CONTENTS. 



The Future of Agricultural Machinery -Development of Agricultural 

 Machinery— The Productiveness of the New Arable — Demonstration 

 Farm in Norfolk 1 



Cultivation of Land by County Executive Committees — Land 



Drainage— The Cultivation of a Moor in Cornwall 5 



Cost of Butter Production— Whey and Dairy By-Products — Increased 

 Milk Production in Cornwall — Production of Grade A Milk — 

 Electro-pure Process of Treating Milk 11 



The Pig Industry— Poultry and Eggs— Egg-Laying Competition of the 



Northern Utility Society — Tractor Trials, 1 ( J20 1(1 



Shoddy as Manure : Danger of Anthrax — Village Organisation — The 



Value of Seaweed as Manure — Control of Potatoes 21 



Smut Diseases of Wheat,- Barley and Oats— The Wheat Bulb Fly- 

 Wart Disease of Potatoes — Insect Pests and Plant Diseases — 

 Composition of Linseed Grown in Scotland ... ... ... ... 23 



Feeding Stuffs for May. From the Animal Nutrition Institute, 



Cambridge University 31 



Imports and Exports of Feeding Stuffs and Fertilisers ... 34 



Potato Growing 35 



Manures for May. From the Rothamsted Experimental Station ... 37 



Potash Fertilisers 40 



Nitrate of Lime: Its Manufacture and Use. G. A. Cowie, Af.A., 



B. Sc, A.l.C. 43 



The Composition of Potatoes Immune from Wart Disease. E. J. 



Russell, D.Sc.,F.R.S 49 



A Woman's Impressions of a Danish Small Holding. Bertha M. 



Bayne 52 



French Agricultural Soil Maps. Lt.-Col. L. Tebbutt 57 



Wild White Clover: Its Value in the Formation of Pastures... 60 



The Establishment of Village Industries. Sir John L. Green... 62 



Preserving Green Fodder : An Inexpensive Trench Silo. A. W. 



Oldershaw, M.B.E., B.Sc 65 



Air Pollution by Coal Smoke. A. G. Ruston, B.A., B.Sc., M.Sc. ... 69 



Decay in Potato Clamps due to Black-Leg. S. G. Paine and 



C. M. Haenseler ... ... ... ... ... ... ... ... 78 



Ideal Homes Exhibition : The Ministry's Model Allotment ... 81 



Agriculture Abroad 85 



Reclaiming Heath Land in Denmark — Settling Ex-Service Men in New 

 South Wales — Improving Grass Land in Bavaria. 



Questions in Parliament 89 



Notices of Books 90 



Sugar Beet Growing in England 92 



Foot-and-Mouth Disease 92 



Rabies 93 



Agricultural Executive Committees and Cultivation of Land Orders ... 93 



Poultry and Egg Prices ... ... ... ... ... ... 9a 



Price of Sugar for Bee-feeding 93 



Additions to the Library ... ... ... ... ... ... ... ... y4 



Selected Contents of Periodicals 95 



Any oj the Articles in this Journal may be reproduced in any registered 

 newspaper or public periodical without special per mission, provided that ths source 

 is acknowledged in each case. 



The Ministry do not accept responsibility for th-e views expressed and the 

 statements made by contributors, nor for any statements made in the advertisement 



columns of this Journal, 



