CEREAL CULTIVATION WESTERN AREA 383 



At the Cereal Field Station, Modesto, California, 

 2 years' experiments were conducted, to determine the 



c d e f 



Fio. 120. Difference in growth of individual plants 

 , of wheat in different methods of cropping: a, con- 

 tinuous cropping ; b, wheat after fallow ; c, wheat 

 after horse beans ; d, wheat after Canada peas ; 

 e, wheat after rye and vetch ; /, wheat after rye ; 

 in the last four the preceding crops turned under. 



value of green-manuring, compared with other methods 

 of cropping for wheat, with results as follows : - 



