Phosphorus transformations from rock phosphates in acid soils and measures for increasing their efficiency for growing rice (Oryza sativa L.) B. N. ShindeP. A. SarangamathS. Patnaik OriginalPaper Pages: 449 - 459
Measurement of water fluxes and potentials in a single root-soil system H. B. SoL. A. G. AylmoreJ. P. Quirk OriginalPaper Pages: 461 - 475
Economie de l'azote sous cultures fourrageres en milieu tropical humide G. HainnauxJ. C. TalineauB. Bonzon OriginalPaper Pages: 477 - 489
Effects of environmental factors on estimated daily radial growth ofPinus resinosa andBetula papyrifera F. H. BraekkeT. T. KozlowskiT. Skröppa OriginalPaper Pages: 491 - 504
Response of cowpea genotypes to zinc in relation to photosynthesis, nodulation and dry matter distribution M. C. GhildiyalO. P. S. TomarG. S. Sirohi OriginalPaper Pages: 505 - 516
Simulation of the water distribution in soil H. R. RowseD. A. StoneA. Gerwitz OriginalPaper Pages: 533 - 550
Effect of presowing treatment of sodium chloride on the incidence of green ear disease ofPennisetum typhoides (Burm) Stapf and Hubb. Var. HB3 B. A. HegdeS. M. Karande OriginalPaper Pages: 551 - 559
Comparative role of phosphate in soil or inside the host on the formation and effects of endomycorrhiza Rosario AzcónA. D. MarinJ. M. Barea OriginalPaper Pages: 561 - 567
Computed redistribution of pesticides in the root zone of an arable crop M. Leistra OriginalPaper Pages: 569 - 580
Free and protein amino acids, and nutrient concentrations in wheat grain as affected by phosphorus nutrition at various salinity levels C. K. LabanauskasF. T. BinghamAntonio Cerda OriginalPaper Pages: 581 - 593
Effects of saline irrigation water on glasshouse cucumbers C. SonneveldS. J. Voogt OriginalPaper Pages: 595 - 606
Response of Douglas fir seedlings to nitrate and ammonium nitrogen sources at different levels of pH and iron supply R. Van Den Driessche OriginalPaper Pages: 607 - 623
The effect of nitrate feeding levels on the pathway of nitrogen incorporation into photosynthesizing leaf metabolism ofDatura stramonium L O. A. M. LewisT. A. Probyn OriginalPaper Pages: 625 - 631
Some measures of reducing leaching loss of nitrates beyond potential rooting zone Bijay SinghD. S. RanaG. S. Sekhon OriginalPaper Pages: 633 - 639
A recommendation against the use of alkaline soil extractions in the study of allelopathy R. KaminskyW. H. Müller Short Communication Pages: 641 - 645
Phosphorus in soil extracted with anion-exchange resin M. El-Nennah Short Communication Pages: 647 - 651
Effect of fluoride pollution on the organic matter content of soil Dhruva N. RaoDhirendra Pal Short Communication Pages: 653 - 656
Pseudomonas azotogensis—an associate symbiont of Bajra (Pennisatum americanum) Shashi PrabhaS. K. NairP. Tauro Short Communication Pages: 657 - 659
Studies of relationships between cation exchange capacity of plant roots and tillering and plant growth of different varieties of paddy and wheat crops S. SinghL. C. Ram Short Communication Pages: 661 - 665
Toxic levels of soil and plant zinc for maize and wheat P. N. TakkarM. S. Mann Short Communication Pages: 667 - 669
Nutrient distribution in an 8-year-oldPinus virginiana (Mill.) stand J. W. ScottD. W. SmithP. P. Feret Short Communication Pages: 671 - 674
Response of wheat to levels of zinc and potash in calcareous soil Raman RaiS. N. Singh Short Communication Pages: 675 - 677
A comparison of two water potential predictors for use in plant and soil thermocouple psychrometry H. M. RauscherD. W. Smith Short Communication Pages: 679 - 683
Effect of fungal staling growth substances on colony interaction D. K. AroraR. K. Upadhyay Short Communication Pages: 685 - 690
The use of grasses as indicators of environmental pollution P. H. T. BeckettE. WollanD. R. Williams Short Communication Pages: 691 - 695
The solubility of manganese in some acid soils of the tropics Edward R. Rhodes Short Communication Pages: 697 - 701
Aluminum biocycling as a factor in soil change A. S. MessengerJ. R. KlineD. Wilderotter Short Communication Pages: 703 - 709
N2-fixing root nodules in Ulmaceae:Parasponia or (and)Trema spp.? A. D. L. AkkermansS. AbdulkadirM. J. Trinick Short Communication Pages: 711 - 715
An inexpensive and rapid method of plant water determination G. C. AggarwalB. B. KanwarB. R. Tripathi Short Communication Pages: 717 - 720