866 
Journal of Agricultural Research 
Vol. V, No. 18 
Table XVII. —Ammonification of dried blood in the air-dry soil of manured plots in 1912 
Plot No. 
Quantity of nitrogen. 
Test 1. 
Test 2. 
Test 3. 
Test 4. 
1004 . 
Mgm. 
80. 44 
94 - 76 
IOO. 06 
100. 8 s 
95 - 75 
Mgm, 
III. 83 
“ 7 - 33 
I 3 I * 2 5 
J 37 - T 4 
128. 90 
Mgm. 
106. 34 
109. 47 
122. 23 
124 . OO 
II3.80 
Mgm. 
102. 8l 
II 7 - 13 
127. 92 
x 33* 02 
122. 62 
TOOK - * . . .... 
1006. 
1007. 
1008. 
Table XVIII. —Nitrification of ammonium sulphate in the air-dry soil of manured plots 
in 1912 
Plot No. 
Quantity of nitrogen. 
Test 1. 
Test 2. 
Test 3. 
Test 4. 
IOO4. 
Mgm. 
8- 5°7 
9. 326 
10. 000 
655 
10. 064 
Mgm. 
14. 794 
15 * 453 
17. 710 
18. 712 
16. 696 
Mgm. 
12. 500 
13- 693 
14 - 39 2 
l6. 401 
14. 662 
Mgm. 
9. 2II 
10, 262 
I2 - 593 
12. 446 
10.444 
I005. 
IO06. 
1007. 
1008. 
Table XIX. —Nitrification of ammonium sulphate in the fresh soilof manured plots in 1912 
Plot No. 
Quantity of nitrogen. 
Test 1. 
Test 2. 
Test 3. 
Test 4. 
1004.. 
Mgm. 
5 - 576 
7*259 
8. 470 
10.282 
8. 125 
Mgm. 
IO. 946 
12- 583 
16. 733 
l8. 694 
l6. I64 
Mgm. 
10. 283 
12. 543 
14. 142 
15. 641 
12. 949 
Mgm. 
9. 141 
10. 000 
12. 698 
13. OH 
IO. 528 
lOOs. 
1006. 
IO08. 
Table XX.— Yield of corn on manured plots in 1912 
Plot 
No. 
Treatment. 
Yield per 
acre. 
1004 
1005 
1006 
Check. 
Bu , 
5 °* 50 
77. 62 
86. 00 
8 tons of manure. 
12 tons of manure. 
IO07 
100 8 
16 tons of manure. 
87. 00 
81. 00 
20 tons of manure.. 
