Pre-plant slow-release fertilization of strawberry plants before fertigation C. CadahíaA. MasaguerJ. M. Peñalosa OriginalPaper Pages: 191 - 195
Obtaining NPK fertilizers using decomposition of phosphate rock by sulphuric acid E. AasamäeJ. KudryavtsevaM. Einard OriginalPaper Pages: 197 - 202
Production of dicalcium phosphate by treatment of phosphate rock concentrate with nitric acid R MarcatoM. Giulietti OriginalPaper Pages: 203 - 207
Prediction of nitrogen availability in soil after crop residue incorporation S. K. DasG. Subba ReddyY. V. R. Reddy OriginalPaper Pages: 209 - 215
Use of sea water in the flotation of carbonate rich sedimentary phosphate rock H. Ö. ÖzbelgeT. F. Al-FarissA. M. Abdulrazik OriginalPaper Pages: 217 - 222
An investigation of extraction procedures for assessing the phosphate rock residue in multicomponent fertilisers A. C. BraithwaiteA. C. EatonP. S. Groom OriginalPaper Pages: 223 - 231
Single superphosphate depresses molybdenum uptake and limits yield response to phosphorus in groundnut (Arachis hypogaea L.) grown on an acid sandy soil in Niger, West Africa F. -P. RebafkaB. J. NdunguruH. Marschner OriginalPaper Pages: 233 - 242
Effects of different phosphate fertilizers on yield of barley and rape seed on reddish brown soils of the Ethiopian highlands T. BekeleW. Höfner OriginalPaper Pages: 243 - 250
The effect of crop residue and fertilizer use on pearl millet yields in Niger A. BationoC. B. ChristiansonM. C. Klaij OriginalPaper Pages: 251 - 258
Simulation of Fe-Al compounds developed during single superphosphate manufacture E. CekinskiJ. H. ThomassinP. Baillif OriginalPaper Pages: 259 - 265
Effects of nitrification inhibitors and time and rate of slurry and fertilizer N application on silage maize yield and losses to the environment J. J. SchröderL. ten HolteJ. H. A. M. Steenvoorden OriginalPaper Pages: 267 - 277