Effect of calcium carbonate and iron on the availability and uptake of iron, manganese, phosphorus and calcium in pea (Pisum sativum L.) Mahendra SinghS. S. Dahiya OriginalPaper Pages: 511 - 520
Root uptake coefficient for Cl ions in corn as affected by transpiration rates and solution concentration B. K. SinhaN. T. Singh OriginalPaper Pages: 521 - 525
Some effects of environmental stress on seed yield of cowpea (Vigna unguiculata (L.) walp.) cv. Prima R. J. SummerfieldP. A. HuxleyA. P. Hughes OriginalPaper Pages: 527 - 546
Effect of potassium on uptake and incorporation of ammonium-nitrogen of rice plants K. MengelViro MaijaG. Hehl OriginalPaper Pages: 547 - 558
Influence of iron and pH on the yield and iron, manganese, zinc, and sulfur concentrations of carrots grown on sphagnum peat soil Umesh C. GuptaE. W. Chipman OriginalPaper Pages: 559 - 566
Influence of potassium concentration on growth and potassium uptake by rice plants Nand Kumar Fageria OriginalPaper Pages: 567 - 573
Effects of alkali salts on carbon and nitrogen mineralization of organic matter in soil R. D. Laura OriginalPaper Pages: 587 - 596
Evaluation of leaf analysis as a guide to nitrogen and phosphorus fertilization of potato (Solanum tuberosum L.) A. GuptaM. C. Saxena OriginalPaper Pages: 597 - 605
A study of root distribution and growth in a Pinus sylvestris L. (Scots pine) plantation in east anglia John Roberts OriginalPaper Pages: 607 - 621
Calcium and magnesium in ryegrass some differences in accumulation by roots and in translocation to shoots M. A. MorganW. A. Jackson OriginalPaper Pages: 623 - 637
Influence of agricultural crops on the actinomycetes flora in soil H. Vruggink OriginalPaper Pages: 639 - 654
A method for collecting soil percolate and soil solution in the field V. T. TadrosJ. W. McGarity OriginalPaper Pages: 655 - 667
Level and origin of carboxylate in buckwheat G. A. ArgyriadisW. DijkshoornJ. E. M. Lampe OriginalPaper Pages: 669 - 681
Factors inhibiting parathion hydrolysis in organic matter-amended soil under flooded conditions K. P. RajaramN. Sethunathan OriginalPaper Pages: 683 - 690
Contamination of humic acid by silica gel and sodium bicarbonate K. H. Tan OriginalPaper Pages: 691 - 695
Effect of salinity, alkalinity and iron application on the availability of iron, manganese, phosphorus and sodium in pea (Pisum sativum L.) crop S. S. DahiyaMahendra Singh Short Communication Pages: 697 - 702
Effects of soil fertility on the activities of certain enzymes of desiccated wheat leaves S. KathjuA. N. Lahiri Short Communication Pages: 709 - 713
Effect of sulfuric acid on sodium-hazard of irrigation water G. S. GumaaR. J. PratherS. Miyamoto Short Communication Pages: 715 - 721