温带半湿润沙区生态果园建设研究

温带半湿润沙地生态果园，是以生态农业为方向，以生态系统整体有序为原则，因地制宜地建立起来的林，果，粮，经济作物合理配置，种，养，国一体化的沙地复合生态经济系统。沙地生态果园具有生态功能与生产功能相融合的系统结构，是沙地地区寓生态效益经济开发之中的成功模式，是沙地资源利用，沙地农业持续发展和重要途径之一。

A Study on Ecological Orchard in the Temperate Zone Semihumid Sandyland

The ecoloical orchard in the temperate zone semihumid sandyland is built in orgerto ecological agriculture folowin in tegral order of ecological system. It takes such measuresas are suitable to local conditions to bulld a complex ecoogical system included agriculture.Liverstock breeding and industy on sandlyland on which trees, fruit tress. Crops and industrial crops are arramged hamoniously. The ecological orchard on sandyland has a systemstructare poing ecological function and preductive function. And it is a successful modelcombined ecological efficacg and economic devopment. It is one of important methods to assurethat sandyland resourse are used perpetuitily and agriculture on sandyland developslaways.