Biodegradation of Agricultural Plastic Films: A Critical Review

Kyrikou, Ioanna; Briassoulis, D.

doi:10.1007/s10924-007-0063-6

Cited by 84 publications

(78 citation statements)

References 70 publications

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“…The widespread use of mulch films however, has led to an increase in environmental wastes particularly because the removal and disposal of used mulch films is highly cumbersome and consumes a lot of energy (Kyrikou and Briassoulis [2007]).…”

Section: Introductionmentioning

confidence: 99%

“…The degradation of these materials, however, is gradual and cannot be easily controlled (Kyrikou and Briassoulis [2007]). Degradation speed of BP mulch films in agricultural fields is sometimes very slow, as it is largely affected by the environmental conditions.…”

Section: Introductionmentioning

confidence: 99%

“…The desirable practical BP is a programmed degradable plastic that has adequate performance properties during its planned useful life time, and is 100% post-use biodegradable. The existence of such structured plastics has not been confirmed yet (Gross and Kalra [2002]; Kyrikou and Briassoulis [2007]). If some efficient BP-degrading microorganisms were available, farmers can use them or their enzyme to degrade the used BP mulch films immediately after use, thus enabling them to manage efficiently the schedule of their next planting.…”

Section: Introductionmentioning

confidence: 99%

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Degradation of biodegradable plastic mulch films in soil environment by phylloplane fungi isolated from gramineous plants

et al. 2012

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To improve the biodegradation of biodegradable plastic (BP) mulch films, 1227 fungal strains were isolated from plant surface (phylloplane) and evaluated for BP-degrading ability. Among them, B47-9 a strain isolated from the leaf surface of barley showed the strongest ability to degrade poly-(butylene succinate-co-butylene adipate) (PBSA) and poly-(butylene succinate) (PBS) films. The strain grew on the surface of soil-mounted BP films, produced breaks along the direction of hyphal growth indicated that it secreted a BP-degrading enzyme, and has directly contributing to accelerating the degradation of film. Treatment with the culture filtrate decomposed 91.2 wt%, 23.7 wt%, and 14.6 wt% of PBSA, PBS, and commercially available BP polymer blended mulch film, respectively, on unsterlized soil within 6 days. The PCR-DGGE analysis of the transition of soil microbial community during film degradation revealed that the process was accompanied with drastic changes in the population of soil fungi and Acantamoeba spp., as well as the growth of inoculated strain B47-9. It has a potential for application in the development of an effective method for accelerating degradation of used plastics under actual field conditions.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Degradation of biodegradable plastic mulch films in soil environment by phylloplane fungi isolated from gramineous plants

et al. 2012

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“…A partir disso, foi criada a definição da classe de plásticos ambientalmente degradáveis (Environmentally Degradable Polymers), que consiste em um grande grupo de materiais poliméricos sintéticos e naturais que sofrem alteração química sob a influência de fatores ambientais [53] . Esses fenômenos devem ocorrer em duas fases: a primeira é a deterioração das propriedades físicas, e a segunda é a conversão dos fragmentos plásticos em CO 2 e água, em condições aeróbicas, ou em CO 2 e CH 4 , em condições anaeróbicas.…”

Section: Sacolas De Plásticos Com Aditivo Oxibiodegradávelunclassified

Sacolas plásticas: destinações sustentáveis e alternativas de substituição

Santos¹,

Freire²,

Costa³

et al. 2012

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Independentemente do material adotado como melhor estratégia para uso em sacolas, cada um tem um destino final ideal que pode ser: compostagem, reciclagem mecânica, reciclagem energética, aterros sanitários, entre outros. Assim, a infra-estrutura de coleta, identificação e disposição do resíduo pós-consumo desse material deve estar associada à escolha feita para garantir sua sustentabilidade sócio-econômica. Além disso, soluções ainda controversas com relação ao real impacto no meio ambiente, não podem ser condenadas, nem incentivadas, mas devem sim ser avaliadas. Nesse sentido, cabe à comunidade científica fornecer bases sólidas e confiáveis, para que as avaliações sejam baseadas em uma visão global do problema. Foi com esse objetivo que elaboramos o presente trabalho, expondo questões críticas e relatando as diferentes soluções adotadas no mundo, inclusive sobre avaliações de impactos ambientais das diferentes alternativas para minimizar e/ou solucionar os problemas relacionados ao uso de sacolas plásticas.

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“…These data are in agreement with those reported by Levitan et al (2005) pertaining to the Central Leatherstocking-Upper Catskill Region in New York State, where 3.4 kg of plastic film was used yearly per cow as an indicator of dairy-film use. The disposal of PE sheeting could represent a potential environmental concern, because it is nonbiodegradable, difficult to recycle, and can basically be used only once (Kyrikou and Briassoulis, 2007). Bhatti (2010) reported that in the United States, agricultural plastics are rarely disposed correctly.…”

Section: Introductionmentioning

confidence: 99%

Bio-based biodegradable film to replace the standard polyethylene cover for silage conservation

Borreani

Tabacco

2015

Journal of Dairy Science

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The research was aimed at studying whether the polyethylene (PE) film currently used to cover maize silage could be replaced with bio-based biodegradable films, and at determining the effects on the fermentative and microbiological quality of the resulting silages in laboratory silo conditions. Biodegradable plastic film made in 2 different formulations, MB1 and MB2, was compared with a conventional 120-μm-thick PE film. A whole maize crop was chopped; ensiled in MB1, MB2, and PE plastic bags, 12.5kg of fresh weight per bag; and opened after 170d of conservation. At silo opening, the microbial and fermentative quality of the silage was analyzed in the uppermost layer (0 to 50mm from the surface) and in the whole mass of the silo. All the silages were well fermented with little differences in fermentative quality between the treatments, although differences in the mold count and aerobic stability were observed in trial 1 for the MB1 silage. These results have shown the possibility of successfully developing a biodegradable cover for silage for up to 6mo after ensiling. The MB2 film allowed a good silage quality to be obtained even in the uppermost part of the silage close to the plastic film up to 170d of conservation, with similar results to those obtained with the PE film. The promising results of this experiment indicate that the development of new degradable materials to cover silage till 6mo after ensiling could be possible.

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Biodegradation of Agricultural Plastic Films: A Critical Review

Abstract: Ioanna Kyrikou and Demetres Briassoulis, the authors of ''Biodegradation of Agricultural Plastic Films: A Critical Review,'' wish to acknowledge that their project was co-funded by the European Union-European Social Fund & National Resources-O.P. ''Education'' II.

Cited by 84 publications

References 70 publications

Degradation of biodegradable plastic mulch films in soil environment by phylloplane fungi isolated from gramineous plants

Degradation of biodegradable plastic mulch films in soil environment by phylloplane fungi isolated from gramineous plants

Sacolas plásticas: destinações sustentáveis e alternativas de substituição

Bio-based biodegradable film to replace the standard polyethylene cover for silage conservation

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