Effect of rates and sources of nitrogen application on yield and nutrient uptake of Citronella Java (Cymbopogon winterianus Jowitt) K. SinghD. V. Singh OriginalPaper Pages: 187 - 191
An economic evaluation of a long-term experiment on phosphorus and manure amendments to sandy Sahelian soils: Using a stochastic dominance model J. Baidu-ForsonA. Bationo OriginalPaper Pages: 193 - 202
Effect of liming and carbofuran on groundnut yield in sandy soils in Niger F. WaliyarB. J. NdunguruA. Bationo OriginalPaper Pages: 203 - 208
Considerations in estimating Nitrogen Recovery Efficiency by the difference and isotopic dilution methods A. C. S. RaoJ. L. SmithR. I. Papendick OriginalPaper Pages: 209 - 217
Nitrogen fertilizer in leucaena alley cropping. I. Maize response to nitrogen fertilizer and fate of fertilizer-15N Z. H. XuP. G. SaffignaA. L. Chapman OriginalPaper Pages: 219 - 227
Mobilization of residual phosphate of different phosphate fertilizers in relation to pH in the rhizosphere of ryegrass T. Singh GahooniaN. ClaassenA. Jungk OriginalPaper Pages: 229 - 237
Effects of urea fertigation of apple trees on soil pH, exchangeable cations and extractable manganese in a sandy loam soil in New Zealand P. Ruth BeltonK. M. Goh OriginalPaper Pages: 239 - 247
Crop response to level of water-soluble zinc in granular zinc fertilizers J. J. Mortvedt OriginalPaper Pages: 249 - 255
Ammonia volatilization from grassland receiving nitrogen fertilizer and rotationally grazed by dairy cattle D. W. Bussink OriginalPaper Pages: 257 - 265
Unacidulated and Partially acidulated phosphate rock: Agronomic effectiveness and the rates of dissolution of phosphate rock S. S. S. RajanJ. H. Watkinson OriginalPaper Pages: 267 - 277
Waste kraft black liquors as raw material for the production of nitrogeneous humic fertilizers by an oxidation-ammoniation process C. GonzálezR. AlvarezJ. Coca OriginalPaper Pages: 279 - 285
