Microscale fumigation-extraction and substrate-induced respiration methods for measuring microbial biomass in barley rhizosphere Lars Stoumann JensenJan Sørensen Research Articles Pages: 151 - 161
Evaluation of powdered pine bark for control ofMeloidogyne arenaria andHeterodera glycines on soybean Nancy Kokalis-BurelleRodrigo Rodríguez-KábanaPeggy S. King Research Articles Pages: 163 - 168
Changes in populations of soil microorganisms, nematodes, and enzyme activity associated with application of powdered pine bark Nancy Kokalis-BurelleRodrigo Rodríguez-Kábana Research Articles Pages: 169 - 175
The use of carbon isotope ratios to evaluate legume contribution to soil enhancement in tropical pastures I. M. RaoM. A. AyarzaR. J. Thomas Research Articles Pages: 177 - 182
Growth and nitrogen fixation inAlnus glutinosa (L.) Gaertn. under carbon dioxide enrichment of the root atmosphere A-H. BriouaC. T. Wheeler Research Articles Pages: 183 - 191
Leaching and crop recovery of15N from ammonium sulphate and labelled maize (Zea mays) material in lysimeters at a site in Zimbabwe Wilberforce KamukondiwaLars Bergström Research Articles Pages: 193 - 201
Tillage effect on seasonal nitrogen availability in corn supplied with legume green manures Z. DouR. H. FoxJ. D. Toth Research Articles Pages: 203 - 210
The availability of soil boron fractions to olive trees and barley and their relationships to soil properties C. D. TsadilasN. YassoglouCh. Kallianou Research Articles Pages: 211 - 217
Relations between grapevine replant disease and root colonization of grapevine (Vitis sp.) by fluorescent pseudomonads and endomycorrhizal fungi Christina WaschkiesA. SchroppH. Marschner Research Articles Pages: 219 - 227
Nodulation patterns of actinorhizal plants in the family rosaceae Steven J. KohlsJyothi ThimmapuramJeffrey O. Dawson Research Articles Pages: 229 - 239
Growth, biomass allocation and water use efficiency of two wheat cultivars in a mediterranean environment; a pot experiment under field conditions E. J. VeneklaasJ. M. Peacock Research Articles Pages: 241 - 247
A model relating the maximum nitrate inflow of lettuce (Lactuca satvia L.) to the growth of roots and shoots B. SteingrobeM. K. Schenk Research Articles Pages: 249 - 257
A simple model for estimating the contribution of nitrogen mineralization to the nitrogen supply of crops from a stabilized pool of soil organic matter and recent organic input F. J. MatusJ. Rodríguez Research Articles Pages: 259 - 271
Aluminum-induced deposition of (1,3)-β-glucans (callose) inTriticum aestivum L. Kymberly A. SchreinerJohn HoddinottGregory J. Taylor Research Articles Pages: 273 - 280
Effect of elevated CO2 on carbon and nitrogen distribution within a tree (Castanea sativa Mill.) — soil system H. RouhierG. BillèsP. Bottner Research Articles Pages: 281 - 292
Inoculated common beans are protected againstMacrophomina phaseolina byBurkholderia cepacia UPR 5C Alfonsina SánchezR. Echávez-BadelE. C. Schröder Research Articles Pages: 293 - 297
Diurnal cycles of rhizosphere acidification byPinus contorta seedlings James D. StewartVictor J. Lieffers Short Communication Pages: 299 - 302
Messenger RNA from diverse classes of alfalfa leghemoglobin genes show a similar pattern of spatial expression in symbiotic root nodules Eliot J. DavidowitzChristopher A. CullisNaomi Lang-Unnasch Short Communication Pages: 303 - 307
Response of root mRNA population to sulphate shortage in maize seedlings M. MalagoliA. TretteneroG. Ferrari Short Communication Pages: 309 - 313
The effect of plant material grown under elevated CO2 on soil respiratory activity J. TaylorA. S. Ball Short Communication Pages: 315 - 318