tree ring | Agriculture XPRT
Articles & Whitepapers
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Optimal estimation of atmospheric 14C production over the Holocene: paleoclimate implications
A tree-ring 14C record and a simple box model of the global 14C cycle are combined using a method of optimal estimation theory (Rauch-Tung-Striebel smoother). The combination is used to infer information about the time evolution of 14C production in the atmosphere for the period 9400 year BC to AD 1900 year. Unlike previous attempts to infer changes from the tree-ring record, the errors in both ...
News
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Frankincense tree has not regenerated for the last half century
Frankincense is a resin that is tapped from a dry forest tree in the Horn of Africa, the Arabian peninsula and India. The European market is dominated by frankincense from Ethiopia. But the tree populations are under threat. “We found no ...
Equipment & Solutions
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Showcase
Increment Borers
Haglöf Sweden is the world's largest producer of increment borers. Our increment borers come in a great variety of models, lengths, core diameters and sizes. Haglöf Sweden increment borers are well-known worldwide and the largest borer brand. Haglöf borers have blue handles in grip friendly plastic material and a metallic lock. The borer bits are made from hardened steel with PTFE ...