Michigan Experiment Station' three varieties were 

 tested, with results as shown in the following table: 



The writer has found from seventeen to twenty 

 bushels to be necessary to furnish a good seeding, and 

 others have advocated the same amount,' although a 

 less quantity is frequently mentioned as satisfactor>-. 



A compilation' of experiments made at thirteen 

 stations to determine the proper amounts of seed shows: 



I. Within ordinary limits, an increase in seed pro- 

 duces a marked increase in total yield and marketable 

 potatoes. 



Mich. Bui. 57, p. 18. 



» Mich. Bui. 93, pp. 5, 6. 



