WHEAT PRODUCTION IN NEW ZEALAND 
44 
Diagram of Relation Between Yield x" Useful” Rainfall (May % Nov.) 
* 
for Canterbury (1870 ~ 1917 
40; Jee co ot 
Yiela 
Raintal] aamsnw-- 
id i 
r ‘1 
f 4 
f ma 
7 a 
S 2 + Pam 
& oO Tk AY aA Stet oo 
& sa iN a 3 
‘ < 
2 | (ea i HH nS 
3 n ee i H ji 1 H 
S Ty ; : subaes & 
a imme i tt S 
& H y \ im $ & 
x PrP Ml v 
3 oot : Me § 
20 d to fe 
iC 
4 1 
= eSorEzay : 
& R Eig = iu 7 
10 i n i Q 
*For the years 1898 to 1903 statistics of rainfall were not available. 
