Dr. P.F.J. van Burg, 1925–1990 Fertilizer Research, 1980–1990 Paul L. G. VlekWillem H. Prins Announcement Pages: v - vi
A comparison of methods for measuring the effect of level of application on the relative effectiveness of two fertilizers N. J. BarrowM. D. A. Bolland OriginalPaper Pages: 1 - 10
A review of the studies on phosphate rock for agricultural use in China Jiang Bai-fanLu Ru-kunLi Ching-kwei OriginalPaper Pages: 11 - 20
A comparison of the sulfur and oxygen analogs of phosphoric triamide urease inhibitors in reducing urea hydrolysis and ammonia volatilization C. B. ChristiansonB. H. ByrnesG. Carmona OriginalPaper Pages: 21 - 27
Balanced fertilization with particular reference to phosphates: Interaction of phosphorus with other inputs and management practices D. W. DibbP. E. FixenL. S. Murphy OriginalPaper Pages: 29 - 52
Strategy for development of fertilizer solutions for greenhouse tomatoes J. HaginG. SegelmanA. Shaviv OriginalPaper Pages: 53 - 60
Short-and long-term fertility trials in Colombia to determine the nutrient requirements of cassava R. H. HowelerL. F. Cadavid OriginalPaper Pages: 61 - 80
Measurement of acid attack on phosphate rocks G. VenturinoF. CocquioA. Barbera OriginalPaper Pages: 81 - 87
The roles of nitrogen, phosphorus and Potassium in the production of sugarcane in South Africa R. A. Wood OriginalPaper Pages: 89 - 98
Solubilities in the ammonium thiosulfate-urea-ammonium nitrate-water system at 0°C A. W. FrazierY. K. KimC. L. Griffin OriginalPaper Pages: 99 - 105
Stable suspension fertilizers from monoammonium phosphate J. R. BurnellE. F. Dillard OriginalPaper Pages: 107 - 111
Organic reagents for removing heavy metals from a 10-34-0 (N-P2O5-K2O) grade fertilizer solution and wet-process phosphoric acid V. M. Norwood IIIJ. J. Kohler OriginalPaper Pages: 113 - 117
Influence of manufacturing variables on characteristics and the agronomic value of partially acidulated phosphate fertilizers N. S. BolanM. J. HedleyA. C. Braithwaite OriginalPaper Pages: 119 - 138
N application to winter wheat at tillering and shooting: N balance at different growth stages W. MatzelH. Lippold OriginalPaper Pages: 139 - 144
Simulation of the dynamics of nutrients and moisture in tropical ecosystems B. H. JanssenI. G. A. M. NoijJ. J. M. van Grinsven OriginalPaper Pages: 145 - 156
Increasing nutrient use efficiency in rice with changing needs S. K. De DattaR. J. BureshC. P. Mamaril OriginalPaper Pages: 157 - 167
Incorporation of urea in puddled rice soils as affected by tillage implements J. L. PadillaR. J. BureshE. U. Bautista OriginalPaper Pages: 169 - 178
Nitrogen-15 balances and nitrogen fertilizer use efficiency in upland rice S. K. De DattaR. J. BureshE. G. Castillo OriginalPaper Pages: 179 - 187
Limitations to the diagnostic information obtained from soil analyses J. J. Oertli OriginalPaper Pages: 189 - 196
Nitrate leaching from loamy soils as affected by crop rotation and nitrogen fertilizer application N. E. NielsenH. E. Jensen OriginalPaper Pages: 197 - 207
Calculated rates of soil acidification of intensively used grassland in the Netherlands O. Oenema OriginalPaper Pages: 217 - 228
The effect of level of nitrogen nutrition upon mineral content and removal in grasses and wheat J. Salette OriginalPaper Pages: 229 - 235
Pot experiments on the zinc nutrition of spruce seedlings in relation to the new kind of forest decline H. J. FiedlerG. IlgenG. B. A. Getahun OriginalPaper Pages: 237 - 242
Recent research on fertilizer problems in Asian agriculture E. T. CraswellU. Karjalainen OriginalPaper Pages: 243 - 248
Residual effect of long-term applications of farmyard manure to silage maize K. DilzJ. PostmusW. H. Prins OriginalPaper Pages: 249 - 252
Share of agriculture in nitrogen and phosphorus emissions into the surface waters of Western Europe against the background of their eutrophication K. Isermann OriginalPaper Pages: 253 - 269
The determination of phosphate availability for some less conventional phosphate fertilisers D. J. HigginsA. C. Braithwaite OriginalPaper Pages: 271 - 280
Influence of impurities on stainless steels corrosion in wet process phosphoric acid P. BarracoG. ChiaroA. Barbera OriginalPaper Pages: 281 - 289
Development of nitrogen fertilizer recommendations for arable crops in the Netherlands in relation to nitrate leaching J. J. Neeteson OriginalPaper Pages: 291 - 298
Some aspects of the role of organic matter in sustainable intensified arable farming systems in the West-African semi-arid-tropics (SAT) N. de RidderH. van Keulen OriginalPaper Pages: 299 - 310
A derivation of the Pierre-Sluijsmans equation used in the Netherlands to estimate the acidifying effect of fertilizers applied to agricultural soils K. HarmsenH. LomanJ. J. Neeteson OriginalPaper Pages: 319 - 325
The role of fertilizers in sustaining agriculture in sub-Saharan Africa P. L. G. Vlek OriginalPaper Pages: 327 - 339
Efficiency and future potential of urea for temperate grassland C. J. WatsonR. J. StevensC. H. McMurray OriginalPaper Pages: 341 - 357
