264 GRASSES AND HOW TO GROW THEM. 



lowing methods are submitted among otliers that might 

 be given : 1 . Sow forage crops and graze them off as 

 described in method 6 given for eradicating quack grass 

 (see p. 247). Proceed thus for a term suffifcientlj long 

 to effect the end sought. 2. Sow cow peas or some crop 

 that requires cultivation from year to year and in alter- 

 nation with grain crops for a period sufficiently long. 

 'No crab grass seeds should be allowed to mature in the 

 cultivated crop. 



