EXTERMINATING THE TEXAS-FEVER TICK. UZ 
use of to free the cattle of ticks. In the spring field No. 3B, located 
near the farmyard, is sown in corn for a soiling crop. The area de- 
voted to corn should be sufficient to supply feed for the herd for five 
or six weeks. Field No. 3A, after the oats are harvested, should be 
FIELD NO.2. FIELD NO.3. FIELD NO.4- 
CORN. COTTON FOLLOWED OATS, 
COWPEAS. BY CRIMSON CLOVER, VETCH, COWPEAS, 
BUR CLOVER OR RYE. BERMUDA, 
BUR CLOVER 
MOVE THE HERD FROM FEBR. 15, MOVE THE HERD BECOMES THE NEW 
THIS PEED TO FIELD TO FIELD NO. 4. PASTURE. 
0.3. 
FIELD NO.1. 
PASTURE. 
OCT. 15. MOVE HERD TO FIELD NO.2. 
PLANT IN OATS ANO FOLLOW WITH COWPEAS. 
Fic. 10.—Plan for freeing cattle and pastures from ticks by rotation, requiring four months, with new 
pasture. 
sown in sorghum and cowpeas or millet and cowpeas, and should 
be large enough to furnish feed for the herd until November 1. These 
fields should not have had cattle on them for at least ten months. 
’ Previous to June 15 three lots, each large enough to accommodate 
the herd, are fenced off in field No. 3B. These lots should not be 
378 
