北方农家屋顶养绿萍技术及生态经济效益

The Ecological and Economical Benefits of Cultivating Azolla filiculoides on the Rooftop in the Rural Areas, Northern China.

北方农家屋顶养绿萍技术及生态经济效益安淑苹（中国科学院石家庄农业现代化研究所，０５００２１）ＴｈｅＥｃｏｌｏｇｉｃａｌａｎｄＥｃｏｎｏｍｉｃａｌＢｅｎｅｆｉｔｓｏｆＣｕｌｔｉｖａｔｉｎｇＡｚｏｌａｆｉｌｉｃｕｌｏｉｄｅｓｏｎｔｈｅＲｏｏｆｔｏｐｉｎｔ...

Azolla filiculoides with very high biomass and reproductivity capacity has been used as a nourishing forage grass. By means of constructing shallow tanks on the rooftop, five year's experiments of cultivation of Azolla filiculoides were carried out since 1990 in the rural areas, northern China Azolla filiculoides had a relative high ecological and economical benefits. This technology can be used in Hebei province, south part of northeastern China and in the areas with rooftops.