【摘要】 通过调查 ,总结出七种适用于黄土丘陵区退耕还林 (草 )的模式 :乔、灌结合式、林草结合式、林粮结合式、集流高效经济林、集流速生用材林、集流灌、药、草经济林以及半退半耕式。同时提出生态农业建设的新思路 :一必须坚持林体结构全面发展、土地资源全面绿化、林业资源综合利用的“两全一综”的林业发展战略 ;二必须实现用乔、灌、草覆盖“四荒”、用干鲜果覆盖农田的“两个覆盖”的奋斗目标 ,只有这样方能达到退耕还林和山区整体脱贫之目的更多还原

【Abstract】 summarized out seven patterns of return farmland to forest,tree and shrub,forest and grass,forest and grain,catchment ligh effect cash forest,catchment fastgrowing timber plantation,catchment shrub drug grass,and half return.New thinking about eco agriculture construction was put forward of firstly adhering the forestry development strategy of forestry structure overall development,all around land greening,forest resource comprehensive utilization,and secondly realizing “two covering”,covering mountain with trees,shrubs,and grasses,and covering farmland with fruit trees.更多还原