APPENDIX 269 



11. An acre was planted with 20 ears of corn, five of 

 which did not germinate. The acre produced 30 bushels 

 of corn. What would it have produced if all the seed 

 had grown? 



12. A farmer increased his crop of corn 15 bushels an 

 acre by testing the seed. What will be his additional 

 income in 5 years on 40 acres w-ith corn at 50 cents a 

 bushel? 



13. The most convenient way to test seed corn at school 

 is by using the "rag-doll" tester. It is merely a strip of 

 muslin about five feet long and nine inches wide. Mark 

 spaces on this strip and number them so you can identify 

 the ears you are testing. Place the kernels from the ears 

 in the spaces just as in the sawdust tester, and roll care- 

 fully and tightly from both ends, keeping the kernels in 

 the proper spaces. Tie a string around the roll and stand 

 the roll, with tips of the kernels down, in a bucket of tepid 

 water for several hours. Then place the roll under an 

 inverted bucket so the moisture will not dry out. 



Write to the Department of Agriculture, Washington, 

 D. C, for the following farmers' bulletins: Silos and 

 Silage, No. 32 ; Production of Good Seed Corn, No. 229 ; 

 Germination of Seed Corn, No. 253 ; Food Value of Corn, 

 No. 298; Harvesting and Storing Corn, No. 313; Corn 

 Harvesting Machinery, No. 303; Corn Cultivation, No. 

 414; Seed Corn, No. 415; Corn Culture in the South, 

 No. 81. 



