Exudation of amino acids by intact and damaged roots of wheat and peas W. A. AyersR. H. Thornton OriginalPaper Pages: 193 - 207
Influence of calcium pretreatment on wheat germination on saline media I. I. ChaudhuriH. H. Wiebe OriginalPaper Pages: 208 - 216
Mineralization of the carbon and nitrogen of plant material added to soil and of the soil humus during incubation following periodic drying and rewetting of the soil D. A. van Schreven OriginalPaper Pages: 226 - 245
Interrelations of micro-organisms and mulberry V. N. VasantharajanJ. V. Bhat OriginalPaper Pages: 258 - 267
Effect of salinity and water supply on olive A. A. Abd El RahmanM. H. Sharkawi OriginalPaper Pages: 280 - 290
Morphogenetic responses of tomato plants to combined and individual applications of gibberellic acid, Phosfon and B-nine Sanat K. Majumder OriginalPaper Pages: 291 - 297
Studies on the O-phenanthroline method for determining iron in plant materials Umesh C. Gupta OriginalPaper Pages: 298 - 305
Fusarium oxysporum (Schlecht.) Snyd. et Hans. — A dominant fungus species on the root-surface of woody plant seedlings Jarmila Kubíková OriginalPaper Pages: 306 - 312
Morphological and chemical analyses of red pine (Pinus resinosa ait.) buds Giles M. MarionJohn V. BerglundAlbert L. Leaf OriginalPaper Pages: 313 - 324
Influence of alder hedges on the nitrogen nutrition of apple trees P. DelverA. Post OriginalPaper Pages: 325 - 336
Differing efficiencies of potassium utilization in strains of Snapbeans,Phaseolus Vulgaris L. P. F. SheaG. C. GerloffW. H. Gabelman OriginalPaper Pages: 337 - 346
Plant treatment in relation to the rhizosphere effect T. K. Ramachandra Reddy OriginalPaper Pages: 347 - 356
The mechanism of salt tolerance inSuaeda fruticosa andHaloxylon recurvum Rafiq Ahmad OriginalPaper Pages: 357 - 362
Studies in the mineral nutrition of Japanese mint J. N. SinghD. P. Singh OriginalPaper Pages: 363 - 371
Magnesium-extractable caesium in soils and caesium uptake by plants U. Marckwordt Short Communication Pages: 372 - 374