Issued by 2026 Magazine

Continuing the SOPAM project: results of a study on the disintegration of biodegradable mulch

Science

AUTHOR : François TOUCHALEAUME, Agro-Industrial Chemistry Laboratory, UMR 1010 INRAE / Toulouse INP, France

Following the agronomic trials conducted as part of the SOPAM project, a degradation study was carried out to assess the degradation kinetics of mulch films under real life conditions. Here are the conclusions.

Disintegration (progressive reduction in the size of film fragments) is the first stage of biodegradation, and the two-year study conducted at the Sudexpé station (Hérault department, Southern France, Mediterranean climate) complements the guarantees provided by standard EN 17033. The criteria of this standard (which does not include disintegration) are assessed under standardised laboratory conditions that do not accurately represent field conditions.

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