小枣为我省特产,栽培面积达30万亩,分布在沧县、献县、交河、河间、青县、盐山、玉田等县,常年产量5,000—6,000万斤左右。但由于枣产区群众历来惯用木杆打枣的方法进行采收,每年打落大量枣股、枣吊、叶片,致使各级骨干枝伤疤累累,难于愈合,树体受到严重损伤,对小枣的产量和品质影响极大。1975年以来,我们试验用乙烯利催落法采收小 Jujube for the specialty of our province, cultivation area of ​​30 mu, located in Cangxian, Xianxian, Jiaohe, Hejian, Qingxian, Yanshan, Yutian counties, perennial output of 5,000-6,000 kg. However, since the people in the jujube producing area have traditionally used woodworking methods for harvesting, a large number of jujube shares, date hanging and leaves are knocked down every year, resulting in scarring of the backbone branches at all levels, difficulty in healing, severe damage to the jujube The yield and quality of great impact. Since 1975, we have experimented with small ethylene ethane offtake method