Root distribution in relation to soil nitrogen availability in field-grown tomatoes Louise E. JacksonArnold J. Bloom OriginalPaper Pages: 115 - 126
Amelioration of acid soil infertility by phosphogypsum A. K. AlvaM. E. Sumner OriginalPaper Pages: 127 - 134
Excretion of ureide and other nitrogenous compounds by the root system of soybean at different growth stages K. G. Ofosu-BuduK. FujitaS. Ogata OriginalPaper Pages: 135 - 142
Salinity-induced calcium deficiencies in wheat and barley D. L. EhretR. E. RedmannA. Cipywnyk OriginalPaper Pages: 143 - 151
Multiple stress and growth of barley: Effect of salinity and temperature shock A. MozafarJ. J. Oertli OriginalPaper Pages: 153 - 160
Consumption of wheat seed reserves during germination and early growth as affected by soil water potential A. BouazizD. R. Hicks OriginalPaper Pages: 161 - 165
Screening of local/exotic accessions of lentil (Lens culinaris Medic.) for salt tolerance at two growth stages M. AshrafA. Waheed OriginalPaper Pages: 167 - 176
Isolation of a factor stimulatory to Bradyrhizobium japonicum in broth culture M. A. B. MallikK. Tesfai OriginalPaper Pages: 177 - 184
Net Mg2+ uptake in relation to the amount of exchangeable Mg2+ in the Donnan free space of ryegrass roots Z. Rengel OriginalPaper Pages: 185 - 189
Soil organic matter as a potential net nitrogen sink in a fertilized cornfield, South Deerfield, Massachusetts, USA Richard D. Boone OriginalPaper Pages: 191 - 198
Effects of tall fescue turf on growth and nitrogen fixation potential of the woody legume Lupinus albifrons Lin WuArmando Torres OriginalPaper Pages: 199 - 208
Studies on the availability of Azolla N and urea N for rice growth using 15N E. L. SisworoD. L. EskewG. Soepardi OriginalPaper Pages: 209 - 220
Nodulation, biomass and nitrogen content in Sesbania species Saradha RamaniM. S. ShaikhD. C. Joshua OriginalPaper Pages: 221 - 223
Problems associated with the use of foliar analysis for diagnosing boron toxicity in barley Ross O. NableJeffrey G. PaullBrian Cartwright OriginalPaper Pages: 225 - 232
Root surface acid phosphatase activities of vascular epiphytes of a Costa Rican rain forest Robert K. AntibusPeter Lesica OriginalPaper Pages: 233 - 240
Mineralisation of organic matter in topsoils subjected to stockpiling and restoration at opencast coal sites Julie C. WilliamsonD. Barrie Johnson OriginalPaper Pages: 241 - 247
Nodule haustoria and microbial features of Cajanus and Pongamia parasitized by sandal (sandal wood) N. S. SubbaraoD. YadavS. K. Kavimandan OriginalPaper Pages: 249 - 256
Effects of soil phosphorus and Glomus intraradices on growth, nonstructural carbohydrates, and photosynthetic activity of Citrus aurantium S. NemecJ. C. V. Vu OriginalPaper Pages: 257 - 263
15N estimates of nitrogen fixation by white clover (Trifolium repens L.) growing in a mixture with ryegrass (Lolium perenne L.) A. M. McNeillM. Wood OriginalPaper Pages: 265 - 273
Screening legume green manures as nitrogen sources to succeeding non-legume crops R. J. CarskyW. S. ReidD. J. Lathwell OriginalPaper Pages: 275 - 282
Parallel variation in isoenzyme and nitrogen fixation markers in a Rhizobium population Kjeld C. EngvildErik Steen JensenLeif Skøt Short Communication Pages: 283 - 286
Natural 15N abundance in shrub and tree legumes, Casuarina, and non N2 fixing plants in Thailand T. YoneyamaT. MurakamiK. Kouno Short Communication Pages: 287 - 292
Nitrogen transfer from arrowleaf clover to ryegrass in field plantings D. R. MorrisR. W. WeaverF. M. Rouquette Short Communication Pages: 293 - 297