissoo, Roxb.) in Nepal . J. For. Sci., 48: 459-466.
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Sissoo (Dalbergia sissoo, Roxb.) is a nitrogen fixing leguminous tree species with natural habitat in the lowland region of Nepal called Terai up to an altitude of 1,000 m. For the last few years, this economically important tree species has been dying rapidly in the plantation forests. On the contrary, its status in the natural forest in riverine areas has been unknown yet. The paper compares the nutrient status of natural and healthy sissoo forest with declining plantation sissoo one. It is evident from this study that both stands do not differ very much with respect to their soil and plant nutrients. Therefore it was concluded that the waterlogging of soil was the main factor responsible for the decline of plantation sissoo forest. 

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