108 



Quantitative Analysis of Plant Growth 



Table II. — " Badischer Friih" Maize grown at Poppelsdorf in 1876. 



Date of 

 harvest 



1876 



11th May 



24th „ 

 31st „ 



7th June 

 14th „ 

 21st „ 

 28th „ 



5th July 

 12th „ 

 19th „ 

 26th „ 



2nd Aug. 



9th „ 

 16th „ 

 23rd „ 

 30th „ 



Total dry- 

 weight of 

 Growth a single 

 period plant 



Days 



13 



7 

 7 



7 

 7 

 7 

 7 

 7 

 7 

 7 

 7 

 7 

 7 

 7 

 7 



Gm. 

 0-3264 



0-3169 

 0-2724 

 0-2914 

 0-3642 

 0-5674 

 2-0733 

 5-655 

 11-151 

 30-265 

 58-609 

 106-908 

 131169 

 207-373 

 204-436 

 202-168 



Increase in 



dry-weight 



since last 



harvest 



Gm. 



- 00095 



- 00445 

 + 00190 



0-0728 

 0-2032 

 1-5059 

 3-582 

 5-496 

 19114 

 28-344 

 48-299 

 24-261 

 76-204 

 -2-937 

 -2-268 



Weekly 

 percentage 

 increase in 

 dry-weight 

 since last 



harvest 



-2-91)* 



-1-57 



-14 



+ 7 



25 



56 



260 



164 



97 



170 



93 



83 



22-7 



58-2 



-1-42 



-112 



8-4 

 190 

 41-4 



92-0 

 350-8 

 987-0 

 1794-5 

 3272-6 

 4959-8 

 6196-7 

 5530-7 

 6666-7 

 6201-4 

 4231-4 



31 



65 

 113 

 162 

 170 

 172 

 159 

 108 



85 



58 



42 



32 



30-5 



21 



42 



61 

 16 

 57 

 102 

 42 

 45 

 71 

 49 

 93 

 76 

 94 

 77 

 10 



9-8 

 13 

 151 

 16-3 

 16-9 

 19 

 17-6 

 20 

 17-6 

 18-5 

 20-3 

 18-3 

 21-9 

 21-6 

 14-5 



S and? 

 flowers 



* The figure in brackets in column 5 gives the percentage increase in dry-weight for 13 days. 



* The figure in brackets in column 5 gives the percentage increase in dry-weight for 12 days. 



