TY - Journal of Ecology and Rural Environment A1 - WANG Han-sheng T1 - Agroforestry Paradigm Concerning Non-Irrigated Apple Orchards in Tableland Areas of the Loess Plateau Y1 - 2018-05-25 JF - Journal of Ecology and Rural Environment JO - Journal of Ecology and Rural Environment SP - 408 EP - 418 VL - 34 IS - 5 UR - http://www.ere.ac.cn N1 - 10.11934/j.issn.1673-4831.2018.05.004 ER -