Contents 



Experimental Station Staff 



Books published from Rothamsted 

 General Account of Rothamsted 



Report of Work done 1921, 1922 



Soil Cultivation ... 



Soil Acidity 



The Feeding of the Plant 



Fertiliser Investigations ... 



Effect of Manures on Crop Composition and Qual 



Quantity of Fertiliser and Crop Yield 



Soil Population and Plant Food 



Control of Soil Population 



The Plant in Disease 



Apicultural Investigations 



The Associated Farms : 



Woburn 



Leadon Court 



Loan of Lantern Slides 



Co-operation with Schools 

 Demonstration and Lecture Arrangement 



Summary of Papers published : 



L — Scientific Papers 



Crops and Plant Growth : 



Botanical Department 



Statistical Methods and Results : 

 Statistical Department 



Soil Organisms : 



Chemical Department 



Algological Section 



Bacteriological Department 



Protozoological Department ... 



Environmental Factors: 

 Chemical Department 

 Physical Department ... 



Plant Pathology : 



Entomological Department ... 

 Insecticides & Fungicides Department 

 Mycological Department 



n. — Technical Papers: 



Crops and Crop Production 



Organic Manures: 



Activated Sludge ... 



Green Manures ... 



Town Refuse 



Artificial Fertilisers ... 



General Agricultural and other Papers 

 Recent Books by the Rothamsted Staff 



The Experimental Plots: 



Rothamsted : 



Notes on Seasons ... 



Expenditure and Cash Returns 



Costs of Ploughing ... 



Tables of Results — The Classical Experiments 

 Later Experiments 

 Woburn : 



Dr. J. A. Voelcker's Report 



Outside Centres : 



Malting Barley 



Trustees and Members of Council 



liii-li 



Page 



4-7 



10, 11 



49,50 



55-58 



77-89 

 90 104 



61-76 



104 

 105 



