庆安县

庆安县绿色食品产地环境质量预警研究

Environment quantity early warning of green food place in Qing'an County

农业生态系统发展模式设计研究&以黑龙江省庆安县六合村生态农业模式设计为例

Systematic Design of Ecological Agriculture Model in Liuhe Village

绿色食品产地生态环境质量分析与评价&以庆安县国家级生态农业示范区为例

Appraisal on eco-environment factors in green food producing area

他带着母亲、女儿以及两个儿子来到了庆安县，并购买了火车票。

He brought hismother , daughter and two sons to the railway station in Qingan County , and purchased tickets .

黑龙江省庆安县六合村自1986年开始进行生态农业建设，由于利用生态经济学原理和系统工程方法进行调控，采取了一系列农业生态工程措施，取得了明显的经济、生态和社会效益。

Liuhe village began ecological agriculture construction in 1986 according to the principles of ecological economy and methods of systematic engineering , a series of practices have been applied , such as regulating the ratio of farming to lives-tocks , planting more grasses and trees .