Dissolution of phosphate rocks in soils. 2. Effect of pH on the dissolution and plant availability of phosphate rock in soil with pH dependent charge N. S. BolanM. J. Hedley OriginalPaper Pages: 125 - 134
Evaluation of ammonium thiosulfate as a soil urease inhibitor G. W. McCartyJ. M. BremnerM. J. Krogmeier OriginalPaper Pages: 135 - 139
Evaluation of methods of measurement of nitrogen in poultry and animal manures S. MahimairajaN. S. BolanA. N. Macgregor OriginalPaper Pages: 141 - 148
A discussion of the methods for comparing the relative effectiveness of phosphate fertilizers varying in solubility S. H. ChienP. W. G. SaleD. K. Friesen OriginalPaper Pages: 149 - 157
Effects of residues of triple superphosphate on the quantity-intensity relationships of fresh phosphate in some soils from Brazil and Colombia P. H. Le MareL. A. León OriginalPaper Pages: 159 - 166
Alfalfa response to lime, phosphorus, potassium, magnesium, and molybdenum on acid ultisols J. L. WalworthM. E. Sumner OriginalPaper Pages: 167 - 172
A simplified resin membrane technique for extracting phosphorus from soils S. SaggarM. J. HedleyR. E. White OriginalPaper Pages: 173 - 180