Effect of iron on the absorption and translocation of manganese A. J. Sánchez-RayaA. LealL. Recalde OriginalPaper Pages: 429 - 434
Genetic variation in the activity of nitrate reductase and nitrite reductase in Lolium P. J. GoodmanD. M. HughesP. B. Ellis OriginalPaper Pages: 435 - 443
Crop response to phosphate and lime on acid sandy soils high in zinc K. W. SmildeP. KoukoulakisB. Van Luit OriginalPaper Pages: 445 - 457
The mineral composition of the Robusta banana plant II. The concentration of mineral constituents I. T. TwyfordD. Walmsley OriginalPaper Pages: 459 - 470
The mineral composition of the Robusta banana plant III. Uptake and distribution of mineral constituents I. T. TwyfordD. Walmsley OriginalPaper Pages: 471 - 491
The mineral composition of the Robusta banana plant IV. The application of fertilizers for high yields I. T. TwyfordD. Walmsley OriginalPaper Pages: 493 - 508
The effects of shading and defoliation on nodulation and nitrogen fixation by white clover A. C. P. ChuA. G. Robertson OriginalPaper Pages: 509 - 519
Acetylene-reducing activity of detached root nodules ofMyrica faya ait C. MiguelC. Rodriguez-Barrueco OriginalPaper Pages: 521 - 526
Evaluation of the claim that grass root exudates inhibit nitrification B. S. Purchase OriginalPaper Pages: 527 - 539
Protein content and amino acid spectrum of finger millet [Eleusine coracana (L.) Gaertn.] as influenced by nitrogen and sulphur fertilizers Arnulv StabursvikOla M. Heide OriginalPaper Pages: 549 - 571
The effect of nitrogen sources and iron levels on the growth and composition of Sitka spruce and Scots pine L. E. NelsonR. Selby OriginalPaper Pages: 573 - 588
Effect of calcium deficiency on the translocation and utilization of C14-Photosynthate in tomato plants Pratap V. Rangnekar OriginalPaper Pages: 589 - 600
Uptake and distribution of potassium in tomato plants R. T. BesfordG. A. Maw OriginalPaper Pages: 601 - 618
Migration of ions in soils I. Movement of Zn65 from surface application of zinc sulphate in soil columns B. R. Singh OriginalPaper Pages: 619 - 628
Migration of ions in soils II. Movement of Mn54 from surface application of manganese sulphate in soil columns B. R. Singh OriginalPaper Pages: 629 - 636
Zinc uptake by rice, as affected by metabolic inhibitors and competing cations P. M. GiordanoJ C NoggleJ. J. Mortvedt OriginalPaper Pages: 637 - 646
A specific calcium requirement for potassium uptake by excised vetch roots M. G. VolzL. Jacobson OriginalPaper Pages: 647 - 659
Effect of P fertilizer on root morphology and P uptake ofCarex coriacea C. Ll. Powell OriginalPaper Pages: 661 - 667
Symbiotic effectiveness of antibiotic-resistant mutants ofRhizobium japonicum R. A. LevinM. P. Montgomery OriginalPaper Pages: 669 - 676
Influence of nitrogen on the incidence of downy mildew disease of pearl millet (Pennisetum typhoides Stapf & Hubb.) K. SivaprakasamK. PillayarsamyC. K. Soumini Rajagopalan Short Communication Pages: 677 - 679
Groundnut (Arachis hypogaea L.) cultivars for cultivation on calcareous soils A. HartzookD. KarstadtNadav Sander Short Communication Pages: 685 - 688
A common chemical extractant for estimating plant-available zinc in different soil types (peaty, red and alluvial) R. C. TiwariB. Mohan Kumar Short Communication Pages: 689 - 693
Comment on ‘Spectroscopie infra-rouge de quelques acides humiques’ by J. R. Bailly J. D. RussellH. A. Anderson Short Communication Pages: 695 - 696
Evaluation of a suitable extractant for available nickel in soils S. G. MisraPadmakar Pande Short Communication Pages: 697 - 700
Growth ofNarthecium ossifragum in relation to the dissolved oxygen concentration of the rooting substrate R. J. SummerfieldJ. O. Rieley Short Communication Pages: 701 - 705