Impact of rice straw management practices on yield, nitrogen uptake and soil properties in a wheat-rice rotation in northern India T. S. VermaR. M. Bhagat OriginalPaper Pages: 97 - 106
Increasing urea-N efficiency for transplanted lowland rice by pneumatic injection: Yield and economics at the farm level J. H. M. Scholten OriginalPaper Pages: 107 - 114
Methane production from anaerobic soil amended with rice straw and nitrogen fertilizers Zhengping WangRonald D. DelauneWilliam H. Patrick Jr. OriginalPaper Pages: 115 - 121
Leaching of nitrate, calcium and magnesium under maize cultivation on an oxisol in Togo R. PossH. Saragoni OriginalPaper Pages: 123 - 133
Development and evaluation of an improved soil test for phosphorus. 2. Comparison of the Olsen and mixed cation-anion exchange resin tests for predicting the yield of ryegrass grown in pots S. SaggarM. J. HedleyI. S. Cornforth OriginalPaper Pages: 135 - 144
Predicting plant yields using soil testing for phosphorus: Effects of error in the estimation of the maximum yield on interseasonal comparisons of yield prediction M. D. A. BollandR. J. Gilkes OriginalPaper Pages: 145 - 153
The effect of clay on gypsum filterability in the nitrophosphate process J. T. Tinge OriginalPaper Pages: 155 - 160
The effect of water supply on the response of subterranean clover, annual medic and wheat to superphosphate applications M. D. A. Bolland OriginalPaper Pages: 161 - 175
Solar evaporation of aqueous wastes from fertilizers/ag-chemical dealerships Doris H. AshDavid G. SalladayGerald R. Guinn OriginalPaper Pages: 177 - 185