Marketplace accepts purified wet-process phosphoric acid Roy A. Hutchins OriginalPaper Pages: 193 - 201
Single superphosphate - reactive phosphate rock mixtures. 3. The use of concentration ratios of elements to identify the nature and amounts of unacidulated rock residues in the mixtures P. LoganathanM. J. Hedley OriginalPaper Pages: 203 - 210
Effects of coralline lime on nutrient uptake and yield of field-grown sweet corn and peanuts in Oxidic soils of Western Samoa A. W. BekkerR. G. ChaseN. V. Hue OriginalPaper Pages: 211 - 219
Yield response of wetland rice to band placement of urea solution in various soils in the tropics H. F. SchnierS. K. De DattaA. Mazid OriginalPaper Pages: 221 - 227
Agronomy, modelling and economics of reactive phosphate rocks as slow-release phosphate fertilizers for grasslands A. G. SinclairP. D. JohnstoneL. Nguyen OriginalPaper Pages: 229 - 238
Chemical interactions between soil N and alkaline-hydrolysing N fertilizers S. SenP. M. Chalk OriginalPaper Pages: 239 - 248
Ammonia sorption by peat and N fractionation in some peat-ammonia systems C. AbbèsL. E. ParentA. Karam OriginalPaper Pages: 249 - 257
Assessing phosphorus bioavailability in agricultural soils and runoff A. N. Sharpley OriginalPaper Pages: 259 - 272