Effects of excreta return on properties of a grazed pasture soil R.A. CarranP.W. Theobald OriginalPaper Pages: 79 - 85
Nutrient cycling in a cropping system with potato, spring wheat, sugar beet, oats and nitrogen catch crops. I. Input and offtake of nitrogen, phosphorus and potassium J. VosP.E.L. van der Putten OriginalPaper Pages: 87 - 97
The effect of autumn applied 15N-labelled fertilizer on nitrate leaching in a cultivated soil during winter W.R. CooksonJ.S. RowarthK.C. Cameron OriginalPaper Pages: 99 - 107
Transformations and plant uptake of urine N and S in long and short-term pastures P.H. WilliamsR.J. Haynes OriginalPaper Pages: 109 - 116
Recovery of 15N-labelled fertiliser by a perennial ryegrass seed crop and a subsequent wheat crop P.H. WilliamsJ.S. RowarthR.J. Tregurtha OriginalPaper Pages: 117 - 123
Decomposition in the field of residues of oilseed rape grown at two levels of nitrogen fertilisation. Effects on the dynamics of soil mineral nitrogen between successive crops I. TrinsoutrotB. NicolardotS. Recous OriginalPaper Pages: 125 - 137
Nitrogen leaching and crop availability in manured catch crop systems in Sweden Gunnar TorstenssonHelena Aronsson OriginalPaper Pages: 139 - 152
The fate of nitrogen from incorporated cover crop and green manure residues E. M. BaggsC. A. WatsonR. M. Rees OriginalPaper Pages: 153 - 163
Biological nitrogen fixation by two tropical forage legumes assessed from the relative ureide abundance of stem solutes: 15N calibration of the technique in sand culture Bruno J.R. AlvesAlexander S. ResendeRobert M. Boddey OriginalPaper Pages: 165 - 176
Estimation of N2 fixation in Desmodium ovalifolium from the relative ureide abundance of stem solutes: Comparison with the 15N-dilution and an in situ soil core technique Bruno J.R. AlvesClaudia de P. RezendeRobert M. Boddey OriginalPaper Pages: 177 - 193
