282 Joumal of Agricultural Research y 0 i. xxvm, No. 3 
Table V. — Composition of the ash and water solubility of inorganic constituents 
of dry matter of young orange trees grown in sand cultures 
Leaves 
Shoots 
0.25C 
0.50C 
2.0C 
0.25C 
0.50C 
2.00 
Per 
cent 
of 
ash 
Per 
cent 
HaO 
sol¬ 
uble 
Per 
cent 
of 
ash 
Per 
cent 
HaO 
sol¬ 
uble 
Per 
cent 
of 
ash 
Per 
cent 
HaO 
sol¬ 
uble 
Per 
cent 
of 
ash 
Per 
cent 
HaO 
sol¬ 
uble 
Per 
cent 
of 
ash 
Per 
cent 
HaO 
-sol¬ 
uble 
Per 
cent 
of 
ash 
Per 
cent 
HaO 
sol¬ 
uble 
Ash as percent- 
age of dry 
matter. 
13.73 
13.49 
14.34 
4.48 
4.30 
6.30 
Inorganic con- 
stituents o f 
dry matter.... 
47.47 
------- 
54.47 
58.81 
« 
39.48 
39.62 
38.94 
Na. 
4.57 
85.68 
4.06 
88.10 
4.58 
95.74 
3.97 
69.87 
3.86 
84.16 
3.29 
81.02 
K . 
18.05 
86.21 
18.20 
95.43 
18.23 
97.93 
15.10 
89.49 
15.59 
91.06 
14.89 
91.79 
Ca. 
20.37 
23.21 
19.81 
27.33 
20.88 
34.65 
21.99 
11.60 
21.85 
9.17 
22.95 
9.02 
Mg. 
2.15 
60.74 
1.97 
75.24 
1.85 
79.62 
3.15 
55.63 
3.17 
54.35 
2.40 
56.95 
Cl.. 
0.26 
100.00 
0.26 
100.00 
0.30 
100.00 
0.37 
moo 
0.40 
100.00 
0.30 
100.00 
S0 4 <*. 
3.94 
65.53 
4.34 
71.58 
4,39 
68.89 
3.43 
61.92 
3.53 
65.04 
4.86 
70.16 
P0 4 -. 
2.84 
56.43 
3.41 
62.09 
4.70 
69.58 
4.57 
57.82 
5.37 
63.91 
7.77 
84.24 
Trunk 
* 
Root 
0.25C 
0.50C 
2.0C 
0.25C 
0.50C 
2.0C 
Per 
cent 
of 
ash 
Per 
cent 
HaO 
sol¬ 
uble 
Per 
cent 
of 
ash 
Per 
cent 
HaO 
sol¬ 
uble 
Per 
cent 
of 
ash 
Per 
cent 
HaO 
sol¬ 
uble 
Per 
cent 
of 
ash 
Per 
cent 
HaO 
sol¬ 
uble 
Per 
cent 
of 
ash 
Per 
cent 
HaO 
sol¬ 
uble 
Per 
cent 
of 
ash 
Per 
cent 
HaO 
sol¬ 
uble 
Ash as percent- 
age of dry 
matter. 
2.89 
2.38 
3.21 
2.42 
2.56 
2.91 
Inorganic con- 
stituents o f 
dry matter.... 
30.12 
34.93 
35.02 
37.16 
35.09 
42.96 
Na. 
3.53 
68.62 
4.44 
72.35 
3.42 
83.99 
2.92 
96.39 
3.29' 
100.00 
3.71 
100.00 
K...... 
12.86 
87.36 
15.20 
87.59 
13.97 
93.10 
14.48 
92.22 
13.68 
92.13 
16.59 
94.51 
Ca. 
19.89 
7.24 
20.68 
6.79 
22.70 
6.51 
18.48 
6.11 
16.48 
5.46 
17.73 
6.56 
Mg. 
1.61 
44.92 
1.91 
40.50 
1.68 
57.28 
1.95 
32.64 
1.98 
S3.19 
2.35 
45.74 
Cl. 
0.46 
100.00 
0.47 
100.00 
0,89 
100.00 
0.50 
100.00 
0.43 
100.00 
0.38 
100.00 
S0 4 «_ 
2.82 
27.78 
2.89 
39.94 
3.75 
43.36 
2.02 
35.81 
2.62 
35.47 
2.68 
41.16 
P0 4 ‘. 
3.94 
66.19 
5.89 
72.30 
6.82 
80.55 
6.85 
57.53 
7.92 
55.04 
8.15 
70.90 
(Silica-free) Rootlets 
0.25C 
0.50C 
2.00 
Per cent 
of ash 
Per cent 
HaO 
soluble 
Per cent 
of ash 
Per cent 
HaO 
soluble 
Per cent 
of ash 
Per cent 
HaO 
soluble 
Ash as percentage of dry matter. 
5.03 
4.91 
9.14 
Inorganic constituents of dry matter. 
64.99 
65.31 
69.77 
Na. 
4.06 
100.00 
5.54 
98.97 
7.09 
98.78 
K ... 
19.66 
93.51 
18.19 
94.69 
28.33 
95.89 
Ca. 
7.52 
35.72 
7.11 
32.59 
7.80 
. 21.39 
Mg...... 
8.05 
71.14 
7.79 
68.76 
3.71 
65.90 
Cl..... 
1.65 
100.00 
1.85 
100.00 
1.57 
100.00 
S0 4 «. 
8.08 
57.86 
10.14 
70.32 
12.52 
86.40 
P0 4 «.. 
7.34 
42.92 
8.83 
39.59 
12.05 
36.62 
• These do not include organic S or P. 
