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卡洲满江红(Azolla caroliniana)俗称卡洲萍,属满江红科,是一种既能水生又能湿生的蕨类植物,原产美洲,七十年代引入我国。植物体肥大,略似梅花形,根系发达。叶腔内有固氮蓝藻,能固定空气中游离的氮素,是良好的肥料、饲料、饵料植物。卡洲萍在水田环境中其生长形态变化如下:开始放养的小萍平浮水面,呈平铺形;当气温在14—27℃范围内,水温为13.5—26.5℃、光照1—1.2万勒克司、空气湿度70—85%、土壤
Azolla caroliniana commonly known as card Chaoping, belongs to Azolla Branch, is a kind of both aquatic and wet ferns, native to the Americas, introduced to China in the seventies. Plants hypertrophy, slightly like a plum-shaped, root system developed. Cytoplasmic nitrogen-fixing algae in the leaf cavity, nitrogen can be fixed in the air of free, is a good fertilizer, feed, bait plants. In the paddy field environment, the change of its growth morphology is as follows: Xiaoping, the beginning of stocking, has a flat surface with a flat shape. When the temperature is in the range of 14-27 ℃, the water temperature is 13.5-26.5 ℃ and the light is 1-1.2 万 勒Ke Si, air humidity 70-85%, soil