Nitrogen supply, tree growth and soil acidification

  title={Nitrogen supply, tree growth and soil acidification},
  author={Gert Arnold and Ashley M. Kroon Van Diest},
  journal={Fertilizer research},
Nitrogen is absorbed by trees in quantities larger than any of the mineral nutrients. It can be taken up by trees as NH4 and as NO3, but the relative ease with which they are absorbed does not necessarily reflect the degree of preference shown by tree species for either of the N forms. In an experiment with larch trees grown on mineral soil in 60-liter containers and supplied with15N-enriched NH4 or NO3, it could be shown that NH4 is absorbed more readily than NO3. With information available on… CONTINUE READING

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