Variation in specific needle area of old-growth Douglas-fir in relation to needle age, within-crown position and epicormic shoot production
Variation in specific needle area (SNA; cm2 projected fresh needle area g-1 oven-dried needle weight) was investigated in relation to needle age, within-crown position and epicormic shoot production in 450-year-old Douglas-fir (Pseudotsuga menziesii Mirb. (Franco) var. menziesii) trees. Specific nee...
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Veröffentlicht in: | Tree physiology 2002-01, Vol.22 (1), p.31-40 |
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