[1]Effects of fertilizers and manure on yields of wheat and oilseed: Results from a 22-yr fertilization trial in rain fed region of China. S. M. Yang,J. R. Song,W. Y.Yue,J. G. Wang,T. W.Guo,S. S. Malhi. 2005

[2]Dynamics of root length and distribution and shoot biomass of maize as affected by intercropping with different companion crops and phosphorus application rates. Xia, Hai-Yong,Christie, Peter,Zhang, Fu-Suo,Li, Long,Zhao, Jian-Hua,Sun, Jian-Hao,Bao, Xing-Guo,Christie, Peter.

[3]Contribution of interspecific interactions and phosphorus application to sustainable and productive intercropping systems. Xia, Hai-Yong,Wang, Zhi-Gang,Christie, Peter,Zhang, Fu-Suo,Li, Long,Zhao, Jian-Hua,Sun, Jian-Hao,Bao, Xing-Guo,Xia, Hai-Yong,Christie, Peter.

[4]Intercropping influenced the occurrence of stripe rust and powdery mildew in wheat. Luo, Huisheng,Jin, Ming'an,Jin, Shelin,Jia, Qiuzhen,Zhang, Bo,Huang, Jin,Wang, Xiaoming,Sun, Zhenyu,Shang, Xunwu,Cao, Shiqin,Duan, Xiayu,Zhou, Yilin,Chen, Wanquan,Liu, Taiguo.

[5]Crop yield, nitrogen uptake and nitrate-nitrogen accumulation in soil as affected by 23 annual applications of fertilizer and manure in the rainfed region of Northwestern China. Yang, Sheng-Mao,Malhi, S. S.,Song, Jian-Rong,Xiong, You-Cai,Yue, Wei-Yun,Lu, Li Li,Wang, Jian-Guo,Guo, Tian-Wen. 2006

[6]Intercropping with wheat leads to greater root weight density and larger below-ground space of irrigated maize at late growth stages. Li, Long,Li, Long,Zhang, Fusuo,Sun, Jianhao. 2011

[7]Maize grain concentrations and above-ground shoot acquisition of micronutrients as affected by intercropping with turnip, faba bean, chickpea, and soybean. Xia HaiYong,Xue YanFang,Zhang FuSuo,Li Long,Zhao JianHua,Sun JianHao,Bao XingGuo,Eagling, Tristan. 2013

[8]Effects of intercropping and nitrogen application on nitrate present in the profile of an Orthic Anthrosol in Northwest China. Li, WX,Li, L,Sun, JH,Guo, TW,Zhang, FS,Bao, XG,Peng, A,Tang, C. 2005

[9]Effects of nitrogen and phosphorus fertilizers and intercropping on uptake of nitrogen and phosphorus by wheat, maize, and faba bean. Li, WX,Li, L,Sun, JH,Zhang, FS,Christie, P. 2003

[10]Wheat/maize or wheat/soybean strip intercropping II. Recovery or compensation of maize and soybean after wheat harvesting. Li, L,Sun, JH,Zhang, FS,Li, XL,Rengel, Z,Yang, SC. 2001

[11]Wheat/maize or wheat/soybean strip intercropping I. Yield advantage and interspecific interactions on nutrients. Li, L,Sun, JH,Zhang, FS,Li, XL,Yang, SC,Rengel, Z. 2001

[12]Effect of intercropping on crop yield and chemical and microbiological properties in rhizosphere of wheat (Triticum aestivum L.), maize (Zea mays L.), and faba bean (Vicia faba L.). Song, Y. N.,Zhang, F. S.,Marschner, P.,Fan, F. L.,Gao, H. M.,Bao, X. G.,Sun, J. H.,Li, L.. 2007

[13]Community composition of ammonia-oxidizing bacteria in the rhizosphere of intercropped wheat (Triticum aestivum L.), maize (Zea mays L.), and faba bean (Vicia faba L.). Song, Y. N.,Marschner, P.,Li, L.,Bao, X. G.,Sun, J. H.,Zhang, F. S.. 2007

[14]Interspecific complementary and competitive interactions between intercropped maize and faba bean. Li, L,Yang, SC,Li, XL,Zhang, FS,Christie, P.

[15]Diversity enhances agricultural productivity via rhizosphere phosphorus facilitation on phosphorus-deficient soils. Li, Long,Li, Shu-Min,Sun, Jian-Hao,Zhou, Li-Li,Bao, Xing-Guo,Zhang, Hong-Gang,Zhang, Fu-Suo.

[16]Intercropping enhances soil carbon and nitrogen. Cong, Wen-Feng,Li, Long,Zhang, Fu-Suo,Cong, Wen-Feng,van der Werf, Wopke,Hoffland, Ellis,Six, Johan,Sun, Jian-Hao,Bao, Xing-Guo.

[17]Root distribution and interactions between intercropped species. Li, L,Sun, JH,Zhang, FS,Guo, TW,Bao, XG,Smith, FA,Smith, SE.

[18]High morphological and physiological plasticity of wheat roots is conducive to higher competitive ability of wheat than maize in intercropping systems. Liu, Yi-Xiang,Zhang, Wei-Ping,Li, Xiao-Fei,Christie, Peter,Li, Long,Sun, Jian-Hao.

[19]Intercropping maintains soil fertility in terms of chemical properties and enzyme activities on a timescale of one decade. Wang, Zhi-gang,Li, Xiao-fei,Jin, Xin,Christie, Peter,Li, Long,Bao, Xing-guo,Zhao, Jian-hua,Sun, Jian-hao.

[20]The role of complementarity and selection effects in P acquisition of intercropping systems. Li, Xiao-Fei,Zhang, Wei-Ping,Wang, Le-Hua,Tian, Xiu-Li,Li, Long,Wang, Cheng-Bao,Yang, Si-Cun,Jiang, Wan-Li,van Ruijven, Jasper. 2018