ANALYSES OF MAIZE. 



171 



nitB. OBSERVATIONS, PARTS AND PROPORTIONS. 



June 21. Average height of plants lOi inches. Growth 



during the last 6 days, 5| 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 



PROPOmTlON*. 



Weight of four plants cut close to roots - 



Water 



Dry matter ...--- 

 Ash 



Percentage of ash calculated on the dry matter. 



QtJ.INTITlES. 



PERCENTAGE. 



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



during the last week, 7^ 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. 



Relation 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 



Divided the part above the soil into leaves and sheaths. 



Relation of leaves and sheaths : 



Leaves 163-3 



Sheaths . - .... 43-4 



206-7 



PROPORTIOn*. 



. Leaves 163-3 



Water 141-44 



Dry matter 21-86 



Ash 2-34 



Percentage of ash calculated on dry matter - 

 Ash tastes decidedly of caustic potash. 



81-877 

 18-123 



79-003 

 20-997 



100- 



86-613 



13-387 



1-433 



10-704 



i 



