Nitrogen leaching and uptake from calcium cyanamide in comparison to urea and calcium ammonium nitrate in an ultisol from the humid tropics J. L. PleysierY. AroraA. S. R. Juo OriginalPaper Pages: 193 - 199
The initial and residual agronomic effectiveness of some Indian, USA and Australian rock phosphates A. K. GhoshR. J. Gilkes OriginalPaper Pages: 201 - 218
Ammonia losses from surface-applied urea as related to urea application rates, plant residue and calcium chloride addition L. B. FennH. L. MalstromE. Wu OriginalPaper Pages: 219 - 227
Seasonal patterns of phosphate uptake in relation to comparisons between fertilizers R. S. BeckwithP. Tolson OriginalPaper Pages: 241 - 254
Urea, ammonium sulfate and dicyandiamide transformations in Costa Rican soils K. VilsmeierE. BornemiszaA. Amberger OriginalPaper Pages: 255 - 261
Ammonia volatilization from point-placed urea in upland, sandy soils R. J. Buresh OriginalPaper Pages: 263 - 268
The effects of nitrogen fertilizer form on the plant availability of phosphate from soil, phosphate rock and mono-calcium phosphate J. N. ApthorpM. J. HedleyR. W. Tillman OriginalPaper Pages: 269 - 283