ANALYSES OF MAIZE. 



181 



TIME. 



OBSERVATIONS, PARTS AND PROPORTIONS. QUANTITIES. PERCENTAGE. 



August 23. Average height of corn, 76 inches. Increase in 

 height during the last week, 4 inches. In full 

 flower. Silks show themselves. Stalks 59 

 inches long. Increase in length during the 

 last week, 13 inches : or almost 2 inches per 

 day. Tassel 17 inches long. The plant taken 

 for proportions has 1 ear silked out : two 

 others are just beginning to form. 

 About the average weight of each plant - - 8170-7 grs. 

 Increase in weight during the last week - - 1389*85 

 Average increase in weight per day - - 198 - 55 



Average increase in weight per hour - - 8*27 



Relation of the different parts of the plant to 

 each other : 



Tassel 173-2 2-12 



Top stalk 1007- 12-335 



Butt stalk* 14S9-5 18-239 



Sheaths 1273-5 15-596 



Leaves 1540-2 18-812 



Ear-stalks 338-5 4-143 



Ears (each kernel is enveloped yet in its 



husks) 312-2 3-821 



Silks - - 130-4 1-596 



Sheaths of husks 933-2 11-421 



Leaves of husks - - - - - 379 ■ 4 • 638 



Roots 594- 7-279 



Weight of 1 plant 8170-7 100- 



PROPORTIONS. 



1. Tassels 173-2 



Water 119-95 



Dry matter 53-25 



Ash 3-36 



Percentage of ash calculated on the dry matter, 



2. Top stalk 1007- 



Water 900-25 



Dry matter 106-75 



Ash 7.31 



Percentage of ash calculated on the dry matter, 



3. Butt stalk 1489-5 



Water ---.--- 1320- 



Dry matter ...... 169-5 



Ash 15-43 



Percentage of ash calculated on the dry matter, 



*The stalk is divided at the insertion of the upper ear. 



69- 



255 



30- 



745 



1- 



939 



6' 



309 



89 



•399 



10 



■601 





.726 



6 



•847 



S3 



•62 



11 



•38 



1 



•036 



9 



•103 



