[1]Firbank LG, Watkinson AR. On the effects of plant competition: from monocultures to mixtures. In: Grace J B, Tilman D. Perspectives on Plant Competition. San Diego, CA: Academic Press, 1990.pp 165–192



[2]Takim FO. Advantages of maize-cowpea intercropping over sole cropping through competition indices.J Agric Biodiversity Res, 2012,1:53–59



[3]Vandermeer JH. The Ecology of Intercropping.New York: Cambridge University Press,1989



[4]Li L, Sun J H, Zhang F S, Li X L,Yang S C, Rengel Z. Wheat/maize or wheat/soybean strip intercropping: I. Yield advantage and interspecific interactions on nutrients. Field Crops Res,2001,71: 123–137



[5]Tsay JS, Fukai S, Wilson GL. Effects of relative sowing time of soybean on growth and yield of cassava in cassava /soybean intercropping. Field Crops Res, 1988, 19: 227–239



[6]Woldeamlaki A, Bastiaans L, Struik PC. Competition and niche differentiation in barley (Hordeum vulgare) and wheat (Triticum aestivum) mixtures under rainfed conditions in the Central Highlands of Eritrea. Netherlands J Agric Sci, 2001,49: 95–112



[7]张海林,高旺盛,陈阜,朱文珊.保护性耕作研究现状、发展趋势及对策.中国农业大学学报,2005,10(1):16–20



Zhang HL, Gao WS, Chen F, Zhu WS. Prospects and present situation of conservation tillage. J China Agric Univ, 2005, 10(1): 16–20(in Chinese with English abstract)



[8]Sun H Y, Shao L W, Liu X W, Miao W F, Chen S Y, Zhang X Y. Determination of water consumption and the water-saving potential of three mulching methods in a jujube orchard. Eur J Agron, 2012, 43: 87–95



[9]Monneveux P, Quillerou E, Sanchez1 C, Lopez-Cesati J. Effect of zero tillage and residues conservation on continuous maize cropping in a subtropical environment. Plant Soil, 2006, 279: 95–105



[10]Al-Kaisi MM, Yin X. Tillage and crop residue effects on soil carbon and carbon dioxide emission in corn-soybean rotation. J Environ Qual, 2005, 34:437–445



[11]Mariela F, Claudia H, Jorge E, Fernando DL, Armando G, Luc D, Nele V, Bram G. Conservation agriculture, increased organic carbon in the top-soil macro-aggregates and reduced soil CO2 emissions. Plant Soil, 2012, 355:183–193



[12]Cahill JF. Fertilization effects on interaction between above- and below-ground competition in an old field.Ecology, 1999, 80: 466–480



[13]Dhima KV, Lithourgidis AS, Vasilakoglou IB,Dordas CA. Competition indices of common vetch and cereal intercrops in two seeding ratio. Field Crops Res, 2007, 100: 249–256



[14]Willey R W. Intercropping its importance and research needs: I. Competition and yield advantage. Field Crops Abstr, 1979, 32: 1–10



[15]Li L, Sun J H, Zhang F S, Li X L,Rengel Z, Yang S C. Wheat/maize or wheat/soybean strip intercropping: II. Recovery or compensation of maize and soybean after wheat harvesting. Field Crops Res, 2001, 71: 173–181



[16]Zhang F S, Li L. Using competitive and facilitative interactions in intercropping systems enhances crop productivity and nutrient-use efficiency.Plant Soil, 2003, 248: 305–312



[17]Midmore MD, Roca J, BerriosID. Potato (Solanum spp.) in the hot tropics: IV. Intercropping with maize and the influence of shade on potato microenvironment and crop growth. Field Crops Res, 1988,18: 145–157



[18]樊志龙,陶志强,柴强,于爱忠,黄鹏.少耕秸秆覆盖对小麦间作玉米产量和水分利用的影响.灌溉排水学报,2012,31(1):109–112



Fan ZL, Tao ZQ, Chai Q, Yu AZ, Huang P. Yield and water use efficiency of wheat corn intercropping with reduced tillage and wheat straw mulching. J Irrig Drainage, 2012,31(1):109–112(in Chinese with English abstract)



[19]Gao Z Q,Yin J.Effects of tillage and mulch methods on soil moisture in wheat fields of Loess Plateau,China. Pedosphere,1999,9:161–168



[20]Domzal H,Slowinska-Jurkiewica A.Effects of tillage and weather conditions on structure and physical properties of soil and yield of winter wheat.Soil Till Res,1987,10:225–241



[21]冯福学,黄高宝,于爱忠,柴强,陶明,李杰.不同保护性耕作措施对武威绿洲灌区冬小麦水分利用的影响.应用生态学报,2009,20:1060–1065



Feng F X, Huang G B, Yu A Z, Chai Q, Tao M, Li J. Effects of different conservation tillage measures on winter wheat water use in Wuwei oasis irrigated area. Chin J Appl Ecol, 2009, 20: 1060–1065(in Chinese with English abstract)



[22]卜玉山, 苗果园, 邵海林, 王建程. 对地膜和秸秆覆盖玉米生长发育与产量的分析. 作物学报, 2006,32: 1090–1093



Bu Y S, Miao G Y, Shao H L, Wang J C. Analysis of growth and development and yield of corn mulched with plastic film and straw.Acta Agron Sin, 2006,32: 1090–1093 (in Chinese with English abstract)



[23]王喜庆, 李生秀, 高亚军. 地膜覆盖对旱地春玉米生理生态和产量的影响.作物学报, 1998, 24: 348–353



Wang X Q, Li S X, Gao Y J. Effect of plastic film mulching on ecophysiology and yield of the spring maize on the arid land. Acta Agron Sin, 1998, 24: 348–353 (in Chinese with English abstract)



[24]齐万海,柴强.不同隔根方式下间作小麦玉米的竞争力及产量响应.中国生态农业学报,2010,18:31–34



Qi W H, Chai Q. Yield response to wheat/maize competitiveness in wheat/maize intercropping system under different root partition patterns. Chin J Eco-Agric, 2010, 18: 31–34(in Chinese with English abstract)