Influence of four herbicides on the algal flora of a prairie soil D. R. CullimoreA. E. McCann OriginalPaper Pages: 499 - 510
Microbiology of the root region of coconut and cacao under mixed cropping S. K. NairN. S. Subba Rao OriginalPaper Pages: 511 - 519
Ammonia volatilization from a flooded tropical soil W. B. VenturaT. Yoshida OriginalPaper Pages: 521 - 531
Comparative lime requirements of tropical and temperate legumes D. N. MunnsR. L. Fox OriginalPaper Pages: 533 - 548
Total uptake of nutrients at different stages of the growth of groundnut and the ratios in which various nutrient elements exist in groundnut plant S. LoganathanK. K. Krishnamoorthy OriginalPaper Pages: 565 - 570
Uptake of radioactive calcium by groundnut (Arachis hypogaea L.) and efficiency of utilisation of applied calcium S. LoganathanK. K. Krishnamoorthy OriginalPaper Pages: 571 - 577
Organic matter transformations in soils M. K. SinhaD. P. SinhaH. Sinha OriginalPaper Pages: 579 - 590
Influence of lime on nitrogen fixation by tropical and temperate legumes D. N. MunnsR. L. FoxB. L. Koch OriginalPaper Pages: 591 - 601
Chelate behaviour in saline-alkaline soil conditions H. M. NabhanJ. VanderdeelenA. Cottenie OriginalPaper Pages: 603 - 618
Effects des poussieres d'amiante sur la microflore tellurique L. M. BordeleauR. LalandeM. Tabi OriginalPaper Pages: 619 - 627
Preliminary evaluation of H2SO4 application methods to soils J. RyanS. MiyamotoJ. L. Stroehlein Short Communication Pages: 629 - 632
Rate of nitrification of ammoniated vermiculite M. H. StoneA. Wild Short Communication Pages: 633 - 636
Mechanism of differential susceptibility of two rice varieties to zinc deficiency F. M. ChaudhryS. M. AlamA. Latif Short Communication Pages: 637 - 642
Studies on the effect of changing the environments of paddy roots on the uptake of zinc, manganese and iron N. K. BanerjeeL. M. Shukla Short Communication Pages: 643 - 647
Mechanism of nitrogen effect on zinc nutrition of flooded rice F. M. ChaudhryM. A. KausarRahmatullah Short Communication Pages: 649 - 654
Phenolic acids in groundnut seed exudates M. N. ReddyG. RamagopalA. S. Rao Short Communication Pages: 655 - 658
A quantitative method to examine large numbers of soil samples for Synchytrium endobioticum, the cause of potato wart disease Michael C. HampsonPaul R. Thompson Short Communication Pages: 659 - 664
A simple ion-exchange resin procedure for extracting plant-available elements from soil E. Sibbesen Short Communication Pages: 665 - 669
Nitrogenase activity in Nostoc muscorum; recovery from desiccation G. A. Rodgers Short Communication Pages: 671 - 674
Plant-soil relationships in a New Caledonian serpentine flora J. LeeR. R. BrooksT. Jaffré Short Communication Pages: 675 - 680
Molybdenum nutrition of rice under low and high nitrogen level D. K. Das GuptaP. Basuchaudhuri Short Communication Pages: 681 - 685
Influence of added manganese on nitrification in a low-manganese soil D. O. Wilson Short Communication Pages: 687 - 690
Effect of organic amendments and fungicides on root rot and wilt of pea (Pisum sativum L.) R. S. MehrotraD. K. Garg Short Communication Pages: 691 - 694
The effect of tar contamination on the extractable metal levels in soil I. D. PulfordH. J. Duncan Short Communication Pages: 695 - 697
Determination of the C/N ratio in a chromic acid soil digest A. J. Kempers Short Communication Pages: 699 - 703
The relationship between crop yield and petiole nitrate concentration at various growth stages M. A. ScaifeA. Barnes Short Communication Pages: 705 - 712
Influence of low light intensity on growth and productivity of rice, Oryza sativa, L. B. Venkateswarlu Short Communication Pages: 713 - 719