The comparative agronomic effectiveness of rock phosphate and superphosphate for banana M. L. LinR. L. Fox OriginalPaper Pages: 131 - 135
Evaluation of double extraction techniques as solubility tests for fertiliser products containing phosphate rock components A. C. BraithwaiteA. C. EatonP. S. Groom OriginalPaper Pages: 137 - 149
A model to predict crop response to applied fertilizer nutrients in heterogeneous fields K. G. CassmanR. E. Plant OriginalPaper Pages: 151 - 163
Early growth and N2-fixation of leucaena and gliricidia at different levels of phosphorus application N. Sanginga OriginalPaper Pages: 165 - 173
A farm-level evaluation of nitrogen and phosphorus fertilizer use and planting density for pearl millet production in Niger A. BationoC. B. ChristiansonA. U. Mokwunye OriginalPaper Pages: 175 - 184
Urea-rubber matrices as slow-release fertilizers Z. A. HassanS. D. YoungR. Arizal OriginalPaper Pages: 185 - 192
Use of simplex-lattice design techniques to determine optimum distribution of fertilizers between times of their application G. G. Duda OriginalPaper Pages: 193 - 207
Guano as a nitrogen source for fertigation in organic farming A. HadasR. Rosenberg OriginalPaper Pages: 209 - 214
The effect of zinc fertilizer on take-all and the grain yield of wheat grown on zinc-deficient soils of the Esperance region, Western Australia R. F. Brennan OriginalPaper Pages: 215 - 219
Nitrogen fertilization of dry-seeded rice in south-east Australia E. HumphreysP. M. ChalkR. J. G. White OriginalPaper Pages: 221 - 234
Effectiveness of fall- versus spring-applied urea on barley M. NyborgS. S. Malhi OriginalPaper Pages: 235 - 239
Fertilizer nitrogen movement in a Central Amazon Oxisol and Entisol cropped to corn R. J. MelgarT. J. SmythM. S. Cravo OriginalPaper Pages: 241 - 252
Critical soil level of zinc for wheat grown in alkaline soils K. Singh Short communication Pages: 253 - 256
