Influence of adenine, isopentyl alcohol and Azotobacter chroococcum on the growth of Raphanus sativus K. F. NietoW. T. Frankenberger Jr OriginalPaper Pages: 147 - 156
Microbial biomass and mineral N transformations in soil planted with barley, ryegrass, pea or turnip Ron WheatleyKarl RitzBryan Griffiths OriginalPaper Pages: 157 - 167
Assessment of genetic variability for N2 fixation between and within provenances of Leucaena leucocephala and Acacia albida estimated by 15N labelling techniques N. SangingaG. D. BowenS. K. A. Danso OriginalPaper Pages: 169 - 178
Nitrification in Dutch heathland soils S. R. TroelstraR. WagenaarW. De Boer OriginalPaper Pages: 179 - 192
Nitrification in Dutch heathland soils W. De BoerP. J. A. Klein GunnewiekS. R. Troelstra OriginalPaper Pages: 193 - 200
The influence of selenium, salinity, and boron on selenium uptake in wild mustard G. S. BanuelosD. W. MeekG. J. Hoffman OriginalPaper Pages: 201 - 206
VA-mycorrhizal fungi and soil characteristics in avocado (Persea americana Mill.) orchard soils Jerry H. HaasJohn A. Menge OriginalPaper Pages: 207 - 212
Influence of nitrogen on the behaviour of nickel in wheat B. SinghY. P. DangS. C. Mehta OriginalPaper Pages: 213 - 218
Simulating nitrogen response of irrigated rice J. F. AngusM. SudjadiR. Wetselaar OriginalPaper Pages: 219 - 229
Utilization of carbon and nitrogen reserves of alfalfa roots in supporting N2-fixation and shoot regrowth T. C. TaF. D. H. MacdowallM. A. Faris OriginalPaper Pages: 231 - 236
Effect of organic soil amendments on the incidence of stalk rot of maize S. O. Osunlaja OriginalPaper Pages: 237 - 241
Inhibitory effects of acidified soil on the soybean/Bradyrhizobium symbiosis G. R. ClineK. Kaul OriginalPaper Pages: 243 - 249
Effect of rice based six multiple cropping sequences under two cycles of crop rotations on yield and fertility status of soil B. PrasadS. M. Umar OriginalPaper Pages: 251 - 258
Growth characteristics and total N content of a Leucaena/Sorghum agroforestry system Martha E. AveryDavid Rhodes OriginalPaper Pages: 259 - 267
Inhibition of plant and microbial ureases by phosphoroamides G. W. McCartyJ. M. BremnerJ. S. Lee OriginalPaper Pages: 269 - 283
Expression of insecticidal activity in Rhizobium containing the δ-endotoxin gene cloned from Bacillus thuringiensis subsp. tenebrionis Leif SkøtStephen P. HarrisonBrian C. Clifford OriginalPaper Pages: 285 - 295