Report on the Agricultural Experiment Stations, 1952 Page: 16
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16 REPORT ON EXPERIMENT STATIONS, 1952
is no damage from either sponging or scalding. It is possible to cure
at lower temperatures during the final stages without prolonging the
curing time. These lower temperatures lessen the fire hazard.
Records show that the average cost of coal and electricity for nine
curings with the forced-ventilation system was 82 cents per 100 pounds
of leaf cured. The average fuel cost for the same barn for 14 curings,
previous to installing forced ventilation, was $1.08 per 100 pounds
of leaf cured. The costs for an oil cure in a similar size barn for nine
curings during the same period was $1.92 per 100 pounds of leaf.
The color and quality of leaf cured by the forced-ventilation system
and subjected to a forced aging process were equally as good as those
of tobaccos cured with other systems. Chemical analyses of samples
and smoking tests showed no significant differences between the quality
of the forced-cured and aged tobacco and that cured by conventional
Speeding fruit and vegetable treatment for canning
The Tennessee station has developed a practical, easily built machine
for automatically immersing freshly cut fruit or vegetables in
antioxidizing solutions used in the commercial canning industry to
prevent discoloration during canning.
The sliced fruits or vegetables to be treated are channeled into one
end of a simple mechanized semicircular tank containing the treating
solution. At the center of the semicircular tank are four equally
spaced arms extending outward. Pivotally mounted at the outer end
of each arm are perforated metal baskets. The baskets receive and
submerge the fruits to be treated, slowly propelling them to the opposite
or discharge end of the tank. The special arm and basket arrangement,
together with a suitably mounted tripping mechanism, allow
the treated material to be drained properly, after which it is routed
to an inspection belt or into a suitable container. All action is continuous
and completely automatic. In tests it was shown that 1,000
pounds of product per hour could be treated easily.
FIELD CROP RESEARCH
Contributions made in field crop research during the past year
include the development of improved crop varieties and effective
tillage, fertility, cultural, and harvest practices. Chemical weed
control practices developed in connection with the growing of different
crops have resulted in a reduction in hand labor; and in the
number of repetitive cultural operations, and in profitable mechanical
culture and harvest methods.
Corn hybrids developed by the experiment stations, the Department
of Agriculture, and commercial seed companies have increased
yields about 30 percent or 750 million bushels a year. The 350 hybrids
released by these several agencies in the past 25 years have
been bred for uniform height of ear, strong stalks, and uniform
maturity, factors that facilitate mechanical harvesting; for resistance
to diseases and insects; for use as ensilage; and for adaptation to
different sections of the country. These hybrids have been widely
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United States. Office of Experiment Stations. Report on the Agricultural Experiment Stations, 1952, book, January 1953; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc5990/m1/18/: accessed July 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.