113 EXPERIMENTAL FARMS 



4 GEORGE V. f A. 1914 



They are permanently located, it is hoped, and are being studied, keeping in mind 

 the following points of merit: — 



1. Their ability to supply different crops in the proper proportions for certain 

 needs. 



2. Their power to keep weeds in check. 



3. Their comparative profits. 



4. Their effect on the fertility of the soil as indicated by an increase or decrease 

 of crop returns from one period of years to another. 



Rotation 'A.' 



First year. — Corn. Manure applied in spring at rate of 15 tons per acre. Shallow 

 ploughed shortly before corn planting time, turning under both clover and manure. 

 After corn is harvested land is shallow ploughed or cultivated. 



Second year. — Grain. Seeded down with 8 pounds red clover, 2 pounds alsike and 

 10 pounds timothy per acre. 



Third year. — Clover hay. Two crops expected. Top dressed in fall with manure 

 at rate of 15 tons per acre. 



Fourth year. — - Timothy hay. Field ploughed in August, top worked and ribbed 

 up in October. 



Fifth year. — Grain. Seeded down with 10 pounds red clover, which is allowed to 

 grow to be turned under following spring for corn. 



Rotation ' B! 



First year. — Corn. Manure applied in spring at rate of 15 tons per acre. Shal- 

 low ploughed shortly before corn planting time, turning under both clover and 

 manure. 



Second year. — Grain. Seeded down with 10 pounds red clover, 2 pounds alsike and 

 5 pounds timothy per acre. 



Third year. — Hay. Ploughed late fall, manured at rate of 15 tons per acre. 



Fourth year. — Grain. Seeded down with 10 pounds red clover, 2 pounds alsike 

 and 5 pounds timothy per acre. 



Fifth year. — Clover hay. 



Rotation ' C 



First year. — Corn. 



Second year. — Grain. Seeded down with 10 pounds red clover and 12 pounds 

 timothy per acre. 



Third year. — Clover hay. 



Fourth year. — Timothy hay. Field ploughed in August, manured at the rate of 

 24 tons per acre, worked at intervals and ridged up in late fall in preparation for corn. 



Rotation ' D.' 



First year. — Corn. Manure applied in spring at rate of 18 tons per acre. Shal- 

 low ploughed shortly before corn planting time, turning under both clover and 

 manure. 



