INFLUENCE OF THE ALKALI SALTS UPON THE GROWTH OF RICE PLANTS. 
279 
7. Result with NaCl and MgSO t . 
Solutions used 
of leaf 
Length 
of root 
Number 
of roots 
N. NaCl 30 cc. 
38 
25 
i 
~h N - NaCl 25 cc. + -u N. MgS 0 4 5 cc. 
55 
37 
6* 
N. NaCl 20 cc. + Ag N. MgS 0 4 10 cc. 
50 
33 
4 X 
N. NaCl 1 5 cc. + -Tg N. MgS 0 4 15 cc. 
45 
30 
3 X 
jU N. NaCl 10 cc. + j N. MgS 0 4 20 cc. 
48 
3 i 
1 
N. NaCl 5 cc. + N. MgS 0 4 25 cc. 
48 
32 
1 
10 N - MgS0 4 30 cc. 
30 
35 
1 
Distilled water 30 cc. 
50 
80 
6 
Culture period Nov. 19th— Oct. ist (1912). 
Initial length of seedlings • • • 10 mm. 
8. Result with Na 2 S0± and MgCl 2 . 
Solutions used 
Length 
of leaf 
Length 
of root 
Number 
of roots 
Jg N. Na 2 S 0 4 30 cc. 
45 
35 
1 
jL N. Na 2 S 0 4 25 cc. -f T x g N. MgCl 2 5 cc. 
80 
40 
6* 
Jg N. Na 2 S 0 4 20 cc. + T ig N. MgCl 2 10 cc. 
80 
38 
6* 
,ig N. Na 2 S 0 4 15 cc. + N. MgCl 2 15 cc. 
65 
45 
4 X 
Jg N. Na 2 S 0 4 10 cc. + jL N. MgCl 2 20 cc. 
50 
30 
1 
Ag N. Na 2 S 0 4 5 cc. + Jg N. MgCl 2 25 cc. 
60 
25 
1 
To N - MgCl 2 30 cc. 
55 
40 
1 
Distilled water 30 cc. 
80 
50 
7 
Culture period Nov. 19th— Oct. 1st (1912). 
Initial length of seedlings 20 mm. 
