ANALYSES OF MAIZE. 



173 



TIME. 



July 5. 



OBSERVATIONS, PARTS AND PROPORTIONS. QUANTITIES. PERCENTAGE. 



Leaves 168-25 grs. 



Water 146-5 81-01 



Dry matter ------ 21-75 18-99 



Ash 2-1 1-248 



Percentage of ash calculated on dry matter - 6-566 



Ash saline, with a slight taste of caustic potash. 



Roots washed thoroughly with cold water, and 

 the adhering moisture separated by pressing 

 in paper. 

 . Roots of one plant - - - - - 77 • 



Water 64-69 84-013 



Dry matter 12-31 15-987 



Ash 1-22 1-584 



Percentage of ash calculated on dry matter - 9-908 



July 12. Average height of plants, 35 inches. Average 



increase of height of each plant during the 

 last week, 9 inches : over 1 inch per day. 

 Corn has been hoed twice ; the first time on 

 the 15th of June, the last on the 5th of July. 

 Stalks about li inches long, with 4 joints. 

 The old kernels attached to the roots com- 

 pletely absorbed, leaving nothing but the 

 epidermis. Longest roots extend from 5-8 

 inches downwards, and from 8-10 inches 

 laterally. Each plant has generally 12 

 leaves ; 7 of these have sheaths. Growth 

 moderately thrifty. 



Weight of one plant 681-9 grs. 



Increase in weight of each plant during the last 



week 432-7 



Average increase in weight of each plant per day, 61-814 

 being 2£ grs. per hour. 



Relation of the different parts of one plant to 

 each other : 



Stalk 40-4 



Sheaths 216-1 



Leaves 413-7 



Roots 11 '7 



Weight of one plant 



681-9 



5' 



926 



31 



■678 



60 



'679 



1 



•717 



100- 



