夏莴笋生产中的主要障碍是先期抽基，导致高笋细长，产量降低，商品性差。我市珍门、白布蔬菜基地采用综合技术措施，成功地控制了夏宫笋先期抽变的发生，效果十分明显。夏禹笋667m2平均产量在2000kg以上，且高笋粗壮，商品性好，上市期处于6月底至7月上中旬，货源稀少，成为抢 The main obstacle in the production of summer lettuce is the early pumping base, resulting in slender bamboo shoots, lower yield, poor product. Our city Zhenmen, white cloth vegetable base using integrated technical measures, successfully controlled the summer house bamboo shoots predation occurred, the effect is very obvious. Xia Yu Shing 667m2 average yield of more than 2000kg, tall bamboo shoots and strong, good merchandise, the listing period is from the end of June to mid July, scarce supply, a grab