Bakken L R, Borresen T, Njos A. Effect of soil compaction by tractor traffic on soil structure, denitrification, and yield of wheat. Journal of Soil Science, UK, 1987, 38(3): 541-552.
Dominique G, Thomas B, Claire B, et al. Experimental niche evolution alters the strength of the diversity-productivity relationship. Nature, 2011, 469: 89-92.
[15]
Tan X, Chang S, Kabzems R. Soil compaction and forest floor removal reduced microbial biomass and enzyme activities in a boreal aspen forest soil. Biology and Fertility of Soils, 2008, 44(3): 471-479.
[16]
Maria de L P R, José Augusto P B, Alexandre B B, et al. Artificially induced drought in Caxiuan reserve, eastern Amazonia: soil properties and litter spider fauna. Earth Interactions, 2007, 11: 1-13.
[17]
Niklas K J. Plant allometry: is there a grand unifying theory?. Biological Reviews, 2004, 79(4): 871-889.
[18]
Servadio P, Marsili A, Vignozzi N, et al. Effects on some soil qualities in central Italy following the passage of four wheel drive tractor fitted with single and dual tires. Soil and Tillage Research, 2005, 84: 87-100.
[19]
Niklas L, Janne B. Recovery of forest soil fauna diversity and composition after repeated summer droughts. Oikos, 2006, 114: 494-506.
[20]
Niklas K J. Modelling below- and above-ground biomass for non-woody and woody plants. Annals of Botany, 2005, 95(2): 315-321.
[21]
Imhoff S, Da Silva A P, Fallow D. Susceptibility to compaction, load support capacity, and soil compressibility of Hapludox. Soil Science Society of America Journal, 2004, 68(1): 17-24.
[22]
Niklas K J, Enquist B J. Invariant scaling relationships for interspecific plant biomass production rates and body size. PNAS, 2001, 98(5): 2922-2927.
[23]
Sinnett D, Morgan G, Williams M, et al. Soil penetration resistance and tree root development. Soil Use Management, 2008, 24(3): 273-280.
