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青苔是一种丝状绿藻,常见于鱼苗池中,青苔繁殖速度很快,于春季水温回升后在鱼池浅水处或岸边开始萌发,长成绿色细丝矗立水中,形如棉絮团状乱丝,大量繁殖时很难根除,能使水质急剧变瘦,影响饵料生物的繁殖,减少鱼类活动空间,一旦幼鱼游入其中,往往被缠住致死。一些冬水田也有生长。预防青苔萌发,主要是在放鱼苗前亩用30—40kg的松树枝与叶彻底浸泡。从1990年开始,我场采用适量松树叶预防青苔萌发,效果极佳。具体使用方法是:
Moss is a filamentous green algae, common in fry ponds, moss propagation speed in the spring after the water temperature rise in shallow ponds or shore began to germinate, grow into green filaments stand in the water, shaped like cotton floc Silk, it is hard to eradicate when multiplying, it can make the water quality become thinner and thinner, it will affect the breeding of food organisms and reduce the space for fish activities. Once the juveniles swim into them, they often get entangled. Some winter paddy fields also grow. Prevent moss germination, mainly in the ground before the fish fry with 30-40kg of pine branches and leaves thoroughly soaked. From 1990 onwards, I used the appropriate amount of pine leaves to prevent moss germination, the effect is excellent. Specific use is: