Jan. 13,1923 
Effect of Inorganic Nitrogen on Wheat 61 
TABLE IV .—Correlation between protein content and weight per bushel and weight per 
1,000 kernels of wheat 
Place of growth. 
Variety. 
Kansas. 
Do. 
Do. 
Do.. 
California. 
Do. 
Do. 
Do. 
South Dakota 
Do. 
Do. 
Do. 
Crimean. 
_do... 
-do... 
_do... 
Kubanka 
_do... 
.do... 
-do... 
_do... 
.do... 
.do... 
-do. .. 
Year. 
i 
Protein 
content. 
j 
Per cent. 
1907 
22. 2 
1907 | 
22. 2 
1908 j 
14. 8 
1908 | 
1 14-7 
1907 | 
9. 1 
1907 
! 9 - 9 
1908 
IS- 2 
1908 
14. 7 
1907 i 
13-9 
1907 
12. 9 
1908 
| 16.6 
1908 
! 16. s 
Weight 
per 1,000 
kernels. 
Weight 
per 
bushel. 
Gm . 
Pounds . 
21.3 
Si. 3 
20. 5 
5 i .3 
28. 4 
58.1 
28. 8 
58. 2 
39 - 1 
61. 5 
41.4 
62.0 
36.3 
59-4 
44. 8 
61. 2 
37-9 
63. 0 
39-4 
63. 7 
24.9 
57.8 
29. 8 
60. 2 
Table V .—Percentage of protein and phosphoric acid in grain from plots to which 
chemicals were applied at three stages of growth 
Series A. 
Series B. 
Protein 
Phosphoric acid i 
1 Protein 
Phosphoric acid 
Chemicals applied. 
(NX5.7). 
(P2O5). 
(NXs. 7 ). 
(PsO,). 
Stage 
Stage 
Stage 
Stage 
Stage 
Stage 
Stage 
Stage! 
Stage 
Stage 
Stage 
Stage 
1. 
2. 
3 - 
1. 
2. 
3 . 
1. 
2. i 
3 - 
1. 
2. 
3. 
Sodium nitrate... 
14.1 
14. 7 
IS -3 
1.04 
1.03 
1.18 
is -9 
16,6 
14. 8 
0. 84 
0. 99 
1.03 
Potassium chlorid. 
13. 2 
13 - 1 
12. 6 
1.15 
1. 24 
1.02 
13- 6 
13.2 | 
13-3 
r. 16 
1.14 
1. is 
Calcium nitrate. 
14. 4 
14. 2 
1.00 
z. 10 
1.15 
14. S 
15.9 j 
14.3 
• 92 
1.03 
1.07 
Ammonium sulphate. 
13. S 
14 - S 
12. 8 
1. 00 
1. 05 
1.14 
14.4 
15.6 ! 
14. 0 
.81 
.98 
1.07 
Sodium hydroxid. 
12.3 
12.4 
12. 8 
1.13 
1. 05 
1.18 
13.4 
13.3 i 
13.1 
1. 17 
1.10 
1.14 
Potassium nitrate. 
13.2 
14. 7 
14. 5 
1.02 
.98 
1.12 
15.0 
16.9 | 
; 13 -S 
.87 
1.11 
1.13 
Sulphuric acid. 
12.4 
12. s 
12.3 
1.12 
1. 14 
1. 21 
13. 2 
13.2 
12. 9 
1 .13 
1.14 
1.16 
Ammonium chlorid. 
12.4 
13-9 
13.0 
.98 
1. 04 
1.16 
14. 0 
14.4 
' 13.7 
1.05 
1.07 
1.12 
Potassium hydroxid. 
12.4 
12. 7 
13- 2 
1. 20 
1. 18 
1.18 
13 . 3 
13.3 ! 
! 13.0 
1.14 
1.19 
1.13 
Ammonium nitrate. 
138 
13. 2 
14. 8 
1. is 
1.09 
1. is 
13.8 
16. 6 
! 14.0 
• 99 
1.06 
1.17 
Water. 
12. 2 
1. 17 
13. 2 
1.13 
Control. 
12. 5 
1. 18 
1 3-3 
1.19 
Sodium chlorid. 
12.9 
! 13-0 
12. s 
1. 14 
1. 20 
1. 20 
13.3 
13-3 i 
13.3 
1.16 
1.13 
1. is 
Calcium chlorid. 
12. 5 
12. 7 
12. 9 
1. 16 
1. 19 
1.18 
13.4 
13.7 j 
1 13- 2 
1.14 
1.16 
1.17 
Hydrochloric acid. 
13- 0 
12. 8 
12.5 
1.18 
1.18 
I. IS 
13. S 
13-3 j 
13.2 
i. IS 
1.13 
1. 20 
Potassium sulphate. 
12. 5 
12.4 
13-0 
1. IS 
1. 19 
I. 21 
13.8 
13-0 j 
I 13. s 
1. IS 
1.09 
1.16 
Magnesium nitrate. 
13-0 
14. 2 
14. 1 
I. 04 
1.03 
I. 17 
13 - 3 
14.4 
13 - 9 
1. 05 
• 99 
1. 08 
Magnesium chlorid. 
12. 9 
13. 2 
12. 9 
1.15 
j 1.18 
I. 14 
13. 8 
13-6 i 
1 13.2 
1. 08 
1.12 
1.11 
Nitric acid. 
13 - 7 
15-4 
14. 6 
.98 
. 98 
I. 06 
15.2 
16.7 | 
! 14.4 
• 94 
• 97 
1.10 
Ammonia. 
IS- 9 
13 - 7 
1 1. 20 
I. 20 
16. 3 ! 
14-3 
1.07 
1. 06 
Water. 
12- S 
1. 11 
12. 9 
1.11 
Control . 
12. 6 
1. 10 
13. 6 
1.12 
