ANALYSES OF MAIZE. 



171 



TIME. OBSERVATIONS, PARTS AND PROPORTIONS. 



June 21. Average height of plants 10i inches. Growth 



during the last 6 days, 5i inches, which is a 

 little less than 1 inch per day. 



Average weight of each plant ... 



Average increase of weight of each plant during 

 the last 6 days ------ 



PROPORTIONS. 



Weight of four plants cut close to roots - 



Water 



Dry matter ------ 



Ash 



Percentage of ash calculated on the dry matter, 



QUANTITIES. PERCENTAGE. 



22-1 grs. 



11-2075 





88-4 





78-86 



89-208 



9-54 



10-792 



1-83 



2-07 





19-182 



June 28. Average height, 18 inches. Increase in height 



during the last week, 1\ inches. Before this, 

 the plants have been made up entirely of 

 leaves. The sheaths now begin to form on 

 the longest leaves. 

 Average weight of each plant ... 



Average increase in weight during the last week, 

 being about 9 grs. per day. 



84 • 15 grs. 

 62-05 



Took three plants : divided each plant into the 



part above the soil, and the part in it. 

 Eelation of the part above the soil, to the part in it : 



Part above the soil - - - - 206-7 

 Part in the soil 45-75 



Whole weight of the three plants 



252-45 



81-877 

 18-123 



Divided the part above the soil into leaves and sheaths. 



Relation of leaves and sheaths : 



Leaves 163-3 



Sheaths - - .... 43-4 



PROPORTIONS. 



1. Leaves 



Water 



Dry matter - - - - - 

 Ash 



Percentage of ash calculated on dry matter 

 Ash tastes decidedly of eaustic potash. 



206-7 



79-003 

 20-997 



100- 



163-3 





141-44 



86-613 



21-86 



13-387 



2-34 



1-433 





10-704 



