RICE EXPERIMENTS IN CALIFORNIA. 
25 
101. Check: no fertilizer. 
201. Acid phosphate, 350 pounds. 
B stage. 
102. Acid phosphate, 350 pounds. 202. Acid phosphate, 350 pounds. 
A stage. C stage. 
103. Sulphate of ammonia, 100 
C stage. pounds. 
203. Check; no fertilizer. 
104. Sulphate of ammonia, 100 204. Sulphate of ammonia, 100 
A stage. pounds. B stage. pounds. 
105. Nitrate of soda, 120 pounds. 205. Nitrate of soda, 120 pounds. 
A stage. i B stage. 
106. Check: no fertilizer. 
206. Check: no fertilizer. 
107. Check: no fertilizer. 
207. Sulphate of potash, 100 
C stage. pounds. 
108. Dried blood, 160 pounds. 
A stage. 
208. Dried blood, 160 pounds. 
B stage. 
109. Sulphate of potash, 100 209. Sulphate of potash, 100 
A stage. pounds. B stage. pounds. 
110. Acid phosphate. 350 pounds; 210. Acid phosphate, 350 pounds; 
A stage. sulphate of ammonia. 100 B stage. sulphate of ammonia, 100 
pounds. pounds. 
111. Acid phosphate, 350 pounds; 
C stage. sulphate of ammonia, 100 
pounds. 
211. Check: no fertilizer. 
112. Acid phosphate, 350 pounds; 212. Acid phosphate, 350 pounds; 
A stage. sulphate of potash, 100 B stage. sulphate of potash, 100 
pounds. pounds. 
113. Sulphate of ammonia, 100 213. Sulphate of ammonia, 100 
A stage. pounds; sulphate of pot- B stage. pounds: sulphate of pot- 
ash. 100 pounds. ash, 100 pounds. 
114. Acid phosphate. 350 pounds; 214. Acid phosphate, 350 pounds: 
A stage. sulphate of potash, 100 B stage. sulphate of potash, 100 
pounds: sulphate of am- 
monia, 100 pounds. 
pounds; sulphate of am- 
monia, 100 pounds. 
115. Acid phosphate, 350 pounds; 
C stage. sulphate of potash, 100 
pounds. 
215. Acid phosphate, 350 pounds; 
C stage. sulphate of potash. 100 
pounds: sulphate of am- 
monia, 100 pounds. 
116. Lime. 2,000 pounds. 216. Lime, 2,000 pounds. 
A stage. ' B stage. 
117. Manure, 2,000 pounds. 
A stage. 
217. Manure, 2,000 pounds. 
B stage. 
118. Sulphate of ammonia, 100 , 
C stage. pounds; sulphate of pot- 21S. Check; no fertilizer, 
ash, 100 pounds. 
Fig. 11.— Arrangement of plats, quantity of fertilizer applied, and stage of application in the fertilizer 
experiments with Wataribune rice at the Biggs Rice Field Station, Biggs, Calif ., during the 3-year period 
from 1917 to 1919, inclusive. 
32862— 23— Bull. 1155 4 
