应重视围山转果园的管理唐山市１９８５─１９９２年修筑围山转已达３４６６６ｈｍ２，并已栽植了各种果树；围山转果园是一条综合治理山区，发展两高一优农业生态平衡的途径，但由于发展速度快管理技术跟不上，也存在一些急待解决的问题。如等高线高低不平，有的沟上宽下... Should pay attention to the management of orchards turnip Tangshan 1985-1992 built Wai mountain transfer has reached 34666hm2, and has planted a variety of fruit trees; Wai turn to orchards is a comprehensive management of mountainous areas, the development of two high and one excellent agricultural ecosystem balance approach , But due to the rapid development of management technology can not keep up, there are some urgent problems to be solved. Such as contours of rugged, some ditches wide under ...