[1] Qiang X, An Z, Song Y, et al. New eolian red clay sequence on the western Chinese Loess Plateau linked to onset of Asian desertification about 25 Ma ago[J]. Science China-Earth Sciences, 2011, 54:136-44.
[2] Guo Z T, Ruddiman W F, Hao Q Z, et al. Onset of Asian desertification by 22 Myr ago inferred from loess deposits in China[J]. Nature, 2002, 416:159-63.
[3] 朱显谟, 任美锷. 中国黄土高原的形成过程与整治研究[J]. 中国人口·资源与环境, 1991(1):21-28.
[4] 任美锷. 黄河输沙量的过去、现在和将来[J]. 科学, 2003, 55(1):37-40.
[5] 郭文韬. 略论中国原始农业的耕作制度[J]. 中国农史, 1991, 9(4):32-36.
[6] 张强. 由三杨庄遗址中的农田遗迹看商周及其以前农耕方式的演变[J]. 中国农史2014, 33(5):14-24, 67.
[7] 李凤民, 徐进章, 孙国钧. 半干旱黄土高原退化生态系统的修复与生态农业发展[J]. 生态学报, 2003, 23(9):1901-1909.
[8] 李凤民, 徐进章. 黄土高原半干旱地区集水型生态农业分析[J]. 中国生态农业学报, 2002, 10(1):101-103.
[9] Guo R Y, Li F M. Agroecosystem management in arid areas under climate change:Experiences from the Semiarid Loess Plateau, China. World Agriculture, 2014, 4(2):19-29.
[10] 杨新民, 路民生, 谢德. 陇原乡村巨变——甘肃农村改革开放30年资料汇编[M]. 兰州:甘肃人民出版社, 2009.
[11] 李生秀,李世清,高亚军,等. 施用氮肥对提高旱地作物利用土壤水分的作用机理和效果[J]. 干旱地区农业研究, 1994, 12(1):38-46.
[12] 杜建军, 李生秀, 李世清, 等. 不同肥水条件对旱地土壤供氮能力的影响. 西北农业大学学报, 1998, 26(6):4-8.
[13] 杜建军, 李生秀, 李世清, 等. 歉水年底墒和水肥施用时期对冬小麦产量的影响[J]. 干旱地区农业研究, 1998, 16(3):18-22.
[14] 王邦锡, 黄久常, 赵大千, 等. 旱地施肥对春小麦产量和水分利用效率影响的研究[J]. 干旱地区农业研究, 1990(4):98-104.
[15] 赵松岭, 李凤民, 王静. 半干旱地区集水农业的可行性[J]. 西北植物学报, 1995, 15(8):9-12.
[16] 赵松岭, 王静, 李凤民, 等. 黄土高原半干旱地区水土保持型农业的局限性[J]. 西北植物学报, 1995, 15(8):13-18.
[17] 王克敏. 日光温室马铃薯脱毒微型种薯生产技术[J]. 甘肃农业, 2005(2):91.
[18] 谭伟军. 定西市马铃薯脱毒种薯生产技术[J]. 中国马铃薯, 2009, 23(5):306-307.
[19] Zhang F, Zhang W, Qi J, et al. A regional evaluation of plastic film mulching for improving crop yields on the Loess Plateau of China[J]. Agricultural and Forest Meteorology, 2018, 248:458-68.
[20] Zhao H, Wang R Y, Ma B L, et al. Ridge-furrow with full plastic film mulching improves water use efficiency and tuber yields of potato in a semiarid rainfed ecosystem[J]. Field Crops Research, 2014, 161:137-48.
[21] Zhou L M, Li F M, Jin S L, Song Y. How two ridges and the furrow mulched with plastic film affect soil water, soil temperature and yield of maize on the semiarid Loess Plateau of China[J]. Field Crops Research, 2009, 113:41-47.
[22] Zhao H, Xiong Y C, Li F M, et al. Plastic film mulch for half growing-season maximized WUE and yield of potato via moisture-temperature improvement in a semiarid agroecosystem[J]. Agricultural Water Management, 2012, 104:68-78.
[23] Liu X E, Li X G, Hai L, et al. Film-mulched ridge-furrow management increases maize productivity and sustains soil organic carbon in a dryland cropping system[J]. Soil Science Society of America Journal, 2014, 78:1434-1441.
[24] Liu X E, Li X G, Hai L, et al. How efficient is film fully-mulched ridge-furrow cropping to conserve rainfall in soil at a rainfed site?[J]. Field Crops Research, 2014, 169:107-115.
[25] Liu C A, Zhou L M, Jia J J, et al. Maize yield and water balance is affected by nitrogen application in a filmmulching ridge-furrow system in a semiarid region of China[J]. European Journal of Agronomy, 2014, 52:103-111.
[26] Liu C A, Jin S L, Zhou L M, et al. Effects of plastic film mulch and tillage on maize productivity and soil parameters[J]. European Journal of Agronomy, 2009, 31:241-249.
[27] Zhang F, Zhang W, Li M, et al. Does long-term plastic film mulching really decrease sequestration of organic carbon in soil in the Loess Plateau?[J]. European Journal of Agronomy, 2017, 89:53-60.
[28] 李玉山. 旱作高产田产量波动性和土壤干燥化[J]. 土壤学报2001, 38(3):353-356.
[29] 李玉山. 黄土区土壤水分循环特征及其对陆地水分循环的影响[J]. 生态学报, 1983, 3(2):91-101.
[30] 万宝瑞. 摆脱靠天种地粮食可以再增产——关于甘肃等省区发展旱作农业的调查[J]. 求是, 2013(19):25-27.
[31] 吴晓燕, 鲁明. 甘肃:在干旱大地上书写农业传奇[N]. 农民日报, 2019-08-12(1).
[32] 王朝霞. 甘肃省一千万亩旱作农业被认定为国家级示范区[N]. 甘肃日报, 2012-05-26.
[33] 山仑, 李银锄. 黄土高原的水土流失防治和综合治理[J]. 干旱地区农业研究, 1984(3):1-9.
[34] 山仑, 徐炳成. 黄土高原半干旱地区建设稳定人工草地的探讨[J]. 草业学报, 2009, 18(2):1-2.
[35] Zhang W S, Li F M, Xiong Y C, et al. Econometric analysis of the determinants of adoption of raising sheep in folds by farmers in the semiarid Loess Plateau of China[J]. Ecological Economics, 2012, 74:145-152.
[36] Jia Y, Li F M, Zhang Z H, et al. Productivity and water use of alfalfa and subsequent crops in the semiarid Loess Plateau with different stand ages of alfalfa and crop sequences[J]. Field Crops Research, 2009, 114:58-65.
[37] Guan X K, Zhang X H, Turner N C, et al. Two perennial legumes (Astragalus adsurgens Pall. and Lespedeza davurica S.) adapted to semiarid environments are not as productive as lucerne (Medicago sativa L.), but use less water[J]. Grass and Forage Science, 2013, 68:469-478.
[38] Xu B C, Gichuki P, Shan L, et al. Aboveground biomass production and soil water dynamics of four leguminous forages in semiarid region, northwest China[J]. South African Journal of Botany, 2006, 72:507-516.
[39] 国家林业局发布第二次全国荒漠化、沙化土地监测结果[EB/OL]. (2011-01-05)[2020-05-10]. http://www.scio.gov.cn/m/ztk/xwfb/18/10/document/838878/838878.htm.
[40] Chen Y, Wang K, Lin Y, et al. Balancing green and grain trade[J]. Nature Geoscience, 2015, 8:739-741.
[41] Wei J Z, Zheng K, Zhang F, et al. Migration of rural residents to urban areas drives grassland vegetation increase in China's Loess Plateau[J]. Sustainability, 2019, 11(23):6764.
[42] Zheng K, Wei J Z, Pei J Y, et al. Impacts of climate change and human activities on grassland vegetation variation in the Chinese Loess Plateau[J]. Science of the Total Environment, 2019, 660:236-44.
[43] Zheng K, Ye J S, Jin B C, et al. Effects of agriculture, climate, and policy on NDVI change in a semiarid river basin of the Chinese Loess Plateau[J]. Arid Land Research and Management, 2019, 33:321-38.