黑色地膜（以下简称黑股）覆盖具有增温、避光、保湿、除草等多种功能。近年来，我们通过试验，在韭菜青黄栽培上取得了成功，现已推广百余亩。1黑膜覆盖培育韭黄的优点①增加韭黄产量根据对比试验和在我镇新生八组大田调查，黑色地膜在早春（2月上旬至3月中旬）和初冬（11月中 Black film (hereinafter referred to as black stocks) covered with a warming, dark, moisturizing, weeding and other functions. In recent years, we passed the test, success has been achieved in the cultivation of Chinese chives yellow, has now promoted more than 100 acres. A black film covering the advantages of chive cultivation ① increase the production of chives According to the comparison test and eight freshmen in our town field survey, black plastic film in early spring (early February to mid-March) and early winter (mid-November