20 ELECTRICITY IN AGRICULTURE 
the wheat was sown. The former had little, the latter no 
success at all. The columns with superscription C,, Cy, Cin 
signify control fields, those with E, and E,, experimental 
fields’ As shown by Fig. 3, every sort of plant had three 
experimental and three control fields.* Each field was 
5 square metres (16°5 feet), and the different control and 
experimental fields were separated by a space 5 metres broad 
sown with oats. These fields were reaped green. 
Barley, 
C E C 
Oats. 
C E C 
Fig. 4. 
Among the plants which were under experiment during 
the first year results could not be expected from currants, 
gooseberries, strawberries and clover, or from wheat 
and rye, which were sown on August 2Ist. For the most 
* Except currants, clover and beans, where some fields were missing. 
