48 



MANUAL OF GENEEAL AGEICULTURE. 



Separate into three piles: (1) Chaff, dirt, broken seed, 

 etc.; (2) Sound seed; (3) Weed seed. Weigh each lot. 

 Save the seed from each sample. Record results. 



Which gives the largest amount of seeds for the price ? 

 Does this sample contain many weed seeds? Consider- 

 ing price, quality and weeds seed, which sample should 

 be purchased? 



(b) Germination Test. Moisten a piece of blotting 

 paper and lay it in a pan. Take 100 seeds from a sam- 

 ple of pure seed just as they come. Put them on the blot- 

 ter and label. Moisten another piece of blotting paper and 

 lay over them, and cover with glass or straw. Keep moist 

 and in a moderately warm room. Do the same with the 

 other samples. Examine from day to day, and remove 

 the sprouted seeds from each sample. 



The quickness with which the seeds start indicates 

 something of their vigor. Which sample germinated 

 quickest? From this and (a) fill out the following table: 



