LABORATORY MANUAL IN FIELD CROPS 



PRACTICUM NO. 2 



Object. To Study the Effect of the Depth of Planting on the 

 Germination of Seeds. 



Materials. Corn, wheat, alfalfa seeds, a box 12" deep with 

 one side replaced by glass, sand. 



Method. Plant the seeds in the sand close to the glass in 

 successive depths of 6", 4", 3", 2", 1", \" . Set in a warm 

 place and keep wet. 



STUDIES 



1. Which sprouts appear above the surface first? 



2. Which are in the best condition when they appear, as 

 shown by the color of their leaves, straightness, etc. ? 



3. What has caused the difference in those which have been 

 planted deeper ? 



4. What influence has the depth of planting upon the root 

 development ? 



REFERENCES 



Wilson and Warburton's Field Crops, p. 25. 



Hunt's Cereals in America. 



Livingston's Field Crop Production, pp. 3O-31. 



