Manganese deficiency of sugar beet in organic soils R. F. FarleyA. P. Draycott OriginalPaper Pages: 235 - 244
Manganese studies in some soils with a high organic matter content V. Pavanasasivam OriginalPaper Pages: 245 - 255
Patterns of ammonia volatilization from a forest soil M. K. MahendrappaE. D. Ogden OriginalPaper Pages: 257 - 265
Secondary effects of potassium and nitrogen nutrition of rice: Change in microbial activity and iron reduction in the rhizosphere G. Trolldenier OriginalPaper Pages: 267 - 279
Spectroscopie U.V.-Visible des acides humiques non fractionnés et de certaines de leurs fractions obtenues sur gels de dextranes Jean-René Bailly OriginalPaper Pages: 281 - 297
Some physiological characteristics ofRhizobium meliloti andR. trifolii in relation to efficiency of symbiosis with lucerne and Egyptian clover K. S. B. SarmaM. Lakshmi-KumariN. S. Subba Rao OriginalPaper Pages: 299 - 305
Root exudates from lentil (Lens culinaris medic) seedlings in relation to wilt disease G. R. ClaudiusR. S. Mehrotra OriginalPaper Pages: 315 - 320
The use of C14O2 canopy techniques for measuring carbon transfer through the plant-soil system F. R. WarembourgE. A. Paul OriginalPaper Pages: 331 - 345
Growth and ion uptake by wheat supplied nitrogen as nitrate, or ammonium, or both W. J. CoxH. M. Reisenauer OriginalPaper Pages: 363 - 380
Factors affecting urea hydrolysis in several alberta soils W. D. GouldF. D. CookG. R. Webster OriginalPaper Pages: 393 - 401
Lead uptake from solution by perennial ryegrass and its transport from roots to shoots L. H. P. JonesC. R. ClementM. J. Hopper OriginalPaper Pages: 403 - 414
The effects of soil sterilisation with steam-air mixtures on the development of some glasshouse crops C. SonneveldS. Voogt OriginalPaper Pages: 415 - 423
Dynamic simulation of vertical non-adsorbed anion transport Th. J. FerrariJ. L. Cuperus OriginalPaper Pages: 425 - 438
Fusarium species on groundnut kernels and in groundnut soil A. Z. Joffe OriginalPaper Pages: 439 - 446
Effectiveness of different sources of phosphates on yield, available soil phosphorus and phosphorus content of bluebelle rice G. C. Shukla OriginalPaper Pages: 447 - 455
Effect of extracellular products ofAulosira fertilissima on the growth of rice seedlings V. P. SinghK. Trehan OriginalPaper Pages: 457 - 464
The effect of soil temperature on survival ofFusarium oxysporum f.melonis (Leach and Currence) Snyder and Hansen Z. BanihashemiD. J. Dezeeuw Short Communication Pages: 465 - 468
A probe for sampling mire waters for chemical and gas analysis R. J. Summerfield Short Communication Pages: 469 - 472
Direkte Bestimmung von Bor im Pflanzenmaterial nach der Kurkuminmethode Karel Fiala Short Communication Pages: 473 - 476
Influence of nitrogen and phosphorus fertilizers on the expression of downy mildew of sorghum K. A. Balasubramanian Short Communication Pages: 477 - 479
Nitrogen conservation under babala (Pennisetum typhoides) R. O. BarnardW. J. Fölscher Short Communication Pages: 481 - 483