Contribution of Mikania micrantha during secondary succession following slash-and-burn agriculture (jhum) in North-East India II. Nutrient cycling

Swamy, P. S. ; Ramakrishnan, P. S. (1987) Contribution of Mikania micrantha during secondary succession following slash-and-burn agriculture (jhum) in North-East India II. Nutrient cycling Forest Ecology and Management, 22 (3-4). pp. 239-249. ISSN 0378-1127

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/037811...

Related URL: http://dx.doi.org/10.1016/0378-1127(87)90108-3

Abstract

During the herbaceous phase of secondary succession after slash-and-burn agriculture. Mikania micrantha H.B.K., which is an aggressive exotic weed, plays an important role in nutrient cycling in the present system. M. micrantha conserves considerable quantities of potassium in its biomass. During the herbaceous-community phase of secondary succession, though there was an increase in nutrient uptake by the developing vegetation, the recycle through litterfall increased at a greater rate. The shift in nutrient-cycling properties of the developing vegetation, due to changes in community structure from a predominantly herbaceous type to shrubs and trees predominating, is reflected in various parameters observed in older fallows.

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