2016-2020  The thirteenth five-Year National Key R&D Program of China: Ecological function assessment of grassland integrated utilization and ecological derivative industry and ecological restoring expert’s system development (No. 2016YFC0501906-2, Chief researcher).

2011-2015  The twelfth five-Year National Science and Technology Support Program: Key technologies of high efficient water utilization for cash crops in ecologically vulnerable areas of Northwest China (No. 2011BAD29B04, Participant).

2009-2011  The project of the national natural foundation of China: The effect of carbon inputted by catch crop on soil nitrogen and carbon transformation in greenhouse vegetable cropping system. (40801110, Chief researcher)

1. Ruiying Guo, Wei Qin, Chunguang Jiang, Lingyun Kang, Claas Nendel, Qing Chen*, 2018. Sweet corn significantly increases nitrogen retention and reduces nitrogen leaching as summer catch crop in protected vegetable production systems. Soil & Tillage Research 180: 148-153
2. Zhanhuan Shang*, Jingjuan Cao, Ruiying Guo, Zalman Henkin, Luming Ding, Ruijun Long, Bo Deng. 2017. Effect of enclosure on soil carbon, nitrogen and phosphorus of alpine desert rangeland. Land Degradation & Development 28:1166-1177.
3. Xiao-e Liu, Xiaogang Li*, Ruiying Guo, Yakov Kuzyakov, Li Fengmin. 2015. The effect of plastic mulch on the fate of urea-N in rain-fed maize production in a semiarid environment as assessed by 15N-labeling. European Jorunal of Agronomy 70:71–77.
4. Ruiying Guo, Fenmin Li*, 2014. Agroecosystem management in arid areas under climate change: Experiences from the Semiarid Loess Plateau, China. World Agriculture 4(2):19-29.
5. Zhanhuan Shang*, Jingjuan Cao, Ruiying Guo, Ruijun Long, Bo Deng. 2014. The response of soil organic carbon and nitrogen 10 years after returning cultivated alpine steppe to grassland by abandonment or reseeding. Catena 119: 28-34.
6. Ruiying Guo, Claas Nendel*, Clive Rahn, Chunguang Jiang, Qing Chen. 2010. Tracking nitrogen losses in a greenhouse crop rotation experiment in North China using the EU-Rotate_N simulation model. Environmental Pollution 158 (6): 2218-2229.
7. Yu Jia, Fengmin Li*, Zhenhua Zhang, Xiaoling Wang, Ruiying Guo, Kadambot H.M. Siddique. 2009. Productivity and water use of alfalfa and subsequent crops in the semiarid Loess Plateau with different stand ages ofalfalfa and crop sequences. Field Crop Research 114: 58-65.
8. Ruiying Guo, Xiaolin Li, Peter Christie, Qing Chen*, Fusuo Zhang. 2008. Seasonal temperatures have more influence than nitrogen fertilizer rates on cucumber yield and nitrogen uptake in a double cropping system. Environmental Pollution 151: 443-451. 
9. Ruiying Guo, Xiaolin Li, Peter Christie, Qing Chen*, Rongfeng Jiang, Fusuo Zhang. 2008. Influence of rootzone nitrogen management and summer catch crop planting on cucumber yields and soil Nmin dynamic in greenhouse vegetable system. Plant and Soil 313: 55-70.