Recovery of 15N-ammonium-15N-nitrate in spring wheat as affected by placement geometry of the fertilizer band J. Petersen OriginalPaper Pages: 215 - 221
Nitrogen leaching and soil nitrate, nitrite, and ammonium levels under irrigated wheat in Northern Mexico W.J. RileyI. Ortiz-MonasterioP.A. Matson OriginalPaper Pages: 223 - 236
Source identification of nitrate on Cheju Island, South Korea R.F. SpaldingZ.K. US.J. Song OriginalPaper Pages: 237 - 246
Metal availability in contaminated soils: I. Effects of floodingand organic matter on changes in Eh, pH and solubility of Cd, Ni andZn M.A. KashemB.R. Singh OriginalPaper Pages: 247 - 255
Metal availability in contaminated soils: II. Uptake of Cd, Ni and Zn in rice plants grown under flooded culture with organic matter addition M.A. KashemB.R. Singh OriginalPaper Pages: 257 - 266
Nutrient dynamics in a climbing bean and sorghum crop rotation in the Central Africa Highlands C.S. Wortmann OriginalPaper Pages: 267 - 272
Plant recovery of 15N-labelled nitrogen applied to reed canary grass grown for biomass Anneli PartalaTimo MelaElise Ketoja OriginalPaper Pages: 273 - 281
Response of soil phosphorus content, growth and yield of wheat to long-term phosphorus fertilization in a conventional cropping system W.M. OttoW.H. Kilian OriginalPaper Pages: 283 - 292