Jan. 22 ,1917 
133 
Effect of Fertilizers on Oranges 
Table IV .—Comparison of navel oranges fertilized with and without nitrogen —Contd. 
CROP OP 1915 
Fertilized with nitrogen. 
Plot. 
Specific 
gravity. 
Juice. 
Sugar. 
Acid. 
Nitro¬ 
gen. 
A . 
0.88 
41.7 
9.46 
0.98 
0.126 
C. 
.89 
40.4 
10 . II 
.98 
.130 
F. 
.88 
39*6 
10.06 
.96 
•115 
G. 
.87 
38.0 
9.62 
1.01 
.132 
H. 
.87 
38 . 2 
9.26 
•94 
•137 
L. 
.88 
41.1 
9- 73 
•94 
. iar 
O . 
.87 
37*5 
10.08 
1 . 01 
• 097 
Q . 
.88 
41.1 
9.99 
1 . 00 
.124 
S. 
.88 
40.7 
IO. 05 
•99 
.117 
Average.. 
.88 
39*8 
9.82 
.98 
. 122 
Not fertilized with nitrogen. 
Plot. 
Specific 
gravity. 
Average. 
(a) 
o. 91 
.90 
.92 
.90 
.89 
.90 
.89 
.89 
.90 
.90 
90 
Juice. 
(a) 
44.4 
42.9 
45 -o 
40.1 
43 -^ 
43 * 1 
41. 7 
41.4 
43-9 
43-6 
43 * 0 
Sugar. 
(a) 
10.92 
io- 82 
10.46 
10.41 
9.98 
10. 23 
IO. 12 
10.47 
9.92 
10.80 
10.41 
Acid. 
(a) 
0.97 
.90 
.96 
•97 
1.00 
.98 
1.02 
.98 
•97 
.92 
,96 
Nitro¬ 
gen. 
(a) 
0.086 
093 
093 
098 
112 
096 
097 
097 
081 
087 
,094 
a No analysis because of failure of the crop. 
Table V. —Comparison of Valencia oranges fertilized with and without nitrogen 
CROP OP 1914 
Fertilized with nitrogen. 
Not fertilized with nitrogen. 
Plot. 
Specific 
gravity. 
Juice. 
Sugar. 
Acid. 
Nitro¬ 
gen. 
Plot. 
Specific 
gravity. 
Juice. 
Sugar. 
Acid. 
Nitro¬ 
gen. 
A. 
C. 
F. 
G. 
H. 
L. 
O. 
Q. 
S. 
Average.. 
0.93 
.92 
.92 
.92 
.92 
.92 
.89 
.89 
• .89 
P.ct. 
S 3 - 9 
52 . S 
51- 1 
52 - 3 
52.0 
Si-6 
49 -S 
47-5 
47-4 
P. ct. 
8.07 
8.68 
8.27 
8-35 
8.40 
8.05 
8.07 
7.84 
7.84 
P.ct . 
1.01 
•97 
.98 
-97 
1.01 
1.02 
.96 
1.00 
*97 
P.ct. 
0.124 
. 116 
.117 
.119 
.130 
.132 
.118 
.130 
.124 
B. 
D. 
E. 
I. 
J. 
K. 
M. 
N. 
P.. 
R. 
T. 
Average. 
0.92 
•94 
.91 
.92 
.91 
•91 
.91 
.91 
.90 
.90 
.90 
P.ct. 
S 3 *© 
53*3 
52 -S 
52-0 
50.1 
Si -3 
51-8 
51-0 
50.0 
49-4 
49-1 
P.ct. 
8.89 
9.04 
8.66 
8- 59 
8.46 
8.15 
8-39 
8.24 
7-99 
8. 22 
8.26 
P.ct. 
1.02 
.98 
.92 
•97 
.96 
.92 
•94 
.90 
•94 
.96 
•99 
P.ct. 
0.088 
.089 
•09s 
•09s 
. 108 
.097 
.094 
.089 
. no 
.107 
. 104 
.91 
SO -9 
8.17 
■99 
. 123 
.91 
Si-2 
8.44 
•95 
.098 
CROP OP 1915 
A. 
c. 
F. 
G 
H 
I*. 
O 
Q 
S. 
Average.. 
0.92 
S 3-1 
7-93 
0.76 
0.141 
B. 
0.92 
55-9 
8. 58 
0.65 
0.071 
.92 
53*6 
8-37 
.66 
.128 
D.... 
•95 
55-3 
9.09 
.60 
.080 
.92 
52 -i 
8.67 
• 7 i 
.125 
E. 
•93 
S 3-3 
9.16 
.64 
. 108 
•92 
52.4 
. 8.40 
•75 
•143 
I. 
•94 
S6- 7 
9- 28 
.67 
.094 
.91 
52.8 
7.01 
•74 
•139 
J.. 
•94 
54-8 
9-39 
.68 
.119 
•92 
52.6 
7 * 79 
•72 
. 148 
K. 
.92 
53-2 
8.19 
.69 
.108 
•92 
49-9 
8.86 
•75 
*135 
M. 
•93 
56.1 
8- 75 
.67 
•095 
.91 
48.5 
9.01 
.81 
. 146 
N. 
•93 
53-0 
8-95 
•67 
.111 
.91 
49.0 
9.26 
•78 
.141 
P. 
.92 
50-8 
9.07 
•71 
.114 
R. 
.92 
53-8 
8.94 
• 67 
.099 
T. 
•94 
53-6 
10.00 
•65 
.103 
.92 
51.6 
8-37 
•74 
.138 
Average. 
•93 
54-3 
9.04 
.66 
.100 
