Phosphorus requirement of a maize-cowpea sequential cropping on a paleudult M. T. Adetunji OriginalPaper Pages: 161 - 166
Effects of restrictions and prices of N, P and K on fertiliser inputs and yield deficits of sugar beet M. HerlihyT. Hegarty OriginalPaper Pages: 167 - 178
Effects of partial acidulation on chemical and mineralogical characteristics of residual phosphate rocks L. M. CondronH. J. DiR. Harrison OriginalPaper Pages: 179 - 187
Effect of phosphate on the sorption, desorption and plant-availability of selenium in soil Zhenli HeXiaoe YangJianan Tan OriginalPaper Pages: 189 - 197
Urea management for lowland transplanted rice as affected by application of farmyard manure Tran Thuc SonR. J. Buresh OriginalPaper Pages: 199 - 203
A test for phosphate rock reactivity in which solubility and size are combined in a dissolution rate function J. H. Watkinson OriginalPaper Pages: 205 - 215
Effect of split application of potassium on growth, yield and potassium accumulation by soybean Jaspinder Singh KolarHarsharn Singh Grewal OriginalPaper Pages: 217 - 222
Application of15N-labelled urea to sugar cane through a drip-irrigation system in Mauritius K. F. Ng Kee KwongJ. Deville OriginalPaper Pages: 223 - 228
The agronomic value of co-granulated Christmas Island Grade C phosphate rock and elemental sulphur P. LoganathanM. J. HedleyM. R. Bretherton OriginalPaper Pages: 229 - 237
Nitrogen uptake efficiency in maize production using irrigation water high in nitrate D. D. FrancisJ. S. Schepers OriginalPaper Pages: 239 - 244
Nitrogen use and losses in agriculture in subtropical Australia K. L. Weier OriginalPaper Pages: 245 - 257