Nitrogen mineralization by bacterial-feeding nematodes: verification and measurement H. FerrisR.C. VenetteS.S. Lau OriginalPaper Pages: 159 - 171
Variability of traits associated with phosphorus efficiency in wild and cultivated genotypes of common bean A.P. AraújoM.G. TeixeiraD.L. de Almeida OriginalPaper Pages: 173 - 182
Litter production and accumulation in Pinus patula plantations of the Mpumalanga Province, South Africa Joanna F. DamesMary C. ScholesC.J. Straker OriginalPaper Pages: 183 - 190
Allelopathy in black walnut (Juglans nigra L.) alley cropping. I. Spatio-temporal variation in soil juglone in a black walnut–corn (Zea maysL.) alley cropping system in the midwestern USA Shibu JoseAndrew R. Gillespie OriginalPaper Pages: 191 - 197
Allelopathy in black walnut (Juglans nigraL.) alley cropping. II. Effects of juglone on hydroponically grown corn (Zea maysL.) and soybean (Glycine maxL. Merr.) growth and physiology Shibu JoseAndrew R. Gillespie OriginalPaper Pages: 199 - 206
Biological nitrogen fixation in grass–clover affected by animal excreta Finn Pilgaard Vinther OriginalPaper Pages: 207 - 215
Characterization of tissue tolerance to iron by molecular markers in different lines of rice P. WuB. HuA.H. Paterson OriginalPaper Pages: 217 - 226
Methane production capacities of different rice soils derived from inherent and exogenous substrates R. WassmannH.U. NeueH. Rennenberg OriginalPaper Pages: 227 - 237
Soil strength and water content influences on corn root distribution in a sandy soil C.A.M. LaboskiR.H. DowdyJ.A. Lamb OriginalPaper Pages: 239 - 247
The variability in total and extractable soil phosphorus under a grazed pasture E. FisherB. ThorntonA.C. Edwards OriginalPaper Pages: 249 - 255
Iron deficiency in peach trees: effects on leaf chlorophyll and nutrient concentrations in flowers and leaves Ramzi BelkhodjaFermín MoralesJavier Abadía OriginalPaper Pages: 257 - 268
Alleviation of sodicity stress on rice genotypes by Phosphorus fertilization Ali Qadar OriginalPaper Pages: 269 - 277
Influence of nutrient solution pH on N2O and N2 emissions from a soilless culture system Diemo DaumManfred K. Schenk OriginalPaper Pages: 279 - 288
Impact of elevated CO2 on the metabolic diversity of microbial communities in N-limited grass swards Susan J. GraystonColin D. CampbellRoger M. Gifford OriginalPaper Pages: 289 - 300
Long-term effects of experimental nitrogen additions on foliar litter decay and humus formation in forest ecosystems Alison H. MagillJohn D. Aber OriginalPaper Pages: 301 - 311
Biomass and nutrient dynamics of Chinese fir seedlings under conventional and exponential fertilization regimes Xinjian XuVictor R. Timmer OriginalPaper Pages: 313 - 322