GROWTH RESPONSE OF SUGAR BEET 347 



Expt. I. 1958 Expt. 2. 1959 Expt. 3 I960 



J a Watered 

 C. Started 



. TT 



I B. Watered 

 C Started 



1 L 1 1 1 ' ■ ' ■ I I I I I 1 1 



July 1 Aug I Sept I July I Aug I Sept Oct I Nov I C -c 



Fig. 4. Leaf area index. Symbols as Fig. i. 



Expt. I 1958 



Expt. 2 1959 



Expl. 3 I960 



I July I Aug I Sept | July | Aug Jsepl Oct | Nov | Dec | 



Fig. 5. Relative leaf growth rate. Symbols as Fig. i. 



