提高枣树坐果率的措施河北农业大学园艺系张建光枣树是我国的特产是对，在是品的对内、对外贸易中均占有十分重要的地位。大力发展枣树生产，充分挖掘现有枣树的生产潜力，对促进我国国民经济建设具有极其重要的意义。枣树每年花量都很大，但落花落果非常严重。例如，一株... Measures to improve jujube fruit setting rate Zhang Jianguang Department of Horticulture, Agricultural University of Hebei Jujube is China’s specialty is right in the product of both domestic and foreign trade are occupying a very important position. Vigorously develop jujube production, tap the full potential of the existing jujube production, to promote China’s national economic construction is extremely important. Jujube flowers are large each year, but the drop is very serious. For example, a ...