Land application of poultry litter and water quality in Oklahoma, U.S.A. G. C. HeathmanA. N. SharpleyJ. S. Robinson OriginalPaper Pages: 165 - 173
Assessing risk associated with N fertilizer recommendations in the absence of soil tests H. J. BarretoM. A. Bell OriginalPaper Pages: 175 - 183
Adsorbed phosphorus partitioning in some benchmark soils from Northeast Brazil J. O. Agbenin OriginalPaper Pages: 185 - 191
Effects of application of cement kiln-exhaust on selected soil physico-chemical and biological properties V. C. SaralabaiM. Vivekanandan OriginalPaper Pages: 193 - 196
Estimating ammonia volatilization from unsaturated urea fertilized and urine affected soils by an indirect method R. R. SherlockJ. R. FreneyT. J. van der Weerden OriginalPaper Pages: 197 - 205
Effect of soil pH on the requirement for water-soluble phosphorus in triple superphosphate fertilizers G. L. MullinsF. J. Sikora OriginalPaper Pages: 207 - 214
Nitrogen utilization by lowland rice as affected by fertilization with urea and green manure M. M. PandaA. R. MosierM. D. Reddy OriginalPaper Pages: 215 - 223
Effect of urease, nitrification and algal inhibitors on ammonia loss and grain yield of flooded rice in Thailand J. R. FreneyD. G. KeerthisingheK. J. Harrington OriginalPaper Pages: 225 - 233
Pterocarpus angolensis D.C.: field survival strategies, growth, root pruning and fertilization in the nursery E. MunyanzizaR. A. A. Oldeman OriginalPaper Pages: 235 - 242
Biomass and nutrient uptake ofAilanthus excelsa as affected by N and P fertilization on an aridisol G. N. Gupta OriginalPaper Pages: 243 - 250