IO 
Journal of Agricultural Research 
Vol. V, No. i 
described. To this sand salts were added in solution with the quantity 
of water necessary to bring the sand to the desired moisture content. 
Twenty-five kernels of Turkey Red wheat were planted in each pan, 
which was then covered with window glass to retain the moisture. Any 
loss in moisture was made up from time to time. The percentage of 
germination at the end of three weeks is given in Table VII. 
Table VII .—Percentage of germination at the end of three weeks of the seeds of Turkey 
Red wheat in sand with different quantities of moisture and alkali salts. Salts added 
in solution 
Salt and concentration (p. p. m, of 
Percentage of water in sand. 
dry soil). 
12 
is 
18 
21 
24 
Sodium chlorid: 
None. 
75 
80 
84 
84 
78 
800. 
92 
80 
72 
88 
80 
1,800. 
48 
80 
88 
76 
48 
2,400... 
28 
, 60 
88 
80 
60 
2,900. 
4 
24 
68 
64 
44 
3,600. 
0 
0 
84 
12 
16 
4,000. 
0 
0 
36 
0 
8 
4 » 5 °°. 
0 
0 
6 
0 
0 
5 , 7 °°. 
0 
0 
4 
O 
0 
6,000.... 
0 
0 
0 
O 
0 
Sodium carbonate: 
None. 
75 
80 
84 
84 
78 
1,200. 
72 
68 
72 
84 
76 
1,600. 
44 
56 
56 
60 
64 
2,000... 
28 
36 
32 
44 
56 
3,700. 
8 
4 
4 
24 
24 
3,300. 
0 
0 
0 
4 
4 
4,000. 
0 
0 
0 
0 
0 
4,700 . 
0 
0 
0 
0 
0 
Sodium sulphate: 
None. 
75 
80 
84 
84 
78 
2,000. 
88 
88 
92 
96 
88 
4,000. 
36 
72 
80 
92 
68 
6,000.\ 
12 
60 
72 
72 
72 
8,000. 
8 
4 
20 
44 
64 
10,000. 
0 
0 
28 
36 
36 
12,000. 
0 
0 
0 
12 
20 
14,000. 
0 
0 
0 
0 
4 
16,000. 
0 
0 
0 
0 
4 
18,000. 
0 
0 
0 
0 
0 
Magnesium sulphate : 
None. 
75 
80 
84 
84 
78 
12,000. 
20 
24 
40 
28 
56 
14,000.■. 
16 
12 
48 
48 
60 
16,000. 
12 
16 
48 
52 
48 
18,000. 
4 
8 
20 
44 
40 
20,000.... 
0 
4 
8 
16 
48 
22,000. 
0 
0 
0 
12 
12 
24,000. 
0 
0 
0 
12 
12 
26,000. 
0 
0 
0 
0 
4 
28,000. 
0 
0 
0 
0 
0 
