Effect of algal growth on the availability of phosphorus, iron and manganese in rice soils K. C. SahaL. N. Mandal OriginalPaper Pages: 139 - 149
Algal nitrogen fixation on temperate arable fields J. F. WittyP. J. KeayP. J. Dart OriginalPaper Pages: 151 - 164
Soil amendments to correct iron availability in Egyptian soils M. E. IbrahimM. A. DaifSh. Sh. Holah OriginalPaper Pages: 185 - 194
Fluctuations of the soil environment and fine root growth in a young Sitka spruce plantation J. D. Deans OriginalPaper Pages: 195 - 208
Tracer studies on the balance and chemical distribution of applied nitrogen under different moisture regimes using lysimeter S. U. PatwaryZ. Raikovich OriginalPaper Pages: 209 - 217
Immobilization, mineralization and the availability of the fertilizer nitrogen during the decomposition of the organic matters applied to the soil Tetsuo KanamoriTamaki Yasuda OriginalPaper Pages: 219 - 227
Evaluation and control of the nutritional status of cereals Jens Møller Nielsen OriginalPaper Pages: 229 - 244
Evaluation and control of the nutritional status of cereals Jens Møller Nielsen OriginalPaper Pages: 245 - 268
Estimate of symbiotically fixed nitrogen in field grown soybeans using variations in15N Natural abundance N. AmargerA. MariottiB. Lagacherie OriginalPaper Pages: 269 - 280
A comparative study of the effects of natural and synthetic ligands on iron uptake by plants D. J. LinehanH. Shepherd OriginalPaper Pages: 281 - 289
Determination de la transpiration au moyen de l'eau tritiee M. IbrahimA. BergerM. Rapp OriginalPaper Pages: 291 - 301
A quantitative study of nodulation inHippophaë rhamnoides L. SSP. Rhamnoides in a coastal dune area Errata Pages: 302 - 302
A simplified method for estimating ammonium oxidising bacteria S. U. Sarathchandra Short Communications Pages: 305 - 309
Response of rice to iron-zinc interrelationships in a latiritic soil (oxisol) A. S. ChavanN. K. Banerjee Short Communications Pages: 311 - 313