INFLUENCE OF THE ALKALI SALTS UPON THE GROWH OFJRICE PLANTS. 257 
(The number denotes the sum of weight in two pots). 
Salts 
used 
Amount of salt added to 2000 grams of soil 
I g. mol. wt. 
Jg. mol. wt. 
mol. wt. 
Jgg. mol. wt. 
ToöS- mo1 - wt - 
2ööS- mo1 ' Wt ‘ 
ToSqS - moL wt - 
Control. 
g. 
g. 
g. 
g. 
g- 
g- 
g. 
Total yield 
— 
375 
4.85 
5.45 
4.65 
4-45 
4.40 
4.20 
MgSO* 
Seed 
— 
— 
1.45 
2.00 
1-75 
1-55 
1-55 
1-55 
Straw 
— 
2.90 
2.55 
2.50 
2.25 
2.20 
2.05 
2.00 
Root 
— 
0.85 
0.85 
0.95 
0.70 
0.70 
0.80 
0.65 
Total yield 
— 
— 
4.50 
4.90 
500 
4.70 
4.40 
4.20 
Seed 
— 
■ 
060 
1.35 
1.70 
1.70 
1-55 
1.55 
Straw 
— 
— 
330 
2.75 
2.60 
2.45 
2.15 
2.00 
Root 
— 
— 
0.60 
0.80 
0.70 
0.70 
0.70 
O.65 
Total yield 
— 
— 
— 
390 
4.50 
4.95 
4.40 
4.20 
CaCl 2 
Seed 
— 
— 
— 
0.20 
0.95 
1.75 
1.55 
1.55 
Straw 
— 
— 
— 
3.00 
2.75 
2.50 
2.15 
2.00 
Root 
— 
— 
— 
O.80 
0.80 
0.70 
0.70 
O.65 
Total yield 
— 
— 
4.10 
4.6o 
4.70 
5.00 
4.70 
4.20 
Na 2 S04 
Seed 

— 
0.25 
105 
1.60 
1.80 
1.80 
1.55 
Straw 
— 
— 
2.90 
2.75 
2.40 
2.40 
2.10 
2.00 
Root 
— 
— 
0.80 
O.80 
0.75 
0.80 
O.80 
O.65 
Total yield 
— 
— 
2.80 
4.50 
490 
4.40 
4.30 
4.20 
NaCl 
Seed 
— 
— 
0.40 
*■35 
1.60 
1.55 
1.55 
1.55 
Straw 
— 
— 
2.00 
2.50 
2.65 
2.10 
2.00 
2.00 
Root 
— 
— 
0.40 
0.65 
0.65 
0.75 
0.75 
O.65 
Total yield 
— 
— 

2.50 
4.30 
4.90 
4.90 
4.20 
Na2C03 
Seed 

— 
— 
0.65 
1-55 
1.60 
i - 6 5 
1.55 
Straw 
— 
— 
— 
M5 
2.10 
2.65 
2.60 
2.00 
Root 
— 
— 
— 
0.40 
O.65 
0.65 
0.65 
0.65 
Total yield 
— 
3.90 
4-55 
4.55 
4.60 
4.35 
4.20 
NaHCO., 
Seed 
— 

I. IO 
1 -55 
1.55 
1.60 
1.55 
* 55 
Straw 
— 
— 
2.20 
2.25 
2.2 5 
2.30 
2.10 
2.00 
Root 
— 
— 
O.60 
0.75 
0-75 
0.70 
0.70 
0.65 
