Table 5. Effect of ringing on the nitrogen and ash contents of leaves and stems of Ligustrum. All stems ringed August 25 and harvested as indicated 
July, 1923I 
CURTIS — EFFECT OF RINGING A STEM 
373 
-a 
Ringed 
*Ave. 
Gain % 
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(6) 
1.182 
1.9869 
13-57 
(6) 
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These are averages of the gains for each stem and not the gain of the averages. 
