太行山是我省主要产枣区之一，但由于立地条件差，自然气候影响大，枣的坐果率高低不稳，严重影响着红枣的产量。近十多年中出现了多种保花保果技术，仅在太行山枣区应用的保花保果剂就达到近２０种，呈现出杂乱无章的局面。保花保果的效果有的较好，有的则较差，有的甚至... Taihang Mountain is one of the main producing jujube regions in our province. However, due to poor site conditions and great influence on natural climate, the fruit setting rate of jujube is unstable and seriously affects the output of jujube. In the recent ten years, many varieties of flower-keeping and fruit-preserving technologies have emerged. Only about 20 species of flower-preserving and preservative agents have been applied in the date palm area of ​​Taihang Mountain, presenting a messy situation. The effect of Paul flower and fruit preservation is better, while others are poorer, and some even ...