Weight of dry crystals obtained is said to
represent 66 per cent. of _masse cuite_ used. The additional cost of
the process is $30 to $40 per centrifugal. Concentrated juice or sirup
may be used as _cleare_ in centrifugals; this sirup should have a
density of 1.325 (36 deg. B.) at 113 deg. to 122 deg. F., so as not to redissolve
the sugar. Sirup should not be used until all adhering sirup of _masse
cuite_ has been swung out. The sirup, after passing through
centrifugals, may be sent to second carbonatation tanks and mixed with
juices being treated.
The larva of an insect, known as _sylpha_, has attacked beet fields in
several parts of Saxony. The effect upon the root is a decrease in
foliage, followed by late development of the beet, with corresponding
reduction in sugar percentage. Chickens may render excellent service,
as they eat these worms with considerable relish. A solution of
Schweinfurt green has been used with some success; its cost is $2.50
per acre. None of the chemical remains on the leaves after a rain (?)
White worms have done some damage; they should be collected from the
fields during plowing.
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