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Plant and Soil

, Volume 53, Issue 3, pp 373–384 | Cite as

Foliar nutrient concentrations of small Chamaecyparis in Taiwan

  • Donald B. Zobel
  • Valiant T. Liu
Article

Summary

Seedlings ofChamaecyparis lawsoniana, C. formosensis andC. taiwanensis were grown in a forest nursery in Taiwan. Native saplings of the latter two species were sampled in a clearcut and in the forest understory. Foliar nutrient concentrations were mostly in the mid-range of values for other conifers. However, Ca (.59–1.5%) and Cu (7–20 ppm) were almost always high. Concentrations of N, P, and K in field saplings in Taiwan were low enough (.7–1.5%, .07–.15%, .47–.60%, respectively) to indicate that these elements are probably limiting growth.

Among the three species,C. lawsoniana usually had the lowest foliar nutrient values. When a difference among the species from Taiwan occurred,C. taiwanensis usually was lower. Foliar nutrient concentration varied among provenances, especially withinC. formosensis. Seasonal variability did not occur consistently; nutrients which did change increased their concentrations from the dormant to the growing season, except for K which decreased.

Key Words

Chamaecyparis formosensis C. lawsoniana C. taiwanensis Foliar nutrients Intraspecific variation Port-Orford cedar Taiwan Taiwan cypress Taiwan red cypress 

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Copyright information

© Martinus Nijhoff Publishers 1979

Authors and Affiliations

  • Donald B. Zobel
    • 1
  • Valiant T. Liu
    • 2
  1. 1.Department of Botany and Plant PathologyOregon State UniversityCorvallis
  2. 2.Taiwan Forestry Research InstituteTaipeiTaiwan, Republic of China

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