286 
TABLE 47—RELATION OF HumMiIpiry TO RATE OF DEVELOPMENT OF EGG 
AS SHOWN BY EFFECTIVE DAY-DEGREES 
Average 
138 
171.2 
155 
161.7 
2200 
162.6 
802 
162.6 
292 
170.4 
Average 
834 
159.9 
1989 
164.5 
1019 
162.6 
640 
161.2 
205 
166.6 
4187 
163.3 
Temp. s= 
Humid. 60°-64° 65°-69° 70°-74° 75°-T9° 80°-84° 
138 
65-69 171.2 
5 81 251 114 256 
70-74 153.0 164.3 161.4 161.0 163.4 
69 847 703 275 206 
75-79 156.3 164.5 162.9 160.3 162.7 
111 237 282 159 13 
80-84 172.0 159.6 160.8 162.6 175.0 
132 38 52 
85-89 171.3 174.4 172.0 163.0 
593 1203 1306 600 475 
Average 165.6 | 165.1 162.6 161.3 163.4 
TABLE 48—RELATION OF EVAPORATION TO RATE OF DEVELOPMENT OF EGe@ 
AS SHOWN BY EFFECTIVE DAY-DEGREES 
Temp. 
Evap. 60°-64° 65°-69° 70°-74° 75°-79° 80°-84° 
32 85 217 
5-9 150.0 160.9 160.4 
398 807 1 3 
10-14 165.8 164.4 165.8 161.4 
71 311 409 47 181 
15-19 159.3 163.1 160.8 166.5 166.2 
102 9 7 112 
20-24 172.9 161.3 157.6 156.0 
23 182 
25-29 176.2 165.4 
603 1203 | 1306 600 | 475 
Average| 165.6 163.9 | 162.5 161.2 | 163.5 
iar 2% 
