春大白菜地膜加小拱棚双膜覆盖栽培,从定植到收获50天左右,一般667米2产7500～8000千克。即可让大白菜错季上市丰富淡季蔬菜供应,又增加了菜农收入。主要栽培技术如下。1.选好品种选用韩国强势或日本全盛(春秋兼用品种)。这两个品种都具有苗期比较耐寒,成熟期耐热,耐抽薹、早熟 Spring cabbage plus small arch double plastic film covered cultivation, from planting to harvest about 50 days, generally 667 m 2 production 7500 ~ 8000 kg. You can make cabbage season miscellaneous seasonal rich vegetable supply, but also increased the income of vegetable farmers. The main cultivation techniques are as follows. 1. Choose a good variety Choose South Korea’s strong or Japan’s heyday (both spring and autumn varieties). Both varieties have more cold-resistant seedling stage, maturity, heat-resistant bolting, precocious