348 



STATE BOARD OF AGRICULTURE. 



\ 



0/ f/?e /08 

 poc/ya's of n/YrotfC/? 

 /n //7e 0/?/-/re crop 

 C/ops a/7cf roo/s) ~ 

 Tjd />o/y/7a'i co/ves 



fro ^77 /^e <7/>- £7/7c/ < 

 d 6> pe>o/7£/s Co/ryes' 

 frc/?7 /^C SO// O/ 

 average /er/z/z/y. 



T/?ere are 72 

 poorc/s <?/" 



7//ro^e/? /r/^fons 

 o/c/oycr fopii 



T/7ere ore /^OO 

 pou/7a'i o/ yeffe/a6/e 

 /r>a/fer o'/za' J 6 

 ''' poiz/Pi^ o/ /7//ro^e/7 

 //pe /-po/s o/ //;e 

 p/a/p/s proc/</c/rg 

 /o/;5 o/ /pay. 



Figure 4. — The supply of nitrogen in the soil is not increased by growing clover if all the hay 



Is removed. 



