Microbial changes occurring in soil as a result of storage G. StotzkyR. D. GoosM. I. Timonin OriginalPaper Pages: 1 - 18
Comparative study of the effects of ammonium and nitrate nitrogen in the nutrition of rice A. Q. M. B. KarimJ. Vlamis OriginalPaper Pages: 32 - 41
The concentration of easily soluble reducing substances in roots and the formation of ectotrophic mycorrhizal associations — A re-examination of Björkman's hypothesis W. R. C. HandleyC. J. Sanders OriginalPaper Pages: 42 - 61
Uptake of nitrogen and phosphorus in relation to soil structure and nutrient mobility L. K. Wiersum OriginalPaper Pages: 62 - 70
Die Abhängigkeit des Kornertrages, Klebergehaltes und der Quellzahl des Weizens von Stickstoffdüngung und Bodenart E. Primost OriginalPaper Pages: 94 - 107
The effect of flooding and aeration on the mobility of certain trace elements in soils NG Siew KeeC. Bloomfield OriginalPaper Pages: 108 - 135