Soil-atmosphere exchange of CH4, CO2, NOx, and N2O in the Colorado shortgrass steppe under elevated CO2 A.R. MosierJ.A. MorganD.G. Milchunas OriginalPaper Pages: 201 - 211
Response of soil CO2 efflux to water manipulation in a tallgrass prairie ecosystem Xiaozhong LiuShiqiang WanYiqi Luo OriginalPaper Pages: 213 - 223
Two-dimensional growth of a root system modelled as a diffusion process. I. Analytical solutions P. de WilligenM. HeinenM. Van Noordwijk OriginalPaper Pages: 225 - 234
Effects of atmospheric deposition, soil pH and acidification on heavy metal contents in soils and vegetation of semi-natural ecosystems at Rothamsted Experimental Station, UK L. BlakeK.W.T. Goulding OriginalPaper Pages: 235 - 251
Enhancing the early performance of the leguminous shrub Retama sphaerocarpa (L.) Boiss.: fertilisation versus Rhizobium inoculation Fernando ValladaresPedro Villar-SalvadorFrancisco I. Pugnaire OriginalPaper Pages: 253 - 262
Contrasting seasonal patterns of fine root production for blue oaks (Quercus douglasii) and annual grasses in California oak woodland Xiaomei ChengCaroline S. Bledsoe OriginalPaper Pages: 263 - 274
Decomposability of C3 and C4 grass litter sampled under different concentrations of atmospheric carbon dioxide at a natural CO2 spring D. J. RossK. R. TateH. Clark OriginalPaper Pages: 275 - 286
Copper sorption and accumulation by the extraradical mycelium of different Glomus spp. (arbuscular mycorrhizal fungi) isolated from the same polluted soil C. Gonzalez-ChavezJan D'HaenJ.C. Dodd OriginalPaper Pages: 287 - 297
Nitrogen fertilization alters the functioning of arbuscular mycorrhizas at two semiarid grasslands Lea CorkidiDiane L. RowlandEdith B. Allen OriginalPaper Pages: 299 - 310
Arsenic uptake and accumulation in rice (Oryza sativa L.) irrigated with contaminated water Md. Joinal AbedinJ. Cotter-HowellsAndy A. Meharg OriginalPaper Pages: 311 - 319
NaCl and Na2SO4 alter responses of jack pine (Pinus banksiana) seedlings to boron Kent G. ApostolJanusz J. ZwiazekMichael D. MacKinnon OriginalPaper Pages: 321 - 329
Decomposition and nutrient release by green manures in a tropical hillside agroecosystem J. G. CoboE. BarriosR. J. Thomas OriginalPaper Pages: 331 - 342
Ecophysiological significance of chlorophyll loss and reduced photochemical efficiency under extreme aridity in Stipa tenacissima L. L. BalaguerF. I. PugnaireE. Manrique OriginalPaper Pages: 343 - 352