Use of the 15N natural abundance technique to quantify biological nitrogen fixation by woody perennials

  title={Use of the 15N natural abundance technique to quantify biological nitrogen fixation by woody perennials},
  author={Robert Michael Boddey and Mark B. Peoples and Brian Palmer and Peter J. Dart},
  journal={Nutrient Cycling in Agroecosystems},
Biological nitrogen fixation (BNF) associated with trees and shrubs plays a major role in the functioning of many ecosystems, from natural woodlands to plantations and agroforestry systems, but it is surprisingly difficult to quantify the amounts of N2 fixed. Some of the problems involved in measuring N2 fixation by woody perennials include: (a) diversity in occurrence, and large plant-to-plant variation in growth and nodulation status of N2-fixing species, especially in natural ecosystems; (b… CONTINUE READING
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