INELUENCE OF THE ALKALI SALTS UPON THE GROWTH OF RICE PLANTS. 269 
6. Result with NaCl and CaCl. 
Solutions used 
Length 
of leaf 
Length 
of root 
Number 
of roots 
xg N. NaCl 30 cc. 
38 
25 
I 
xg N. NaCl 25 cc. + N. CaCl 2 5 cc. 
69 
60 
9 
xg N. NaCl 20 cc. + 13 N. CaCl 2 10 cc. 
55 
50 
7 
^3 N. NaCl 1 S cc. + N. CaCl 2 1 5 cc. 
47 
35 
5 
Xg N. NaCl 10 cc. + X3 N. CaCl 2 20 cc. 
47 
40 
5 
Xö N. NaCl 5 cc. + X3 N. CaCl 2 25 cc. 
47 
35 
3 
tü N.CaCl 2 30 cc. 
40 
35 
1 
Distilled water 30 cc. 
50 
80 
6 
Culture period Nov. 19th — Oct. 1st (1912). 
Initial length of seedlings Io mm. 
7. Result with KC1 and MgCL. 
Solutions used 
Length 
of leaf 
Length 
of root 
Number 
of roots 
J3 N. KC1 30 cc. 
40 
17 
3 
13 N. KC1 25 cc. + T g N. MgCl 2 5 cc. 
60 
l6 
4 
xg N. KC1 20 cc. + T g N. MgCl 2 10 cc. 
58 
15 
6 
* N. KC1 15 cc. + J ö N. MgCl 2 15 cc. 
55 
15 
7 
13 N. KC1 10 cc. + T g N. MgCl 2 20 cc. 
55 
15 
5 
xg N. KC1 5 cc. + X3 N. MgCl 2 25 cc. 
56 
21 
4 
13 N. M gCl 2 30 cc. 
43 
23 
3 
Distilled water 30 cc. 
63 
47 
11 
Culture period March 7th— March 24th (1913). 
Initial length of seedlings 25 mm. 
