江西波阳县双港公社乐丰大队的社员群众,年年冬季都要在大片油菜地上进行盖草防冻工作。当地有“无被难过冰冻夜,无草菜苗难过冬”的农谚。1958年冬至1959年春,我们曾在乐丰大队进行油菜冬季盖草防冻的专题调查总结,现介绍如下。复盖湖草对防止油菜冻害及增产的作用当地老农反映:冬季复盖湖草的油菜,比不复盖草的油菜死苗少得多,产量每亩多出30斤左右。从该 Members of the Yuefeng Brigade in Shuanggang Commune in Beiyang County, Jiangxi Province, are to be covered with grass and frost protection work on large areas of rape every winter. There are local “No sad night of freezing, no grass seedlings sad winter ” farming proverb. The winter of 1958 to the spring of 1959, we conducted a special survey of winter ragweed antifreeze rape in Lefeng brigade, are presented below. The effects of covering lake grass on preventing frostbite and increasing the yield of rapeseed local farmers reflect that the rape covered with lake grass in winter is much less dead than the non-covered rapeseed, with an output of about 30 kg more per acre. From that