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http://dx.doi.org/10.7740/kjcs.2012.57.2.099

Studies on the Bio-degradability and Characteristics of Mulching Films Containing Rice By-products Applied to Upland Crops  

Han, Sang-Ik (Department of Functional Crop, National Institute of Crop Science, RDA)
Kang, Hang-Won (Department of Functional Crop, National Institute of Crop Science, RDA)
Jang, Ki-Chang (Department of Functional Crop, National Institute of Crop Science, RDA)
Seo, Woo-Duck (Department of Functional Crop, National Institute of Crop Science, RDA)
Oh, Seong-Hwan (Department of Functional Crop, National Institute of Crop Science, RDA)
Ra, Ji-Eun (Department of Functional Crop, National Institute of Crop Science, RDA)
Lee, Hyeong-Un (Bioenergy Crop Research Center, National Institute of Crop Science, RDA)
Chung, Mi-Nam (Bioenergy Crop Research Center, National Institute of Crop Science, RDA)
Choi, Kyung-Jin (Department of Functional Crop, National Institute of Crop Science, RDA)
Publication Information
KOREAN JOURNAL OF CROP SCIENCE / v.57, no.2, 2012 , pp. 99-105 More about this Journal
Abstract
The main challenges for the development of agricultural bio-degradable mulching film concern the degradation during the lifetime of cultivated crops. A set of rice by-product (rice-hull and rice-bran) based bio-degradable mulching films was developed and tested, following the measurement of standard bio-degradability rate and adaptability in a large scale field experiment. The standard bio-degradability of bio-film passed the KS (Korea standard) regulation. The result of mechanical analysis of bio-degradable mulching film presented a higher mechanical strength and elongation rate compared with polyethylene film. In addition, bio-film could be degraded into fragments within 4 months under the field condition of several upland crops. Bio-degradable mulching film indicated great potential as a new source of agricultural bio-degradable material.
Keywords
rice by-product; bio-film; bio-degradable materials;
Citations & Related Records
Times Cited By KSCI : 8  (Citation Analysis)
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