Effect of baygon (2-isopropoxyphenyl N-methylcarbamate) on some soil biological processes and its degradation by a Pseudomonas sp. K. G. GuptaR. K. SudJ. C. Aggarwal OriginalPaper Pages: 317 - 325
Competition between an introduced strain and native Uruguayan strains of Rhizobium trifolii C. A. LabanderaJ. M. Vincent OriginalPaper Pages: 327 - 347
Timing of nitrogen application — Its effect on nitrogen utilization and protein content of rice S. NagarajahM. M. M. JaufferS. M. Willenberg OriginalPaper Pages: 349 - 358
Attendant changes in the bacterial flora of rice rhizosphere as influenced by fertilizer treatment R. P. MishraS. N. Das OriginalPaper Pages: 359 - 365
The growth of Rhizobium leguminosarum on the root surface and in the rhizosphere of pea seedlings in relation to root exudates A. W. S. M. van Egeraat OriginalPaper Pages: 367 - 379
The possible role of homoserine in the development of Rhizobium leguminosarum in the rhizosphere of pea seedlings A. W. S. M. van Egeraat OriginalPaper Pages: 381 - 386
Water potentials of Salsola kali L. at differing levels of substrate water availability Walter T. McDonough OriginalPaper Pages: 387 - 393
Effect of potassium nutrition on tomato plant growth and fruit development R. T. BesfordG. A. Maw OriginalPaper Pages: 395 - 412
The extraction and electrophoretic fractionation of soil humic substances J. N. EloffF. W. Pauli OriginalPaper Pages: 413 - 422
Determination of submicroquantities of plant-available phosphate in aqueous soil extracts A. J. Kempers OriginalPaper Pages: 423 - 427
Use of radio-active phosphorus in determining the efficiency of fertilizer utilization by cacao plantation Yaw Ahenkorah OriginalPaper Pages: 429 - 439
Effect of potassium nutrition on leaf protein concentrations and growth of young tomato plants R. T. Besford OriginalPaper Pages: 441 - 451
The effects of ethylene in the root environment upon the development of barley R. N. CrossettD. Joan Campbell OriginalPaper Pages: 453 - 464
Effect of soil application of fly ash on chemical composition and yield of corn (Zea mays L.) and on chemical composition of displaced soil solutions C. O. PlankD. C. MartensD. L. Hallock OriginalPaper Pages: 465 - 476
Cation exchange capacity of gypsic soils Mohammed GarmanP. R. Hesse Short Communication Pages: 477 - 480
A simple technique to determine axial root growth force G. C. AggarwalS. S. Prihar Short Communication Pages: 485 - 489
Rapid microdetermination of silicon in rice plant P. K. NayarA. K. MisraS. Patnaik Short Communication Pages: 491 - 494
Stimulation of growth in Eucalyptus due to aluminium K. J. Mullette Short Communication Pages: 495 - 499