自6月初起,选择避风向阳、塘土肥沃、沼浅水淡、能排能灌、便于管理、运输方便的水面,进行平塘修边、清除杂物,除虫灭螺后,再放养绿萍。先放肥、浅、小、静的水面,后放瘦,深、大、动的水面。先放无鱼塘,后放有鱼塘。每平方米放萍1.5～2斤,达到3斤以上时及时分萍,以免重迭,影响生长。萍种少时,可先放在池格一端,用竹竿、木棍或草把挡住,待繁殖后逐步扩大到 Since early June, we have chosen to shelter the sun, ponds fertile, shallow marsh water, irrigation and drainage can be Pai, easy to manage, transport convenient water surface, Pingtang trimming, removal of debris, . First put fat, light, small, static water, then put thin, deep, big, moving water. No fish ponds, fish ponds. Ping 1.5 to 2 pounds per square meter, when more than 3 pounds in time points Ping, so as not to overlap, affecting growth. When the species is small, you can place it at the end of the pond first, block it with a bamboo pole, a wooden stick or grass and gradually expand it to