FIELD CROPS. 



125 



3,<i<)5. The 4 by 4 single row plats averaged 23.13 bu. per acre, and the 

 (5 by 4 double row plats 25.56 bu. "There is strong reason to suspect 

 that the greater yield of the double rows is due altogether to the fact 

 that there was a larger number of stalks to the acre." 



Hills of 1 stalk 3 ft. apart Mere compared with hills of 2 stalks 6 ft. 

 apart, the rows being 4 ft. apart in each case. The fertilizer was dis- 

 tributed uniformly along the rows and it was thought that it would be 

 less accessible to the plants at greater distances and would be more 

 gradually appropriated through the growing season instead of being 

 taken up in the early stages of crop growth. The differenves in yield 

 were not significant. 



Tests of seed corn from different portions of the ear, while not eon 

 elusive, seemed to indicate that tip kernels were equal if not superior 

 in productive power to the middle and butt kernels. 



The bulletin concludes with popular directions for the culture of corn, 

 a discussion of its place in rotation, and notes upon cornstalk hay. 



Experiments with corn, 0. 0. Georgeson, F. < '. Burtis, and D. 

 H. Otis (Kansas Sta. Bui. 64, pp. 227 -246). — These include experi- 

 ments on time of planting; amount of cultivation; method of cultiva- 

 tion; subsoiling vs. surface plowing; butt, middle, and tip kernels for 

 seed; and varieties. 



Time of planting (pp. 228, 229). — This experiment occupied 35 twen- 

 tieth acre plats, on which corn was planted at various dates, from 

 April 20 to May 1".». The planting made May 1 gave the highest aver- 

 age yield of good ears (30.05 bu. per acre, with a total yield of 40.04 

 bu.). The highest total yield (41.10 bu. per acre) was obtained from 

 the planting made April 20. The average total yields for 1895- ? 9G gave 

 similar results. 



Amount of cultivation (pp. 230, 231). — Twenty-four twentieth acre 

 plats were cultivated from 1 to G times. The following table gives the 

 average results for 3 years : 



Summary of results for three i/ears. 



As will be seen, cultivation four times gave the highest yield. 



Method of culture (pp. 230-233). — This experiment occupied only 12 

 plats. The ground was broken up in the fall and plowed to the depth 

 of 12 to 14 in. On listed as well as surface planted plats, deep culti- 

 vation was given with a large four-shovel cultivator in the early part 



