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Starch-based plastics and related products for agriculture
In a continuing program to develop biodegradable plastics for mulch and other agricultural applications, we found that incorporating water-soluble, biodegradable plasticizers and low-density polyethylene into starch ethylene acrylic acid copolymer (EAA) films increased the rates of biodegradation without adversely affecting plastic properties. Adding a strong base to the starch-EAA formulation caused the films to have semipermeable or dialysis characteristics. A new technique was developed for encapsulating pesticides that is based on a starch-borate complex. In addition to a wide range of other applications, starch-encapsulated herbicides may play an important role in controlling weed problems associated with plastic tunnels, without crop injury.
plastic film mulches
Proceedings of the ... National Agricultural Plastics Congress 1983. (17th)
Journal Articles, USDA Authors, Peer-Reviewed
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Agricultural Research Service
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