ANALYSES OF MAIZE. 



179 



TIME. OBSERVATIONS, PARTS AND PROPORTIONS. 



August 16. Average height of corn, 72 inches. Increase in 



height during the last week, 7 inches, or 1 

 inch per day. Nearly the whole tassel is 

 above the upper sheath, in the plant taken 

 for proportions ; length, 19 inches. Length 

 of stalk, 46 inches. Increase in length during 

 the last week, 24 inches, or 3i inches per day. 

 Two ears begin to form. Ears 3 inches long. 

 Silks from 1-3 inches long. Each ear has 9 

 sheaths, 5 of which have leaf-blades. Length 

 of husks, from 10 - 17 inches. Each kernel 

 is entirely enveloped in husks of its own. 

 Ear-stalks 1£ inches long. 

 About the average weight of each plant - 

 Increase in weight during the last week - 

 Average increase in weight per day 

 Average increase in weight per hour 



Relation of the different parts of the plant to 

 each other: 



Stalk 



Sheaths .... 

 Leaves ..... 

 Tassels ..... 

 Sheaths of husks of 2 ears 

 Leaves of husks of 2 ears 

 Two ear-stalks ... 

 Two ears .... 

 Roots 



PERGENTAGE. 



6780-85 grs. 

 2953-35 

 436-19 

 18-16 



2738- 



38-343 



1450- 



20-306 



1640- 



22-967 



330-2 



4-624 



350-9 



4-914 



140-25 



1-964 



64- 



•897 



67-5 



•943 



360- 



5-043 



Exact weight of the plant taken for proportions, 7140-85 



100- 



PROPORTIONS. 



1. Stalk 



Water 



Dry matter .....'. 



Ash ------ - 



Percentage of ash calculated on the dry matter, 



2. Sheaths ....... 



Water - - - - 



Dry matter ------ 



Ash 



Percentage of ash calculated on the dry matter, 



2738- 





2496-5 



91-179 



241-5 



8-821 



25-87 



•945 





10-712 



1450- 





1289-53 



88-933 



160-47 



11-067 



18-58 



1-281 





11-578 



