บทคัดย่องานวิจัย

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Preservation of grain with aeration.

Maier, D. E.;

Grain drying in Asia: Proceedings of an International Conference held at the FAO Regional Office for Asia and the Pacific, Bangkok, Thailand, 17-20 October, 1995. Year: 1996 Pages: 379-397 Ref: 24 ref.

1996

บทคัดย่อ

Preservation of grain with aeration.

Aeration involves moving relatively low volumes of air through bulk stored grains for the purpose of controlling grain temperature. Under certain climatic conditions and in various geographic locations, aeration with ambient air cannot completely inhibit insect activity and preserve grain quality. When grain temperatures cannot be sufficiently reduced, aeration with chilled air is a technically feasible alternative for grain temperature management. Chilled grain aeration, in contrast to ambient aeration, cools grain independently of the ambient temperature and humidity. To be effective, aeration has to be part of an overall preventive postharvest management system involving sanitation, loading, aeration and monitoring (SLAM) of bulk stored grains. Grain aeration principles are reviewed and the effectiveness of preserving grain quality utilizing both ambient and chilled aeration is presented for Thai, Brazilian and US conditions using both maize and paddy rice.