【摘要】 针对峨眉山地区引种的核桃开花少、不挂果等问题进行了实地调查,初步分析核桃不挂果的原因,同时提出了加强水肥管理、人工辅助授粉、合理密植、科学修剪、加强病虫防治等措施。更多还原

【Abstract】 According to these problems of the not fruit bearing time and it seldom flowers of introduction Juglans regia L.in the Emeishan area,field survey was done,the reasons of not fruit bearing time was analyzed,some developing strategies have been put forward in this paper that the the measures of strengthening management of fertilization and irrigation,make some artificial pollination,rational close planting and,scientific pruming and fortidfy the prevention and control measures of disease and pest.更多还原