The effect of some soil amendments on chemical and microbiological properties of an alkali soil S. A. Z. MahmoudS. M. TahaF. Anter OriginalPaper Pages: 1 - 14
The effect of sodium chloride and sulphate on sulphur oxidation in soil Paulina Keller OriginalPaper Pages: 15 - 22
Soil improvement trials using scarification and fertilization in stagnant white spruce plantations, Quebec, Canada J. D. Gagnon OriginalPaper Pages: 23 - 33
Effect of sand culture and sodium chloride on growth physical structure and organic acid metabolism inBryophyllum pinnatum S. M. KarmarkarG. V. Joshi OriginalPaper Pages: 41 - 48
Interaction of nutrients and four antifungal antibiotics in their effects on Pythium species in vitro and in soil O. VaartajaV. P. Agnihotri OriginalPaper Pages: 49 - 61
Forms of manganese as influenced by organic matter and iron oxide S. G. MisraP. C. Mishra OriginalPaper Pages: 62 - 70
Uptake of silica byTrifolium incarnatum in relation to the concentration in the external solution and to transpiration L. H. P. JonesK. A. Handreck OriginalPaper Pages: 71 - 80
Soluble and total silicon in sugar cane R. L. FoxJ. A. SilvaD. Y. Teranishi OriginalPaper Pages: 81 - 92
Effect of mineral nutrition on the fusarium brown foot-rot of wheat P. E. Onuorah Short Communication Pages: 99 - 104
The mucilaginous layer of citrus roots — Its delineation in the rhizosphere and removal from roots Eugene Brams Short Communication Pages: 105 - 108
Some effects of diazinon on the microflora of submerged soils N. SethunathanI. C. MacRae Short Communication Pages: 109 - 112
Chlorophyll compounds and nitrogen availability in West Indian soils I. S. Cornforth Short Communication Pages: 113 - 116
Enzymatic breakdown of pectin and acid-inhibition of the infection of Medicago roots by rhizobium D. N. Munns Short Communication Pages: 117 - 120
Absorption of manganese by rice under flooded and unflooded conditions C. S. Weeraratna Short Communication Pages: 121 - 125
Host specificity among five species in the cowpea cross-inoculation group E. V. Doku Short Communication Pages: 126 - 128
Penicillium urticae Bainier enumeration in soils Fred A. NorstadtT. M. McCalla Short Communication Pages: 129 - 133
An effect of conifers on available soil nitrogen E. L. StoneR. F. Fisher Short Communication Pages: 134 - 138
Nutrient status effects on loss of amides and amino acids from pine roots G. D. Bowen Short Communication Pages: 139 - 142
An observation on the influence of nitrogen fertilization on the attack of peas by powdery mildew (Erysiphe polygoni DC) Tj. WijngaardenJ. Ellen Short Communication Pages: 143 - 144
Micro-organic colonization of forest soil after burning M. Jalaluddin Short Communication Pages: 150 - 152
Enzymatic activity of a soil profile in the Sudan Gezira M. M. MusaN. O. Mukhtar Short Communication Pages: 153 - 156