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xiang mu shui tu bao chi gong zuo yu dang di nong ye ke chi xu fa zhan
Author(s): 
Pages: 33-35
Year: Issue:  3
Journal: Water Resources Science and Technology of Shandong

Keyword:  项目工程中德合作山东粮援项目水土保持工程农业可持续发展经济林水土保持工作水土保持林建设与管理项目建设水土资源;
Abstract: 沂蒙山区是全省水土流失面积分布最为集中,危害程度最为严重的地区。由于自然因素和人为的生产经营活动的破坏,水土流失面积达2万km2,占该区总土地面积的70%以上,水土流失区平均每年剥蚀土层厚度3.5mm,带走土壤养分折合标准化肥200多万吨,使土地肥力...
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