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| Content Provider | Springer Nature Link |
|---|---|
| Author | Shi, Lei Ao, Lilong Kang, Hu Su, Haijia |
| Copyright Year | 2011 |
| Abstract | Novel biodegradable films were prepared via blending of poly (vinyl alcohol) and waste mycelium from sauce residue and citric acid fermentation residue, respectively. The performance of these two types of films when used as alternative covers for pak-choi growth under semi-arid climatic conditions was evaluated via field test towards their abilities for water retention and biodegradation, together with the impact on the yield and nutritional quality of pak-choi. Experimental results showed that the use of these films could result in 50% higher water retention than a blank control film after 96-h treatment at 40 °C. Films were biodegraded within 14 weeks under natural conditions, leading to a significant mineralization, progressively releasing over 56% of K$^{+}$, NO$_{3}$ $^{−}$, Mg$^{2+}$ and organics, beneficial for plant growth as fertilizer. The yield of pak-choi was increased by 80% in weight when using these films compared with the unmulched control. Compared to those treated with traditional LDPE mulching film, the average contents of chlorophyll, crude protein and soluble sugar in pak-choi were increased by 52.9, 7.2, 80.7% (blends of sauce residue) and 26.7, 11.4, 10.8% (blends of citric acid fermentation residue), respectively. |
| Starting Page | 492 |
| Ending Page | 500 |
| Page Count | 9 |
| File Format | |
| ISSN | 15662543 |
| Journal | Journal of Polymers and the Environment |
| Volume Number | 20 |
| Issue Number | 2 |
| e-ISSN | 15728900 |
| Language | English |
| Publisher | Springer US |
| Publisher Date | 2011-12-20 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Waste mycelium Poly (vinyl alcohol) Reuse Biodegradable film Polymer Sciences |
| Content Type | Text |
| Resource Type | Article |
| Subject | Materials Chemistry Environmental Engineering Polymers and Plastics |
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