抓好培土捂黄关冬春韭黄嫩又鲜在冬春生产韭黄的韭田，借助培土避光，使叶鞘柔嫩细腻，洁白如银，光滑如玉，叶片肥美鲜嫩，自下而上呈现白、黄、绿、紫四色，鲜艳夺目，香味浓郁。这一过程称培土捂黄。培土捂黄同时还具有增温、保温，防病等多种作用。其主要技术如下：培... Do a good job of planting soil cover Huang Guan Dong Chun chives yellow tender and fresh in the spring and winter production of chive chives allium lettuce, with the help of soil to avoid light, leaf sheath soft and delicate, white as silver, smooth as jade, fresh plump leaves, bottom up white, yellow, Green, purple four-color, colorful, fragrant. This process called soil cover their yellow. Cover soil yellow also has a warming, insulation, disease prevention and other effects. The main techniques are as follows: training ...