56 
T 
Plot 
No. 
I 
2 
3 
4 
5 
6 
7 
8 
9 
10 
11 
12 
13 
14 
*5 
16 
17 
18 
x 9 
20 
21 
22 
23 
24 
25 
26 
27 
28 
29 
Journal of Agricultural Research voi. xxiii, no. 2 
EXPERIMENTAL WORK 
PLAN OF THE EXPERIMENT 
plan of the experiment is given in the following table: 
Stage 1 (crop about 8 inches 
high). 
Stage 2 (time of heading). 
Sodium nitrate (2 
pounds). 
Sodium nitrate (2 
pounds). 
Potassium chlorid (1.8 
pounds). 
Potassium chlorid (1.8 
pounds). 
Calcium nitrate (2 
pounds). 
Calcium nitrate (2 
pounds). 
Ammonium sulphate 
(1. 5 pounds). 
Ammonium sulphate 
(1.5 pounds). 
Sodium hydroxid (0.9 
pound). 
Sodium hydroxid (0.9 
pound). 
Potassium nitrate (2.4 
pounds). 
Potassium nitrate (2.4 
pounds). 
Sulphuric acid (298 cc.). 
Sulphuric acid (298 cc.). . 
Ammonium chlorid (1.3 
pounds). 
Ammonium chlorid (1.3 
pounds). 
Potassium hydroxid (1.3 
pounds). 
Potassium hydroxid (1.3 
pounds). 
Ammonium nitrate (0.94 
pound). 
Ammonium nitrate (0.94 
pound). 
Stage 3 (milk stage). 
Sodium nitrate (2 
pounds). 
Potassium chlorid (1.8 
pounds). 
Calcium nitrate (2 
pounds). 
Ammonium sulphate 
(1.5 pounds). 
Sodium hydroxid (0.9 
pound). 
Potassium nitrate (2.4 
pounds). 
Sulphuric acid (298 cc.). 
Ammonium chlorid (1.3 
pounds). 
Potassium hydroxid (1.3 
pounds). 
