黑龙江垦区具有丰富的农业资源，但是，由于多年来片面追求粮食产量和经济效益，农业生态系统破坏严重。
Reclamation area of Heilongjiang is rich for agricultural resources. But the agroecosystem has been seriously destroying in recent years due to pursuing grain yield and economic profit.
黑龙江垦区具有丰富的农业资源，但是，由于多年来片面追求粮食产量和经济效益，农业生态系统破坏严重。
Reclamation area of Heilongjiang is rich for agricultural resources. But the agroecosystem has been seriously destroying in recent years due to pursuing grain yield and economic profit.
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