Effect of Nutrient Concentration on Stem Anatomy of Eastern Cottonwood Seedlings

Authors

  • A. N. Foulger
  • F. Freese
  • E. A. Shire

Abstract

First-year seedlings of eastern cottonwood (Populus deltoides Bartr.) were grown under several different concentrations and combinations of N, P, K, Ca, and Mg. Fiber length, vessel length and width, and percentage of fibers and vessels in the seedling stems differed among treatments, but percentage of ray tissue did not. Fiber length showed a clear relationship to nutrient concentration; it increased to a maximum and then decreased as both N and K concentrations increased. Relationships between other morphological properties and the various nutrients were less clear-cut. Possibly because so little is known about the factors studied, the response surface design and analysis used did little to clarify the complicated relationships.

References

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Published

2007-06-19

Issue

Number 4 / Winter 1971

Section

Research Contributions

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