René Peche

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The oil formulation of diflubenzuron (Dimilin 45 ODC) persisted for 10-12 weeks on the foliage of a conifer forest in an Atlantic-climate ecosystem. Within 22-30 days following treatment, 55-80% of the insecticide had been removed from the foliage. During this period, the concentration of diflubenzuron was higher than 370 ng g(-1). Aerial application at(More)
16.Abstract With the help of a standardized ecobalance procedure the environmental loads of biopro-cesses and bioproducts have been determined and were used for a comparison with data of chemical production processes and products. Evaluated processes have been: production of vitamin B2 and a step of the leather production process: Evaluated products have(More)
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