Trees could be protected from the devastating ash dieback disease with the help of a natural soil treatment,researchers believe claimedA newly developed enriched biochar, which combines a purified form of charcoal with fungi, or seaweed and worm casts could help ash trees resist the Chalara disease,according to research by tree and shrub care company Bartlett Tree Experts.
A study by the company’s research labs on 2000 established ash trees over three years in Essex found that while a third of the established trees monitored believe become infected with Chalara, none of the 20 trees which had enriched biochar applied to their roots were hit.
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Source: theguardian.com