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在系统分析泉家沟试验区小流域综合治理１５ ａ 实践的基础上，肯定了黄土丘陵沟壑区农业生态环境的改善，通过合理利用土地资源、大量兴修基本农田、营造人工植被、调整农业内部结构、增加农田能量投入等途径，完全可以实现生态农业的目标。泉家沟试区以养猪—沼气—大棚菜“三位一体”为主的生态户的出现，标志着试区生态农业雏型已经形成。控制水土流失，建设生态农业，将成为黄土丘陵沟壑区农业发展的必由之路。
On the basis of systematically analyzing the 15-year practice of comprehensive management of small watershed in Quanjiagou experimental area, affirming the improvement of agro-ecological environment in loess hilly and gully area, through rational use of land resources, extensive revise of basic farmland, construction of artificial vegetation and adjustment of agricultural internal structure , Increase farmland energy inputs and other means, can achieve the goal of ecological agriculture. The appearance of eco-households mainly based on the “Trinity” of pig-biogas-greenhouse vegetable in the trial area of Quanjiagou indicates that a prototype of eco-agriculture in the pilot area has been formed. Control of soil and water loss, building ecological agriculture, will become the only way of agricultural development in the hilly and gully regions of the Loess Plateau.