68 



CAMPBELL'S SOIL CULTURE MANUAL 



nation and development were rapid. The fourth day, as 

 regular as the days came after seeding, the little green 

 spears could be seen the entire length of the row. On 

 the seventh day these leaves measured from three to four 

 inches high. Thus, in seven days, the hard, dry seeds 

 had become moistened, burst their shells, sent out later- 

 ally the little rootlets, and the little stalks had grown to 

 a height of five or six inches from the seed. This is not 

 all. On the sixteenth day of November, this wheat was 

 taller and thicker than a field sown on the sixteenth day 

 of September, with one and one-quarter bushels of seed on 

 soil fitted without sub-packing. 



In cut No. 8, we have two conditions of soil. On 



Cut No. 8. Germination of Wheat Influenced by 

 Firmness of Soil. 



the right we have the more common plan. Here we find 

 the grain of wheat in somewhat coarse and loose soil, 



