3.Z 



3.0 



2.6 

 2.2 



1.0 



0.8 



0.6 



0.2 



1st 



2>«1 



3>^ 



1st 



2r^ 



3tTl 



1st 



2«<) 



3>t1 



1st 



2^ 



3vxl 



50 100 aoo 4-00 



POUHDS OF MjTRO&EN Per AcRE PeR YE^R 

 It severe lo<l(^\n<^ 



Figure 2. 

 Broniegrass Yields Averaged for 1957-59 at Three Stages of Maturity. 



