密云制定“三高”果树标准为满足市场需要，实现县委、县政府提出的＂发展十万亩、改造五万亩果园＂的规划，由密云县政府农林办公室转发的密云县林业局关于《密云县鲜果建园标准》、《密云县干果建园标准》、《密云县果树骨干苗圃管理办法及标准》等三个标准，在全县执行... Miyun formulates the standard of “three highs” fruit trees In order to meet the needs of the market and realize the plan of “developing 100,000 mu and renovating 50,000 mu orchards” proposed by the county government and county government, Miyun County Forestry Bureau County fruit garden construction standards “,” Miyun County, dried fruit garden construction standards “,” Miyun fruit tree nursery management practices and standards "and three other standards in the county ...