中文摘要：

退耕还林工程实施十几年来,退耕区生态环境得到明显改善,而作为退耕主体的农户的农业生产也成为了社会关注的焦点,对其研究可以揭示退耕还林对农业生产的冲击和影响。现利用DEA模型,以陕西省安塞县为样本区对退耕农户的农业生产效率进行了测算和分析。结果表明：退耕区农户的农业生产效率有所提高;大部分农户的农业生产处于规模收益递增状态。并根据这一结论给出了相关的建议。

英文摘要：

Returning farmland to forests in the past ten years, abandoned ecological environment have markedly improved,and abandoned main farmers agricultural production has also become the focus of attention. Their research can reveal the impact and influence of the returning farmland for agricultural production. In this paper, DEA model, the farmersagricultural production efficiency was measured and analyzed as a sample area ot Ansai County. The results showed that the abandoned area farmers increased agricultural productivity; most of the agricultural production of the farmers inincreasing returned to scale. According to this conclusion was given related recommendations.