506 The Storage of Farmyard Manure 



1916. Wheat Experiment, Woking. 6-0 tons No. 1 and 6-2 tons No. 2, 

 applied per acre, representing in each case 10 tons per acre of 

 original manure. 



Control 

 Corn yield (total produce) lbs. per acre ... 3280 

 Percentage increase ... ... ... — 



History of manure 



Mixed dung, stored 5 months 



Percentage composition of manure 

 Dry matter 

 Total nitrogen ... 

 Nitrogen as NH3 

 „ „ amide 

 „ ,, other compounds 

 Weight of manure applied, tons per acre 



1916. Wheat Experiment, Rothamsted. 10 tons per acre of 

 stored manure applied. 



1916. Potato Experiments, Rothamsted. 16-1 tons of No. 1, 14'3 of 

 No. 2 and 15-9 of No. 3 appHed, representing in each case 20 tons 

 per acre of original manure. 



