XI 



XVII Fallowing. Soil Inoculation. 



J. PERCIVAL, On Soil Inoculation Page 183 



W. B. BOTTOM LEY, Some Effects of Nitrogen-fixing Bacteria on 



the Growth of Non-Leguminous Plants 184 



W. B. BOTTOMLEY and A. D. HALL, Nitrogen-fixing Bacteria and 



Non-Leguminous Plants 184 



Experiments with Nitro-bacterine at Wisley 185 



J. AUGUSTUS VOELCKER, Inoculation Experiments at Woburn . 185 

 R. P. WRIGHT, Bean-inoculation Experiments in Scotland in 1905 



and 1906 186 



Inoculation of Lucerne in Scotland 187 



E. J. RUSSELL and H. B. HUTCHINSON, The Effect of Partial 



Sterilisation of Soil on the Production of Plant Food . . . 187 



B. DYER, Fertilising Effect of Soil Sterilisation 189 



XYIH Theories of Fertiliser Action. 



A. D. HALL, Fertilisers and Manures 190 



Woburn Experimental Station. Visit of the Royal Agricultural 



Society 194 



J. AUGUSTUS VOELCKER, Pot-culture Experiments and on Inocu- 

 lation of Leguminous Crops, at Woburn, in 1908 .... 196 

 A. D. HALL, Some Secondary Actions of Manures upon the Soil 199 

 E. J. RUSSELL, The Nitrogen Problem in Crop Production . . 203 

 Some recent Agricultural Field Trials in Great Britain .... 203 



XIX Organic Fertilisers. 



EDWARD J. RUSSELL, The Composition of Seaweed audits Use as 



Manure 204 



E. G. MAWBEY, Land Utilisation of Sewage 207 



A. H. VALENTINE, The Distillation of Sewage Sludge .... 208 



XX Chalking, Marling and Liming. 



C. A. STEWART, The Definition of Marl . , 210 



J. HUGHUES, Value of Chalk as a Dressing for Light Soils . . 210 

 [. AUGUSTUS VOELCKER, Experiments at Woburn, on the Use of 



Lime 211 



Experiments with Magnesia on Wheat, 1909, at Woburn. . 212 



Experiments with Magnesia on Potatoes 212 



