Very high applications of nitrogen fertilizer on grassland and residual effects in the following season WH PrinsGJG RauwJ Postmus OriginalPaper Pages: 309 - 327
Effect of intensive cropping and fertilizer use on the crop removal of sulphur and zinc and their availability in soil A Subba RaoAB Ghosh OriginalPaper Pages: 303 - 308
Trace element addition to soil by application of NPK fertilizers N SenesiM Polemio OriginalPaper Pages: 289 - 302
Leucaena (Leucaena leucocephala (Lam) de Wit) prunings as nitrogen source for maize (Zea mays L.) BT KangL SipkensD Nangju OriginalPaper Pages: 279 - 287
The transformations and balance of nitrogen in Japanese paddy fields Takeo Koyama OriginalPaper Pages: 261 - 278
Time and mode of nitrogen fertilizer application to tropical wetland rice ET CraswellSK De DattaM Hartantyo OriginalPaper Pages: 247 - 259
Effect of N-rates on dryland wheat in relation to mulching previous crop or fallow S. S. PriharK. S. SandhuR. Singh OriginalPaper Pages: 211 - 219
Use of low grade phosphate rocks as biosuper fertilizer S. S. S. Rajan OriginalPaper Pages: 199 - 209
Soil clay mineralogy in relation to fertility management: Effect of soil clay mineral composition on potassium fixation under conditions of upland rice soils M. I. Bajwa OriginalPaper Pages: 193 - 197
Effect of different nitrogen levels, plant population and soil nutrient status on yield and yield components of maize (Zea mays L.) in different ecological zones of Nigeria G. O. KayodeAkinola A. Agboola OriginalPaper Pages: 177 - 191
Use of electroultrafiltration (EUF) method for investigating the behaviour of phosphate fertilizers in tropical soils G. O. ObigbesanK. Mengel OriginalPaper Pages: 169 - 176
Hydrolysis of aluminium on weakly acidic organic exchangers: Implications for phosphate adsorption R. E. WhiteG. W. Thomas OriginalPaper Pages: 159 - 167
Dissolution of granulated CuZn-superphosphate in soils R. J. GilkesS. B. Sadleir OriginalPaper Pages: 147 - 157
Performance of Pb/Zn tolerantFestuca rubra on metalliferous spoil in relation to nitrogen source T. McNeillyM. S. Johnson OriginalPaper Pages: 135 - 146
Effect of level, timing and method of nitrogen application on spring-planted sugarcane K. S. ParasharRajendra PrasadR. P. Sharma OriginalPaper Pages: 127 - 134
Fertilizer nitrogen balance study on sandy loam with winter wheat O. Van CleemputG. HofmanL. Baert OriginalPaper Pages: 119 - 126
Efficiency of HCl- and H2SO4-acidulated rock phosphates for a rice based cropping system R. N. DashS. K. MohantyS. Patnaik OriginalPaper Pages: 109 - 118
Lowering ammonia volatilization losses from urea application by activation of nitrification process Zhenia FleisherJ. Hagin OriginalPaper Pages: 101 - 107
The relationship between Bray's P1, modified NaHCO3, New Mehlich and NH4F. HF extractants for P in savannah soils of western Nigeria Olufemi AyodeleAkinola Agboola OriginalPaper Pages: 89 - 99
The effects of fertilizing on the foliar nutrient concentrations inEucalyptus grandis A. P. G. Schönau OriginalPaper Pages: 73 - 87
Environmental factors affecting nitrogen efficiency in flooded tropical rice A. M. FagiS. K. De Datta OriginalPaper Pages: 53 - 67
Nitrogen fertilizer recommendations for arable crops as based on soil analysis J. RisK. W. SmildeG. Wijnen OriginalPaper Pages: 21 - 32
Response to nitrogen application and interval between harvests in five grasses — 2. Leaf development D. WilmanA. A. Mohamed OriginalPaper Pages: 3 - 20
Response to nitrogen application and interval between harvests in five grasses — I Dry-matter yield, nitrogen content and yield, numbers and weights of tillers, and proportion of crop fractions D. WilmanA. A. Mohamed OriginalPaper Pages: 245 - 263
Compound fertilizer placement for potatoes M. R. J. HolmesR. J. Shiles OriginalPaper Pages: 235 - 244
Osmotic potential of wheat grown with fertilizer placed in strips or broadcasted C. H. PearsonM. B. Kirkham OriginalPaper Pages: 227 - 234
The Bouma-Janssen method as a tool for the evaluation of macro and micro nutrient status of cotton soils from Nepal A. MullerSuleiman S. GiamaR. M. Schelhaas OriginalPaper Pages: 215 - 225
Yield and nitrogen uptake by rice as affected by variety, method of planting and new nitrogen fertilizers Mangal PrasadRajendra Prasad OriginalPaper Pages: 207 - 213
Urease activity and inhibition in flooded soil systems P. L. G. VlekJ. M. StumpeB. H. Byrnes OriginalPaper Pages: 191 - 202
Effects of rate and timing of nitrogen dressings on grain yield formation of winter wheat (T. aestivum L.) J. EllenJ. H. J. Spiertz OriginalPaper Pages: 177 - 190
Fertilizer-nitrogen: Effects on dairy cow health and performance N. B. CoombeA. E. M. Hood OriginalPaper Pages: 157 - 176
Agriculture and energy with special reference to mineral fertilization S. Jürgens-Gschwind OriginalPaper Pages: 137 - 155
Ammonium bicarbonate used as a nitrogen fertilizer in China Ching-Kwei LiRong-Yen Chen OriginalPaper Pages: 125 - 136
Fertilizer regime and changes in the phosphate and potash status of a silty marine clay soil during 25 years J. Prummel OriginalPaper Pages: 95 - 101
Effects of fertilizer and weeding in no-tillage and tilled maize B. T. KangK. MoodyJ. O. Adesina OriginalPaper Pages: 87 - 93
Re-utilization by perennial ryegrass (Lolium perenne L.) of labelled fertilizer sulphur incorporated in field-grown tops and roots of pasture plants added to soils K. M. GohP. E. H. Gregg OriginalPaper Pages: 73 - 85
Changes in quantity of mineral nitrogen in three grassland soils as affected by intensity of nitrogen fertilization W. H. Prins OriginalPaper Pages: 51 - 63
Phosphorus availability from partial acidulation of two phosphate rocks L. L. HammondS. H. ChienJ. R. Polo OriginalPaper Pages: 37 - 49
Twenty-five years of phosphate and potassium fertilization of a crop rotation Stanley A. Barber OriginalPaper Pages: 29 - 36
The fertiliser economy of high producing pastoral systems K. R. Middleton OriginalPaper Pages: 5 - 27