乐亭县养虾区坚持土洋结合的方法,组织养虾能手、有观水经验的虾农,一起观水,并及时总结推广了“五看一摸一尝”的土法观水方法:看水色,6月中旬以后,淡绿色黄绿色是好水,暗红色、黄褐色或其它颜色的水不好;看潮汛,大潮汛高潮时水质较好;看风向,西风或西南风水质较好,东风或东北风时水质不佳,大东北风时不进水;看泡沫,抽水时泡沫发白,而且不久即消失是好水,泡沫呈黑色、黄色、褐色,而且长时间不散的海水不好,应立即停止进水;看水中生物,抽水时小鱼小虾多是好水,水星子多是环水,手摸,用手摸海水,手感水很滑时不好, Laoting County, shrimp farming areas adhere to the method of combining the organization of shrimp experts, shrimp farmers have the experience of watching water, watch the water, and timely summary of the promotion of the “five see one touch” of the method of water: Look at water color, after mid-June, light green yellow-green is good water, dark red, brown or other colors of water is not good; see tide flood, tidal flood tide is better water quality; see the wind, westerly or southwest wind better , When the east or northeast wind poor water quality, when the northeasterly wind does not enter the water; look foam, pumping foam white, but soon disappear is good water, the foam was black, yellow, brown, but prolonged seawater Not good, should immediately stop the water; see water creatures, pumping fish shrimp mostly good water, Mercury child is mostly ring water, hand touch, hand touch the sea water is not good when the water is very slippery,