INELUENCE OF THE ALKALI SALTS UPON THE GROWTH OF RICE PLANTS. 269 
6. Result with NaCl and CaCl. 
Solutions used 
Length 
of leaf 
mm. 
Length 
of root 
mm. 
Number 
of roots 
T \ N. NaCl 30 cc. 
38 
25 
I 
J ö N. NaCl 25 cc. + Jg N. CaCl 2 
5 cc. 
69 
60 
9 
Jo N. NaCl 20 cc. + J ö N. CaCl 2 
10 cc. 
55 
50 
7 
Jo N. NaCl 1 5 cc. + J ö N. CaCl 2 
15 cc. 
47 
35 
5 
< Jo N. NaCl 10 cc. + Jo N. CaCl 2 
20 cc. 
47 
40 
5 
Jo N. NaCl s cc. + J ö N. CaCl 2 
25 cc. 
47 
35 
3 
Jo N.CaCl 2 30 cc. 
40 
35 
i 
Distilled water 30 cc. 
5o 
80 
6 
Culture period Nov. 19th — Oct. ist (1912). 
Initial length of seedlings 10 mm. 
7. Result with KCl and MgCl 2 . 
Solutions used 
Length 
of leaf 
mm. 
Length 
of root 
mm. 
Number 
of roots 
Jo N. KCl 30 cc. 
40 
17 
3 
iü KCl 25 cc. + JgN. MgCl 2 
5 cc. 
60 
16 
4 
Jo N. KCl 20 cc. + J Q N. MgCl 2 
10 cc. 
58 
15 
6 
Jo N. KCl 15 cc. 4- Jo N - M S C1 2 
15 cc. 
55 
15 
7 
Jo N. KCl 10 cc. + Jo N. MgCl 2 
20 cc. 
55 
15 
5 
Jo N. KCl 5 cc. + Jo N. MgCl 2 
25 cc. 
56 
21 
4 
Jo N. MgCl 2 30 cc. 
43 
23 
3 
Distilled water 30 cc. 
63 
47 
1 1 
Culture period 
Initial length of seedlings 
March 7th— March 24th (1913). 
25 mm. 
