Jay Ghosh, Nicola Lelli and David De Corte

The purpose of the first part of this paper is to show how additives, incorporated in greenhouse or mulch films, can extend and/or modify film properties. This pertains to not only improvement in reliability of film duration for agricultural applications but also to a much more ambitious target of influencing crop productivity and quality. In particular, data will be shown to demonstrate how a properly utilized photoselective additive in greenhouse films can help to increase yield and accelerate growth of flowers such as roses, lilium, anthurium.

Other new effects can now be incorporated with further developments of antidust, antifog, antimist and antimicrobial additives, all of which can provide solutions to the various demands of the agrofilm market.

Recollection and disposal costs are clearly playing an increasingly significant role for Plasticulture from economic point of view, with special focus on mulch films in particular. Addressing this much felt need, additives promoting degradation of plastics have been developed and successfully applied and tested in Europe for crops such as cotton, tomatoes and mais. Data and field experience will be presented."

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