Nitrate reductase of tea as an indicator of yield and of effect of mulching material R. L. WickremasingheV. FernandoA. Ekanayake OriginalPaper Pages: 3 - 7
Biochemical approach to the control ofXyleborus fornicatus (Coleoptera: Scolytidae) R. L. WickremasingheK. Thirugnanasuntheram OriginalPaper Pages: 9 - 15
Effect of gypsum, pressmud, fulvic acid and zinc sources on yield and zinc uptake by rice crop in a saline-sodic soil Milap ChandN. S. RandhawaM. K. Sinha OriginalPaper Pages: 17 - 24
The effect of quinoid and phenolic compounds on urease and dehydrogenase activity and nitrification in soil M. M. MishraW. FlaigH. Soechtig OriginalPaper Pages: 25 - 33
Nitrification inhibition in drip irrigation systems M. LaherY. Avnimelech OriginalPaper Pages: 35 - 42
Mycoparasitism ofFusarium SPP. onRhizoctonia solani Kühn D. K. AroraR. S. Dwivedi OriginalPaper Pages: 43 - 53
Assimilation of uranium by wheat and tomato plants K. L. GulatiM. C. OswalK. K. Nagpaul OriginalPaper Pages: 55 - 59
Allelopathic effects ofParthenium hysterophorus L Sukhada D. KanchanJayachandra OriginalPaper Pages: 61 - 66
Allelopathic effects ofParthenium hysterophorus L Sukhada D. KanchanJayachandra OriginalPaper Pages: 67 - 75
Modelling the growth of bacteria during glucose decomposition in soil under different temperatures J. KubátB. NovákM. Ružička OriginalPaper Pages: 77 - 84
Effect of heating on properties of some soils from Southern Nigeria and growth of rice B. T. KangA. Sajjapongse OriginalPaper Pages: 85 - 95
Phosphate supplying power of rock phosphates in an oxisol B. Van RaijA. Van Diest OriginalPaper Pages: 97 - 104
A new technique of plant analysis to resolve iron chlorosis J. C. KatyalB. D. Sharma OriginalPaper Pages: 105 - 119
Osmotic and specific effects of magnesium sulphate on the mineral content ofZea mays M. P. Sanchez CondeP. Azuara OriginalPaper Pages: 121 - 131
Loss of nitrate nitrogen in the soil surface layer in Japanese grassland during the heavy rainfall season and its enhancement by the root mat N. Ae Short Communications Pages: 147 - 151
Effect of gibberellin on rice yield response to nitrogen applied at heading, and quality of seeds R. K. MukherjeeB. S. Prabhakar Short Communications Pages: 153 - 156
Elemental concentrations in plant tissues as influenced by low pH soils A. M. BartuskaI. A. Ungar Short Communications Pages: 157 - 161
A pellet method to demonstrate nitrogen fixation by free-living rhizobia A. W. S. M. van EgeraatP. C. J. M. Timmermans Short Communications Pages: 163 - 165
A gnotobiotic plant microcosm J. A. TrofymowJ. GurnseyD. C. Coleman Short Communications Pages: 167 - 170