INFLUENCE OF THE ALKALI SALTS UPON THE GROWTH OF RICE PLANTS. 277 
3. Result with KNT0 3 and Nad- 
Solutions used 
Length 
of leaf 
mm. 
Length 
of root 
mm. 
Number 
of roots 
To KNO3 30 cc. 
45 
25 
3 X 
J ö N. KNO3 25 cc. + T \j N. NaCl 5 cc. 
65 
•30 
5 X 
x 'ö N. KNOg 20 cc. + x 1 « N. NaCl 10 cc. 
62 
30 
5 X 
J 5 N. KNO3 1 5 cc. + J ö N. NaCl 1 5 cc. 
60 
25 
4 x 
^ N. KNO3 10 cc. + tV, N. NaCl 20 cc. 
63 
25 • 
5 X 
J g N. KNOg 5 cc. + N. NaCl 25 cc. 
75 
35 
7 X 
^0 N. NaCl 30 cc. 
46 
25 
1 
Distilled water 30 cc. 
78 
58 
1 
Culture period Feb. 20th— March 5th (1913). 
Initial length of seedlings 25 mm. 
4. Result with NaN0 3 and KCl. 
Solutions used 
Length 
of leaf 
mm. 
Length 
of root 
mm. 
Number 
of roots 
Jg N. NaN0 3 30 cc. 
43 
20 
I 
J ö N. NaNO a 25 cc. + * ö KCl 5 cc. 
75 
30 
7 X 
Jg N. NaNO s 20 cc. + KCl 10 cc. 
65 
35 
6 X 
-/g N. NaN0 3 1 5 cc. + ^ KCl 1 5 cc. 
62 
35 
6 X 
Jg N. NaNO s 10 cc. + r * g KCl 20 cc. 
64 
25 
4 X 
Jg N. NaN0 3 5 cc. + / 0 KCl 25 cc. 
70 
25 
7 X 
Jg N. KCl 30 cc. 
5o 
25 
7 X 
Distilled water 30 cc. 
78 
58 
7 
Culture period 
Initial length of seedlings 
•Feb. 20th — March 5th (1913). 
25 mm. 
