论文部分内容阅读
大白菜的收获期多集中于11～12月。此时往往价格低、销售困难。采用窖藏或冷藏延长销售期,费工时,投入大,且软腐病、霜霉病严重,造成不必要的经济损失。实践表明:若在白菜成熟前15天喷施青鲜素,作为留地贮藏,可根据市场需求分期分批上市。这样省工时、腐烂少,且效果好,一般可供应至3～4月,经济效益高。其配套技术如下。
The harvest of cabbage and more concentrated in 11 to 12 months. At this point often low prices, sales difficulties. The use of cellar or refrigerated to extend the sales period, time-consuming, large investment, and soft rot, downy mildew serious, resulting in unnecessary economic losses. Practice shows that: if the green cabbage sprayed 15 days before maturity, as a place of storage, according to market demand in batches listed. This saves time, less decay, and the effect is good, generally available to 3 to 4 months, high economic returns. The supporting technology is as follows.