Repository: UIHistories Project: Board of Trustees Minutes - 1882 [PAGE 84]

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78 Table showing the effects of different soils on the development of sugar in sorghum:

Variety of Soil. Years in No. Cultivat'n. Fertilization. Variety of Sp. g r . G r a p e C a n e AverCane. Juice. Sugar. Sugar. age. Amber. Amber. Amber. Amber. Amber. 1.008 1.074 1.070 1.07 1.07 2.47 3.65 3.26 2.71 2.61 12.48 10.10 12.52 10 77 10.51 Grape. 2.94 Cane. 11.28

Prairie.

1 27 M a n u r e d 3 y's a g o 2 7 No m a n u r e . 3 27 M a n u r e d 4 y's a g o 4 Unknown. No m a n u r e . 5 Very old. No m a n u r e .

Virgin prairie.

6 7

No m a n u r e . No m a n u r e .

Amber. Amber. Amber. Amber. Amber. Amber. Amber. Amber.

1.07 1.072 1.074 1.067 1.074 1.076 1.07 1.066

3.92 3.00 2.65 3.46 3.10 2.97 2.98 3.16

Grape. 3.46 Cane. 12.77 13.65 11.89 13.37 12.49 G r a p e . 13.18 3.07 13.64 C a n e . 12.80 12.87 11.76 Grape. 2.39 Cane. 11.14 12.5

8 Unknown. Barn-y'd manure 9 10 M a n u r e d 4 y's ago 10 12 No m a n u r e . T i m b e r l a n d . 11 4 No m a n u r e . 12 4 No m a n u r e . 13 Many. No m a n u r e .

Mississippi s a n d land.

14 15

Amber. Amber.

1.063 1.056

2.61 2.18

13.47

Effect of Manure,—To ascertain the effect of manure a field was selected which had been used as a barn-yard for several years. A part of the cane was planted directly on the rotten manure pile. An analysis was made of a sample taken from this part of the field, as well as of a part away from a manure pile. The seed in each case was in the "hardening dough." The following is the result of the analysis: Manured—Sp. gr. 1.063. Grape sugar 2.65. Cane sugar 10.89. Unmanured " 1.074. " " 2.65. " " 13.37. Variety of Cane.—From the table it appears that the Amber is best adapted for the production of cane sugar. The Orange and Liberian can also be employed advantageously in the latter part of the season, as they mature later. Their yield is greater per acre, and this fact would no doubt compensate for the less proportion of cane sugar to grape sugar contained in them. Analysis No. 25 of the Chinese cane seems to indicate that it would be unfit for the production of crystallizable sugar.

PROXIMATE ANALYSIS OF SORGHUM CANE.

An average portion of the Orange cut at the same time—October 6, as that used in experiment 29 was reserved, with tops and leaves still remaining, for analysis. The leaves and two feet of tops were removed, and cross sections taken between each joint of the remainder of the stalks. The proximate principles were then determined according to the following scheme. The sections, as soon as cut, were weighed and then dried in a water oven, allowed to cool in the air, weighed, finally pulver-