Silvaboreal - Archive
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Collection: T4 Tönnersjöheden Needle samples 1956-1986
Details
Sample type
Leaves/Needles
Sampled
Between 1956 and 1986
Amount
30 needle samples
Available
Yes
Description
Spruce needle samples collected on eight occasions during the years 1956-1986 in experiment T4 Tönnersjöheden. A key to the needle samples is available for download. 1956: Needle samples no. 3406-3409. 1958: Needle samples no. 4498-4501. 1959: Needle samples no. 4860-4863. 1960: Needle samples no. 5423-5426. 1965: Needle samples no. 7777-7780 (March 1966). 1966: Needle samples no. 7844-7847. 1985: Needle samples no. 18894-18897. 1986: Needle samples no. 19893-19894.
Background information
Experiment T4 at Tönnersjöheden is an early thinning experiment established in 1911. The treatments include heavy crown thinning, heavy low thinning, and self-thinning.
Keywords
8004
Associated trials
Events
- Analysis 1985: The analysis values of the needle samples collected in 1985 (as percentage of dry weight) for N, P, K, Ca, Mg, Mn, Al, Cu, Zn, Pb, Cd, B, and S are stored in the archive at the Svartberget Field Research Station in Vindeln in the form of paper copies.
- Analysis 1986: The analysis values of the needle samples collected in 1985 (as percentage of dry weight) for N, P, K, Ca, Mg, Mn, Al, Cu, Zn, Fe, Pb, Cd, and S are stored in the archive at the Svartberget Field Research Station in Vindeln in the form of paper copies.
- Miscellaneous 2004: These samples were first stored at The Department of Forest Production Ecology, SLU Uppsala. In 2004 the samples were sent to SilvaBoreal-Archive for longtime storage.
Location and ownership
Organisation
SLU - ESF - Vindelns försöksparker
Location
Avanäs → Archive (Regular (insulated/heated))
Contact
Ulla Nylander
ulla.nylander@slu.se