6 LABORATORY MANUAL OF AGRICULTURE 



Equipment. 1. A hundred-foot tape line. 



2. Spring balance. 



3. Half bushel basket. 



Directions. Go to a neighboring field or patch of corn. 

 Select an area representing the average of the field. Meas- 

 ure off a row one hundreth of an acre in area. (A row 125 

 feet long and 85 feet wide is one hundreth part of an acre.) 

 Determine the number of stalks that should be in the row 

 if the stand were perfect. Count the number of stalks 

 actually in the row. Count the number of stalks producing 

 ears. Husk and weigh the corn in the row. Count the total 

 number of ears. Determine the average weight of the ears. 

 Record all results in the accompanying outline form. Make 

 the calculations necessary to fill in the form. 



