COLLATERAL READING 



59 



directed (page 51). Repeat for the second sample. Record the results 

 in the note-book as follows: 



If the school has a set of weed seeds, identify the kinds present 

 and the number of seeds of each kind. 



Which sample of seed would it be best to purchase? Why? 



23. Storage of Seed Corn. 



Collect a hundred ears of corn in the fall before it has been frozen. 

 Store fifty in a dry moderately warm room. Leave the others in a corn- 

 crib. Next spring make a germination test of each sample. 



COLLATERAL READING 



Seed of Red Clover and Its Impurities. Farmers' Bulletin No. 260. 



The Production of Good Seed Corn. Farmers' Bulletin No. 229, 

 pp. 17-20. 



The Farmer's Interest in Good Seed. Farmers' Bulletin No. 111. 



Alfalfa Seed. Farmers' Bulletin No. 194. 



The Advantages of Planting Heavy Cotton Seed. Farmers' Bul- 

 letin No. 286. 



Office of Experiment Stations, United States Department of Agri- 

 culture, Bulletin No. 186. 



The School Garden. Farmers' Bulletin No. 218. 



Forage and Fiber Crops in America. Pp. 15-23. 



Cereals in America. Pp. 197-201. 



Cyclopedia of American Agriculture. Vol. I, pp. 131-152. 



