ORGANIC CONSTITUENTS. 



23 



Table 7. — Dry weight and fiber of seeds, axes, and total plants when grown for 15 days in 

 solutions containing a single nutrient. 



Parts of plant and age. 



Control solution. 



Weight of 

 100. 



Fiber. 



Grams. 



Per 



cent. 



Potash solution. 



Weight of 

 100. 



Fiber. 



Grams. 



Per 

 cent. 



Phosphoric acid solution. 



Weight of 

 100. 



Fiber. 



Grams. 



Per 

 cent. 



Original seed 



Seeds: 



5 days. 



7 days. 



9 days. 

 12 days. 

 15 days. 

 Axes: 



5 days. 



7 days. 



9 days . 



12 days. 



15 days. 



Total plants 



5 days. 



7 days. 



9 days. 

 12 days. 

 15 days . 



Grams. 

 3.50 



1.876 



1.380 



.929 



.616 



.360 



1.126 

 1.343 

 1. .540 

 1. 564 

 1.480 



3.002 

 2.723 

 2.469 

 2.180 

 1.840 



0.0785 



,0885 

 .0646 

 ,0745 

 ,0740 

 ,0732 



,1665 

 ,2380 

 ,3105 

 ,3460 

 ,4050 



,2550 

 ,3026 

 ,3850 

 ,4200 



,4782 



4.7 



4.7 



8.0 



12.0 



20.3 



14.7 



17.7 

 20.2 

 22.2 

 27.4 



8.5 

 11.1 

 15.6 

 19.3 

 26.0 



Grams. 

 3.50 



1.966 



1.481 



1.040 



.698 



.384 



1.100 

 1.424 

 1.514 

 1.729 

 1.773 



3.066 

 2.905 



2.554 

 2.427 

 2.157 



0.0785 



,0825 

 ,0700 

 ,0730 

 ,0835 

 ,0755 



,1525 

 ,2622 

 ,2900 

 ,3856 

 ,4740 



,2350 

 ,3322 

 ,3630 

 ,4691 

 , 5495 



2.2 



4.2 

 4.7 

 7.0 

 12.0 

 19.7 



13.8 



18.5 

 19.2 

 22.3 



7.7 

 11.4 

 14.2 

 19.3 

 25.5 



Grams. 

 3.50 



1.738 



1.291 



.796 



.488 



.359 



1.195 



1.552 

 1.948 

 1.762 

 1.873 



2. 933 

 2.843 

 2.744 

 2.250 

 2.232 



0. 0785 



,0764 

 .0740 

 , 0750 

 ,0755 

 ,0740 



,1776 

 ,2995 

 ,4100 

 ,4310 

 ,5072 



,2540 

 ,3735 

 , 4850 

 ,5065 

 ,5812 



2.2 



4.4 

 5.7 

 9.4 

 15.5 

 20.7 



11.4 

 19.4 

 21.0 

 24.5 

 27.1 



8.7 

 13.1 

 17.7 

 22.5 

 26.0 



Parts of plant and 



Control solution. 



Nitrate solution. 



Weight of 

 100. 



Fiber. 



Grams. 



Per 



cent. 



Weight of 

 100. 



Fiber. 



Grams. 



Per 



cent. 



Complete solution. 



Weight of 

 100. 



Fiber. 



Grams. 



Per 

 cent. 



Original seed 



Seeds: 



5 days.. 



7 days.. 



9 days.. 

 12 days.. 

 15 days., 

 Axes: 



5 days., 



7 days.. 



9 days.. 



12 days.. 



15 days . , 



Total plants: 



5 days . 



7 days. 



9 days. 

 12 days. 

 15 days . 



Grams. 

 3.50 



2.121 

 1.568 

 1.210 

 .714 



1.010 

 1.232 

 1.481 

 1.330 

 1.481 



3.131 



2.800 

 2.691 

 2.044 

 2.077 



0.0785 



,0810 

 ,0880 

 ,0607 

 ,0758 



,1565 

 ,2303 

 ,3192 

 ,3027 

 ,3730 



.2460 

 .3113 

 ,4072 

 ,3634 



,4488 



2.2 



4.2 

 5.5 

 7.3 



8.6 

 12.7 



15.5 



18.7 

 21.4 

 22.8 

 25.2 



7.9 

 11.1 

 15.1 

 17.8 

 21.6 



Gram.s. 

 3.50 



2.070 



1.409 



.934 



.561 



.463 



.957 

 1.230 

 1.552 

 1.666 

 1.713 



3.027 

 2.639 

 2.486 

 2.227 

 2.176 



0.0785 



.0874 



.0678 



.1395 

 .2072 

 .3146 

 .3819 

 .5030 



.2269 

 .2952 

 .4028 

 .4479 

 .5708 



2.2 



4.2 



6.2 



9.4 



11.8 



11.4 



14.6 

 16.8 

 20.3 

 22.9 

 29.4 



7.5 

 11.2 



16.2 

 20.0 

 26.2 



Grams. 

 3.50 



2.074 



1.422 



1.012 



.490 



1.139 

 1.415 

 1.635 

 1.900 

 1.909 



3.213 



2.837 

 2.647 

 2. 390 

 2.407 



0.0785 



.0874 



.0760 

 .0659 



,1830 

 ,2635 

 ,3670 

 ,4660 

 ,4110 



,2704 

 ,3471 

 ,4430 

 ,5319 

 4796 



2.2 



4.2 

 5.9 

 7.6 

 13.4 

 13.8 



16.1 

 18.6 

 22.4 

 24.5 

 21.6 



8.4 

 12.2 

 16.7 

 22.3 

 19.9 



