Oct. 4, X915 
Effect of Alkali Salts in Soils on Crops 
5 
Tab LB I. —Percentage of germination of wheat and sugar beets in soil containing sodium 
chlorid , sodium carbonate , sodium sulphate , and magnesium sulphate in different con¬ 
centrations. Salts added in solution 
Percentage of germination. 
Concentration 
of salts (p. p. m. 
of dry soil). 
Wheat. 
Sugar beets. 
Sodium 
chlorid. 
Sodium 
carbonate. 
Sodium 
sulphate. 
Magne¬ 
sium 
sulphate. 
Sodium 
chlorid. 
Sodium 
carbonate. 
Sodium 
sulphate. 
Magne¬ 
sium 
sulphate. 
None.. 
90 
90 
90 
90 
123 
123 
123 
123 
100. 
60 
IOO 
80 
80 
90 
50 
IOO 
80 
5°°. 
90 
70 
40 
90 
ISO 
40 
70 
IOO 
1,000. 
60 
70 
80 
80 
170 
90 
no 
120 
2,000. 
40 
70 
60 
90 
130 
120 
120 
l6o 
3,000. 
0 
50 
50 
60 
20 
IOO 
200 
no 
4,000. 
0 
5° 
70 
70 
0 
130 
210 
180 
. 
0 
80 
60 
50 
0 
*5<> 
25O 
70 
6,000. 
0 
70 
60 
90 
0 
90 
I9O 
120 
7,000. 
0 
30 
80 
60 
0 
20 
210 
210 
8,000. 
0 
40 
40 
80 
O 
O 
* 5 ° 
240 
9,000. 
0 
30 
70 
60 
O 
0 
IOO 
180 
10,000. 
0 
0 
40 
70 
0 
0 
no 
210 
TablB II .—Average height (in centimeters) of wheat and sugar-beet plants raised in soil 
containing alkali salts in various concentrations 
Average height of plants. 
Concentration 
of salts (p. p. m. 
of dry soil). 
Wheat. 
Sugar beets. 
Sodium 
chlorid. 
Sodium Sodium 
carbonate, sulphate. 
Magne¬ 
sium 
sulphate. 
Sodium 
chlorid. 
Sodium Sodium 
carbonate, sulphate. 
Magne¬ 
sium 
sulphate. 
None. 
100, 
500 
1,000 
2,000, 
24 
24 
24 
24 
24 
27 
24 
24 
26 
17 
23 
26 
8 
23 
27 
24 7 7 
25 7 7 
21 7 7 
27 7 7 
25 3 7 
7 
7 
7 
7 
7 
7 
7 
7 
7 
7 
3,000 
4,000. 
5,000, 
6,000, 
7,000, 
22 
23 
27 
22 
19 
25 
22 
21 
25 
20 
19 
26 
10 
12 
22 
8,000 
9,000 
10,000, 
4 
3 
10 
5 
7 
22 
23 
26 
7 
6 
6 
6 
5 
6 
4 
4 
5 
5 
6 
6 
7 
5 
5 
5 
