我们练塘公社广大干部和社员群众,遵照毛主席关于“自力更生”、“艰苦奋斗”的教导,积极发展绿萍,增加有机质肥料,对提高粮食产量起了很大的作用。一九七一年,全社二十四个大队,队队养萍,有70～80%的早稻、单季稻田放萍,增产效果显著。如林家草大队发展绿萍以来,年年增产。一九七一年稻田放萍1,100多亩,占稻田面积的80%, In the practice of “self-reliance” and “arduous struggle” by Chairman Mao, cadres and members of the Liantong Commune have made great efforts to actively develop Luping and increase organic fertilizers, which have contributed to the improvement of grain output. In 1971, a total of 24 brigades and teams in the whole community flew in to Pingping, with 70-80% of early rice and a single season of rice paddy, which markedly increased yield. Such as the Lam Foo grasshopper development since the annual increase. In 1991, more than 1,100 mu of rice fields were released, accounting for 80% of the paddy field area.