REPORT OF MR. W. H. FAIRFIELD 477 



SESSIONAL PAPER No. 16 



INOCULATED SOIL. 



The number of applications for hundred-pound sacks of inoculated alfalfa soil 

 that have been supplied or promised during the past year amounts to 130. 



CORRESPONDENCE. 



For the twelve months ending March 31, 1911, there were 2,600 letters received and 

 2,380 sent out, not including circulars and reports. 



CULTURAL AND ROTATION PROBLEMS. 



In conluding, it might not be out of place to point out very briefly the enlarged 

 scope that is to be given this work on the Station with the object of obtaining more 

 exhaustive data regarding cultural as well as rotation problems. 



In connection with the cultural investigations, the following outline will give 

 some idea of the lines of work that are being taken up. 



1. Prairie Breaking. — Ploughing in the spring and sowing immediately with both 

 grain and flax. Breaking different depths and at different times of the year, back- 

 setting, etc. 



2. Depih of Ploughing. — Ploughing different depths from three to eight inches. 

 It will also include subsoil ing. 



3. Summer-fallowing Treatment. — Ploughing at different depths and at different 

 dates, ploughing twice in the same season, etc. 



4. Stubble Treatment. — Ploughing in autumn, in the spring and no ploughing, 

 discing at cutting time and discing in the spring, etc. 



5. Seeding to Grass and Clover. — Seeding with and without a nurse crop, on 

 stubble, on summer-fallow, after hoed crops, etc. 



6. Breaking sod of Cultivated Grasses. — Similar to the tests with prairie sod. 



7. Applying Barnyard Manure. — Applying on stubble, on winter wheat, spring 

 wheat, etc. 



8. Green Manuring. — Ploughing under various green crops. 



9. Seed Bed Preparation. 



10. Soil Packers. — Comparing different styles. 



11. Depth of Seeding. — From one to four inches. 



12. Commercial Fertilizers. 



13. Under draining. 



These experiments will require between four hundred and five hundred plots. 

 Each plot will be one-fortieth of an acre in size. 



