Koppert France called in to treat trees
December 22, 2016
Versailles are among the pioneers in this, and Nantes, for example, has reduced its use of herbicides from 6000 litres in 2002 to a mere 80 litres today, the [...] biological control specialist, Koppert, has been testing the efficacy of its treatment on ‘le tigre du platane’ – Sycamore lace bug – around the bowling