Labeled nitrogen fertilizer research with urea in the semi-arid tropics R. J. BureshP. L. G. VlekJ. M. Stumpe OriginalPaper Pages: 3 - 19
Labeled nitrogen fertilizer research with urea in the semi-arid tropics J. T. MoraghanT. J. RegoK. L. Sahrawat OriginalPaper Pages: 21 - 33
Phosphorus nutrition on mycorrhizal colonization, photosynthesis, growth and nutrient composition ofCitrus aurantium C. R. Johnson OriginalPaper Pages: 35 - 42
The influence of shading on associative N2 fixation Rex L. SmithS. C. SchankR. C. Littell OriginalPaper Pages: 43 - 52
Effects of waterlogging and drought on winter wheat and winter barley grown on a clay and a sandy loam soil R. Q. CannellR. K. BelfordC. P. Webster OriginalPaper Pages: 53 - 66
Effects of waterlogging and drought on winter wheat and winter barley grown on a clay and sandy loam soil K. GalesSarah M. AylingR. Q. Cannell OriginalPaper Pages: 67 - 78
Effect of variousRhizobium trifolii strains on nitrogenase (C2H2) activity profiles of red clover (Trifolium pratense cv. Venla) Kristina Lindström OriginalPaper Pages: 79 - 89
Salt stress effects on growth and mineral nutrition of French beans V. N. BhivareJ. D. Nimbalkar OriginalPaper Pages: 91 - 98
Aggregation of surface mine soil by interaction between VAM fungi and lignin degradation products of lespedeza Frederick M. Rothwell OriginalPaper Pages: 99 - 104
Allelopathic effects ofEupatorium riparium on population regulation of two species ofGalinsoga and soil microbes J. P. N. RaiR. S. Tripathi OriginalPaper Pages: 105 - 117
Antagonistic effects of soil bacteria onFusarium oxysporum Schlecht f.sp.dianthii (Prill and Del.) Snyd. and Hans. C. FilippiG. BagnoliG. Picci OriginalPaper Pages: 119 - 125
Water deficits and nitrogen uptake as affected by water table depth in rice (Oryza sativa L.) J. C. O'TooleJ. L. Padilla OriginalPaper Pages: 127 - 132
Growth of wheat and subterranean clover on soil artificially compacted at various depths T. G. ReevesP. J. HainesD. R. Coventry Short Communications Pages: 135 - 138
Effects of soil fertilization and covering of the culture with plastic film on the provitamin A content of early lettuces J. RouchaudC. MoonsF. Van Linden Short Communications Pages: 139 - 141
Influence of crop rotation and intercropping of cassava with legumes on VA mycorrhizal symbiosis of cassava E. SieverdingD. E. Leihner Short Communications Pages: 143 - 146
Effect of fungicides on mycorrhizal colonization and growth of onion A. ManjunathD. J. Bagyaraj Short Communications Pages: 147 - 150
Effect of sand shape on evaporation from soil surface N. D. MisopolinosJ. M. Kalovoulos Short Communications Pages: 151 - 154