Release of Fe, Mn and P in a calcareous vertisol and yield of upland rice as influenced by presowing soil water treatments K. R. SonarR. V. Ghugare OriginalPaper Pages: 11 - 18
The acquisition of phosphorus byLupinus albus L. W. K. GardnerD. G. ParberyD. A. Barber OriginalPaper Pages: 19 - 32
The acquisition of phosphorus byLupinus albus L. W. K. GardnerD. G. ParberyD. A. Barber OriginalPaper Pages: 33 - 41
Mycotrophic growth and mutualistic development of host plant and fungal endophyte in an endomycorrhizal symbiosis G. J. BethlenfalvayR. S. PacovskyG. Fuller OriginalPaper Pages: 43 - 54
Utility of phyllosphere N2-fixing micro-organisms in the improvement of crop growth B. Sen GuptaA. S. NandiS. P. Sen OriginalPaper Pages: 55 - 67
Utility of phyllosphere N2-fixing micro-organisms in the improvement of crop growth B. Sen GuptaS. P. Sen OriginalPaper Pages: 69 - 74
Soil and plant tests for available sulfur in wetland rice soils M. M. IslamF. N. Ponnamperuma OriginalPaper Pages: 97 - 113
Nitrogen-fixing bacteria in Douglas-fir residue decayed byFomitopsis pinicola S. D. SpanoM. F. JurgensenA. E. Harvey Short Communications Pages: 117 - 123
Total nitrogen and phosphorus balance sheet in a typic ustochrept soil under intensive cropping and fertilizer use A. Subba RaoP. G. BabrekarA. B. Ghosh Short Communications Pages: 125 - 129
A suitable extractant for assessing plant-available copper in different soils (peaty, red and alluvial) R. C. TiwariB. Mohan Kumar Short Communications Pages: 131 - 134
Determination of cation exchange capacity of woody plant roots using ammonium acetate extractant G. S. ChamuahS. K. Dey Short Communications Pages: 135 - 138
Silica content ofTriticum aestivum L. in relation to humic acid concentrations in the soil R. KowalskiG. F. Davies Short Communications Pages: 139 - 141
Measurement of the extraradical mycelium of a vesicular-arbuscular mycorrhizal fungus in soil by chitin determination R. S. PacovskyG. J. Bethlenfalvay Short Communications Pages: 143 - 147