[1]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.

[2]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.

[3]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

[4]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

[5]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

[6]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

[7]Crop productivity and nutrient use efficiency as affected by long-term fertilisation in North China Plain. Wang, Yingchun,Wang, Enli,Smith, Chris J.,Wang, Yingchun,Huang, Shaomin,Wang, Daolong,Ma, Yibing,Wang, Ligang.

[8]Effect of phosphorus application and strip-intercropping on yield and some wheat-grain components in a wheat/maize/potato intercropping system. Zhang, Enhe,Huang, Gaobao,Zhang, Lijun,Wang, Gang,Zhang, Lijun,He, Chunyu,Zhang, Bo,Wang, Qi,Qiang, Shengjun. 2011

[9]Crop acquisition of phosphorus, iron and zinc from soil in cereal/legume intercropping systems: a critical review. Xue, Yanfang,Xia, Haiyong,Xia, Haiyong,Zhang, Zheng,Christie, Peter,Li, Long,Tang, Caixian.

[10]Nitrate Leaching from Maize Intercropping Systems with N Fertilizer Over-Dose. Nie Sheng-wei,Chen Yuan-quan,Sui Peng,Huang Jian-xiong,Nie Sheng-wei,Huang Shao-min,Eneji, A. Egrinya. 2012

[11]Soil Nitrous Oxide Emissions Under Maize-Legume Intercropping System in the North China Plain. Huang Jian-xiong,Chen Yuan-quan,Sui Peng,Nie Sheng-wei,Gao Wang-sheng,Nie Sheng-wei. 2014

[12]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

[13]Photosynthetically active radiation determining yields for an intercrop of maize with cabbage. Wang, Qingsuo,Sun, Dongbao,Hao, Hong,Zhao, Xuejiao,Hao, Weiping,Liu, Qiong.

[14]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

[15]An Effective Intercropping Pattern Reducing the Incidence of Pepper Phyllosticta Leaf Blight in Capsicum Fields. Wu, Chun-Yuan,Wu, Dong-Ming,Yang, Gui-Sheng,Li, Wei,Li, Qin-Fen,Wu, Chun-Yuan,Wu, Dong-Ming,Yang, Gui-Sheng,Li, Wei,Li, Qin-Fen. 2017

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

[17]Effect of maize-legume intercropping on soil nitrate and ammonium accumulation. Huang, Jian-xiong,Sui, Peng,Nie, Sheng-wei,Wang, Bing-bing,Nie, Zi-jin,Gao, Wang-sheng,Chen, Yuan-quan,Nie, Sheng-wei.

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

[19]Competitive interaction in a jujube tree/wheat agroforestry system in northwest China's Xinjiang Province. Zhang, W.,Wang, B. J.,Gan, Y. W.,Duan, Z. P.,Hao, X. D.,Lv, X.,Li, L. H.,Xu, W. L.. 2017

[20]Impact of Wheat-Mung Bean Intercropping on English Grain Aphid (Hemiptera: Aphididae) Populations and Its Natural Enemy. Chen, Ju-Lian,Cheng, Deng-Fa,Zhou, Hai-Bo,Sun, Jing-Rui,Liu, Yong,Francis, Frederic. 2012