DOMINION EXPERIMENTAL FARMS 143 



Experiment No. 6. 



BREAKING SOD FROM CULTIVATED GRASSES AND 



CLOVERS. 



1 — Plough July 20th to 30th, 5 inches deep. Pack and disc 

 at once — disc in fall. 



2 — Plough October, 5 inches deep — pack — disc harrow. 



3 — Plough early July 3 inches deep — backset September, 

 cultivate as necessary. 



4 — Stiff-tooth rip July — plough 5 inches deep September — 

 cultivate. 



5 — Spring plough 5 inches deep — seed same spring to wheat. 



6 — Duphcate No. 5 — sow flax. 



7 — Repeat No. 5 — sow peas. 



8 — ^^Plough May 15th — work as summer-fallow. 



In each case, necessary cultivation to be given at right time 

 to insure success. Packer to be used on every plot at right time. 



Forty plots are required for this experiment. Five groups 

 of eight each in five-year rotation : — 



1st year. — (1911). Seed down, no nurse crop, western rye 

 grass 10 lbs., alfalfa 3 lbs., clover 3 lbs. per acre. 



2nd year — Hay. 



3rd year. — Hay. 



4th year. — Break. 



5th year. — Crop, and seed western rye grass 10 lbs., alfalfa 

 3 lbs., red clover 3 lbs. Leave stubble and new seeds 

 as long as possible in order to be able to judge of catch 

 of seed, then plough and prepare for seeding next 

 spring without nurse crop, as in first year of rotation. 



In 1911. — Whole area will be seeded down without nurse 

 crop. 



In 1912. — Whole area will be under hay. 



