Simple empirical intensity and buffering capacity measurements to predict potassium uptake by white clover C. DuringD. M. Duganzich OriginalPaper Pages: 167 - 176
Rate of hydrolysis of urea as influenced by thiourea and pellet size S. S. MalhiM. Nyborg OriginalPaper Pages: 177 - 186
Nitrogen-fixing bacillus species from Egyptian soils: Acetylene reduction and cultural conditions A. M. Abdel WahabH. M. El-Sharouny OriginalPaper Pages: 187 - 196
Studies of slowly available potassium in soils of New Zealand B. L. J. JacksonC. During OriginalPaper Pages: 197 - 204
Effects of pesticides and N-serve on the oxidation of elemental S in soil M. Wainwright OriginalPaper Pages: 205 - 213
The response ofPinus caribaea mor. var. Hondurensis seedlings to nitrogen, phosphorous and potassium fertilizers P. B. L. SrivastavaAbang NaruddinB. Abang Zainorin OriginalPaper Pages: 215 - 232
Aspects of the Fe-and Mn nutrition of rice plants P. D. J. Van Der VormA. Van Diest OriginalPaper Pages: 233 - 246
Net changes in element contents of old leaves of two tropical legumes C. Johansen OriginalPaper Pages: 247 - 256
Effect of nitrate nutrition on iron utilization by an Fe-efficient and an Fe-inefficient soybean cultivar M. AktaşF. Van Egmond OriginalPaper Pages: 257 - 274
Adsorption des elements minerauxen presence d'aluminium Gilles Guerrier Short Communications Pages: 275 - 278
The effect of nitrogen source on levels of amino acids in peas M. C. Cowan Short Communications Pages: 279 - 282
Effect of different levels of humic acids on nutrient content and growth of corn (Zea mays L.) K. H. TanV. Nopamornbodi Short Communications Pages: 283 - 287
Root-nodule symbiosis between Rhizobium and Parasponia (Ulmaceae) J. H. Becking Short Communications Pages: 289 - 296
A corer for taking undisturbed peat samples S. P. CuttleD. C. Malcolm Short Communications Pages: 297 - 300