Proceedings of the Plant Resources Society of Korea Conference (한국자원식물학회:학술대회논문집)

The Plant Resources Society of Korea (한국자원식물학회)
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Usage of Azolla spp. as a Biofertilizer on the Environmental-Friendly Agriculture

친환경농업을 위한 생물비료로서의 아졸라의 이용

  • Nam, Ki-Woong (College of Agriculture & Life Science, Hankyoung National University) ;
  • Yoon, Deok-Hoon (College of Agriculture & Life Science, Hankyoung National University)
  • 남기웅 (국립한경대학교 식물생명환경과학부) ;
  • 윤덕훈 (국립한경대학교 식물생명환경과학부)
  • Published : 2008.04.25
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Abstract

The aquatic fern Azolla spp. is of value as a bio-fertilizer for wetland paddy, and also can be used as an ideal feed for cattle, pigs and poultry. It is popular and cultivated widely in other countries like China, Vietnam, and the Philippines, but has yet to be taken up in Korea, in a big way. It fixes nitrogen as high as 3-5kg N per day, because it contains nitrogen fixing blue-green algae, Anabaena azollae. Azolla's ability to create a light-proof mat that suppresses other weeds has been used for centuries in rice production. Azolla spp. has also the capacity to take up the heavy metals ($75{\sim}100%$) and may be used as a bioaccumulator. Moreover, Azolla meal as an unconventional feed resource has a potential as a feedstuff for livestock.

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