Legend. 



.Explanation of conventions used in the representation of the 

 plant and climatic ouantities. 



Dry weight. 



Leaf-product, 



Stem height. 



t^^-^r^t- :<^!**>.t*:<>«*<*'*M,JlcMrmm>»rM«MM>tiiMeD«ilUB.MM««*i«ini»*»»'ww 



.-jw »'jt»t'»r ^wii*»<rTw^^w .lai 



Temperature index values 

 .-. Evaporation index. 

 ~^ ™- Sunshine intensity. 



The dates shown are those of the first day of each culture 

 period! The numbers under the dates are culture nunibers corres- 

 ponding to the numbers' shown in the second lire of the tables. 

 The numbers in the vertical column at the left give ordinate 

 values. 



