556 
Journal of Agricultural Research 
Vol. V, No. 13 
Table V .—Changes in composition of sweet potatoes at 15.5 0 C, 
FIRST EXPERIMENT (FIRST PERIOD) 
No. of 
sweet 
potato. 
Moisture. 
Reducing 
sugar as 
glucose. 
Difference. 
Cane sugar. 
Difference. 
Starch. 
Difference. 
Per cent . 
Per cent. 
Per cent. 
Per cent. 
10a. . . 
10b . .. 
75-18 
63-44 
0. 90 
.66 
| -0.24 
f 2.30 
l 5* 05 
} 2-75 
( 17.17 
\ 14.10 
} ~3- °7 
lla. . . 
llb. .. 
73- 17 
67- SS 
I. 09 
I. 03 
} - .06 
/ 1-84 
l 4-41 
} 2.57 
/ J 9* 49 
l 16. 52 
} -2- 97 
12a. . . 
72. 96 
.82 
l Q 
f 2.88 
} 3- 14 
/ 19.08 
12b . .. 
62. 87 
.82 
/ 0 
\ 6.02 
1 15- 66 
} “3* 42 
30a. . . 
30b . .. 
72. 77 
62. 20 
• 75 
.68 
} - • °7 
f 2.09 
1 4.78 
} 2-69 
/ 19- 63 
l *5- 95 
} -3-68 
31a* • * 
73.26 
*94 
} --*5 
f 2.01 
} 2.73 
i * 9 - 25 
} “ 3 - 5 i 
31b. .. 
67.32 
.69 
V 4*74 
1 r 5* 74 
32a. . . 
74- 13 
1. 02 
| . 04 
f 2.44 
J- 2.04 
J J 7* 96 
} -2.36 
32b. .. 
65.64 
1. 06 
l 4-48 
i 15- 60 
FIRST EXPERIMENT (SECOND PERIOD) 
24a. . . 
24b . . . 
7a 10 
66.452 
I* 52 
.89 
} -0-63 
/ 4.17 
t 6.69 
} 2.52 
/ 18.53 
l 16.47 
| —2 .06 
2<3a. . . 
7 1 - 85 
I. l6 
} --58 
J 5- 12 
| .86 
/ l6 - 5 1 
26b . . . 
68.08 
*58 
l 5-98 
l 15* 22 
} “*1*29 
29a. . . 
71. 64 
I. 48 
l _ 6 * 
/ 3- 57 
} i-94 
r 18.26 
1 —1.06 
29b... 
66. 18 
.88 
> — . OO 
l 5- 5 1 
\ 17.20 
5lf. . . 
7°- 7i 
1. 30 
} - .4! 
r 4.46 
} 2.46 
/ I 7* 99 
1 
JH 
00 
<Sl 
5lt>. . . 
67.13 
.89 
l 6.92 
\ 16.14 
52a. . . 
69. 12 
1. 36 
} - -33 
/ 5.02 
J- 1.12 ■ 
/ 19.52 
1 —1.16 
52b. . . 
66.61 
1.03 
i 6.14 
1 18.36 
53a. • • 
71* 51 
1.44 
I _ AQ 4 
f 4-52 
} 1.91 ■ 
1 17-89 
53b - - - 
67.74 
•76 
r • UO * 
l 6.43 
i 16.21 
? —I. Oo 
SECOND EXPERIMENT (FIRST PERIOD) 
55a. • • 
74-13 
O.65 
l T tA 
r 2.11 
} o-9i 
/ l8. 52 
} -1-78 
55b... 
73- 23 
I. 8l 
f I. 10 
l 3*02 
l 16.74 
56a. . . 
73-42 
.82 
l T 
f 2.66 
} <7S 
/ 18. 56 
} -1.48 
56b .. . 
73-18 
I. 90 
> I. Oo 
l 3*4i 
\ 17.08 
57a. • • 
57b. . . 
73-14 
7i- 95 
*85 
I. 70 
} -85 
/ 2.23 
1 3. 10 
} -87 
/ 19* 19 
l 17* 72 
} -1-47 
58a. . . 
73.88 
. 6l 
J- I. OO 
r 2.42 
| 1.00 
/ 18. 50 
1 
H 
58b... 
73.66 
I. 6l 
l 3*42 
( 16.61 
59a. . . 
59b. . . 
75- 10 
73. 66 
.83 
I* 51 
| .68 
( 2. 56 
l 3* 47 
} -9i 
/ 17* 23 
l *5* 77 
} -1.46 
60a. . . 
60b . . . 
75- 61 
73-63 
.89 
I. 6l 
} • 72 ■ 
( 2. 13 
l 2.71 
} ' 58 ' 
[ !7- 15 
l i5* 97 . 
| -1.18 
