| Urban green space, street tree and heritage large tree assessment in Bangkok, Thailand B Thaiutsa, L Puangchit, R Kjelgren, W Arunpraparut Urban forestry & urban greening 7 (3), 219-229, 2008 | 260 | 2008 |
| Water conservation in urban landscapes R Kjelgren, L Rupp, D Kilgren HortScience 35 (6), 1037, 2000 | 243 | 2000 |
| Urban tree transpiration over turf and asphalt surfaces R Kjelgren, T Montague Atmospheric Environment 32 (1), 35-41, 1998 | 242 | 1998 |
| Drought responses of six ornamental herbaceous perennials N Zollinger, R Kjelgren, T Cerny-Koenig, K Kopp, R Koenig Scientia Horticulturae 109 (3), 267-274, 2006 | 126 | 2006 |
| Response of stomatal density and bound gas exchange in leaves of maize to soil water deficit W Zhao, Y Sun, R Kjelgren, X Liu Acta Physiologiae Plantarum 37, 1-9, 2015 | 122 | 2015 |
| Energy balance of six common landscape surfaces and the influence of surface properties on gas exchange of four containerized tree species T Montague, R Kjelgren Scientia Horticulturae 100 (1-4), 229-249, 2004 | 121 | 2004 |
| Microclimates and tree growth in three urban spaces RK Kjelgren, JR Clark Journal of Environmental Horticulture 10 (3), 139-145, 1992 | 119 | 1992 |
| Effects of soil water and nitrogen availability on photosynthesis and water use efficiency of Robinia pseudoacacia seedlings X Liu, Y Fan, J Long, R Wei, R Kjelgren, C Gong, J Zhao Journal of Environmental Sciences 25 (3), 585-595, 2013 | 118 | 2013 |
| Situational Waste in Landscape Watering: Residential and Business Water Use in an Urban Utah Community1 J Endter‐Wada, J Kurtzman, SP Keenan, RK Kjelgren, CMU Neale JAWRA Journal of the American Water Resources Association 44 (4), 902-920, 2008 | 117 | 2008 |
| Water as a limiting factor in the development of urban trees JR Clark, R Kjelgren Arboriculture & Urban Forestry (AUF) 16 (8), 203-208, 1990 | 105 | 1990 |
| Plant species vulnerability to climate change in Peninsular Thailand Y Trisurat, RP Shrestha, R Kjelgren Applied Geography 31 (3), 1106-1114, 2011 | 89 | 2011 |
| Relative salinity tolerance of intermountain western United States native herbaceous perennials N Zollinger, R Koenig, T Cerny-Koenig, R Kjelgren HortScience 42 (3), 529-534, 2007 | 71 | 2007 |
| Establishment in treeshelters I: Shelters reduce growth, water use, and hardiness, but not drought avoidance. R Kjelgren, LA Rupp | 67 | 1997 |
| Water wise: Native plants for intermountain landscapes W Mee, J Barnes, R Kjelgren, R Sutton Utah State University Press, 2003 | 61 | 2003 |
| Groundwater capture using hybrid poplar trees: evaluation of a system in Ogden, Utah A Ferro, J Chard, R Kjelgren, B Chard, D Turner, T Montague International Journal of Phytoremediation 3 (1), 87-104, 2001 | 60 | 2001 |
| Water use requirements of pistachio trees and response to water stress D Goldhamer, R Kjelgren | 57 | 1986 |
| Water-efficient urban landscapes: Integrating different water use categorizations and plant types H Sun, K Kopp, R Kjelgren HortScience 47 (2), 254-263, 2012 | 51 | 2012 |
| Growth and water relations of Liquidambar styraciflua L. in an urban park and plaza RK Kjelgren, JR Clark Trees 7, 195-201, 1993 | 51 | 1993 |
| Yields, Phenolic Profiles and Antioxidant Activities of Ziziphus jujube Mill. in Response to Different Fertilization Treatments CS Wu, QH Gao, RK Kjelgren, XD Guo, M Wang Molecules 18 (10), 12029-12040, 2013 | 49 | 2013 |
| Surface energy balance affects gas exchange and growth of two irrigated landscape tree species in an arid climate. T Montague, R Kjelgren, L Rupp | 49 | 2000 |
