Response of Douglas fir seedlings to phosphorus fertilization and influence of temperature on this response R. van den Driessche OriginalPaper Pages: 155 - 169
Soil and plant water stress in an Appalachian oak forest in relation to topography and stand age Tina M. MeinersDavid Wm. SmithDonald E. Beck OriginalPaper Pages: 171 - 179
Adsorption and exchange of Ca, Mg and K-ions on the root cell walls of clover and rye-grass D. E. AmoryJ. E. Dufey OriginalPaper Pages: 181 - 190
Growth and nutritional characteristics of cowpea rhizobia Mark D. StowersG. H. Elkan OriginalPaper Pages: 191 - 200
Comparison of the growth rates of dinitrogen fixing subterranean clover swards with those assimilating nitrate ions J. H. Silsbury OriginalPaper Pages: 201 - 213
Thein vitro effect of some pesticides on the nitrogen fixing bacteria isolated from the phyllosphere of some crop plants B. R. PatiA. K. ChandraS. Gupta OriginalPaper Pages: 215 - 225
Etude de la reponse à un stress hydrique de quelques varietés de riz pluvial et de riz irrigué J. F. BoisPh. CouchatP. Moutonnet OriginalPaper Pages: 227 - 236
Etude de la reponse à un stress hydrique de quelques varietés de riz pluvial et de riz irrigué J. F. BoisPh. CouchatP. Moutonnet OriginalPaper Pages: 237 - 246
Fertilization of orange trees with sulfur-coated urea. Nitrogen levels in leaves and fruits A. MaquieiraM. D. ClimentE. Primo Yufera OriginalPaper Pages: 247 - 254
Yield response of a common spring wheat cultivar to inoculation withAzospirillum brasilense at various levels of nitrogen fertilization E. MilletM. Feldman OriginalPaper Pages: 255 - 259
Yield response of various wheat genotypes to inoculation withAzospirillum brasilense E. MilletY. AviviM. Feldman OriginalPaper Pages: 261 - 266
Effect of osmotically induced leaf moisture stress on nodulation and nitrogenase activity ofGlycine max P. M. WilliamsMargarita Sicardi de Mallorca OriginalPaper Pages: 267 - 283
Influence of assay conditions on invertase activity in different Scottish soils D. VaughanR. E. Malcolm OriginalPaper Pages: 285 - 292
Possible use of N2O in MPN tubes for enumeration of denitrifiers G. U. Okereke Short Communications Pages: 295 - 296
Increased nodulation of “non-nodulating” (rj1 rj1) soybeans by high dose inoculation J. S. La FavreA. R. J. Eaglesham Short Communications Pages: 297 - 300
The effects of soluble-Al on root growth and radicle elongation L. J. SheppardM. J. S. Floate Short Communications Pages: 301 - 306