=) 

 o 



X 



o 

 < 



O 



I— 

 o 



ZD 

 O 



o 



oe: 



Qu 

 UJ 



o 

 < 



CO 



• Nonlimestone (NL) 

 ® Limestone (L) 





Z 







HEIG 

 (YPAI 



ERCE 



iCRE 





U UJ 



a 







z oc 



VER, 



ffi 





< ^ 



_i 



p> 





o m 



O 



O 



o 



0) _l 



O 



z 



(A 



f YPAPRI 

 Herbage production = | ^ 35 J APR 



4457 



18 



28 



NL 



* 3920 



43 



■| 



NL 



3350 



29 



1 



NL 



, 2921 



19 



1 



NL 



' 2867 



9 



8 



NL 



2445 



17 



12 



NL 



-^2100 



31,0 



8,8 



L,NL 



^1916 



23 



1 



NL 



,-1868 



10,23 



3,3 



NL.NL 



."1835 



7 



1 





N744 



16,9 



1,8 





^1615 



5,19 



1.1 



L,NL 



1537 



2 



20 



NL 



•;;;-i347 



13 



3 





1278 



22 



1 



L 



24 



ANNUAL PRECIPITATION, IN., (APR) 

 Figure 2. —Family of annual precipitation curves relating to individual data points. 



cc: n 



<3) 



c_> 

 < 



^ fO CO 

 I I 



N03, LB/ACRE 



Nonlimestone 



Limestone 



COVER (PERCENT) 



Figure 3. —Scaling height for the annual precipitation effect in 

 relation to cover percent, nitrate-nitrogen, and limestone 

 soils (presence or absence). 



3 



