296 



STATE BOARD OF AGRICULTURE. 



Fig. VII. Dodder growing on alfalfa. 



they make a larger growth llie first season, which is apt to rob the 

 alfalfa of most of its plant food, water and sunlight and may cause 

 it to die. Usually weeds of this type can be held in cheek by mow ing 

 two or three times during the season. If the alfalfa survives the first 

 is advisable to j)low the field and ]>lant to corn or other cultivated 

 crops, and seed alfalfa in another field. 



The larger growing annual weeds are not so serious, e.xceitt that 

 season, it usually makes such rajud growth the second season, that it 

 holds these annual weeds in check. 



