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Duckweed Aquaculture: A New Aquatic Farming System for Developing Countries

机译:浮萍水产养殖:发展中国家的新型水产养殖系统

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The purpose of the booklet is to present a group of tiny aquatic plants commonlyknown as 'duckweeds' as a promising new commercial aquaculture crop. Duckweed species are members of the taxonomic family Lemnaceae. They are ubiquitous, hardy, and grow rapidly if their needs are met through sound crop management. The paper summarizes current knowledge, gained from practical experience from the beginning of 1989 to mid-1991 in an experimental program in Mirzapur, Bangladesh, where duckweed cultivation was established and fresh duckweed fed to carp and tilapia. In the Mirzapur experimental program a farming system was developed which can sustain dry-weight yields of 13-38 metric tons per hectare per year (ton/ha/year), which is a rate exceeding single-crop soybean production six to tenfold.

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