沾化冬枣是我国枣属中的一个珍稀品种 ,因其晚熟质优 ,富含营养 ,引起栽培者广泛关注。观察发现冬枣在密植栽培条件下 ,虽能早花早果 ,但坐果率较低 ,产量不稳定。为解决这一问题 ,于 1 998年在永丰乡前孙村、韩家村及下河乡大邵村、东张村进行了各种激素应用试验。试验树均为 Zhanhuadongzao jujube is a rare species in China, because of its late-maturity high quality, rich in nutrients, causing widespread concern cultivated. Observed that the jujube in close planting conditions, although the early flowering early fruit, but the fruit setting rate is lower, the output is not stable. In order to solve this problem, a variety of hormone application tests were conducted in 1998 in Suncun, Hanjiancun, Xiahe Shao Village, and Dongzicun Village, Yongfeng Township. Test trees are