枣树栽培省工、适应性强、收益快，且对绿化荒山、防风固沙、净化环境有着重要作用。我省近几年矮化密植枣园如雨后春笋，发展迅速，种植面积较大。但由于枣树自然坐果率低，品质差，加之枣农管理水平有限，导致落花落果特别严重，影响产量、品质和农民的经济收入。为此，提高 Jujube cultivation of provincial workers, adaptability, rapid returns, and green barren hills, wind and sand, purifying the environment has an important role. In recent years, dwarf and dense planting jujube in our province springing up, the rapid development of larger area. However, due to the low natural fruit setting rate and poor quality of jujube trees, and the limited management of jujube farms, the jujube farmers have a particularly serious impact on output and quality and the economic income of peasants. To this end, improve