Report on the Agricultural Experiment Stations, 1952 Page: 30
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30 REPORT ON EXPERIMENT STATIONS, 1952
acre, kept 15 cows, and had labor incomes averaging $370, whereas
farmers using an average of 130 fertilizer units per acre obtained hay
yields of 2 tons per acre, kept 24 cows, and had labor incomes averaging
Many ranchers are interested in increasing the productivity of old
dry-land seeded pastures. A study at the Wyoming station has shown
that this can be accomplished through fertilization. Ammonium
nitrate was applied at rates of 100, 200, and 300 pounds per acre to
pastures of western wheatgrass, Russian wild-rye, and crested wheatgrass.
The hay yields obtained were 1,100, 2,320 and 3,116 pounds
per acre, respectively. Check plots receiving no fertilizer produced
only 700 pounds per acre. Furthermore, nitrate applied in the spring
of 1950 materially increased the seed yield of Russian wild-rye in
Value of Improved Pastures and Ranges
Research at the State experiment stations provides many examples
of the value of better forage crops and improved pastures and rangeland.
These benefits are not confined to the greater cash returns on
the forage produced. They are also reflected in the increased production
of beef, milk, and other animals products on the part of animals
grazed on improved pastures and the increased animal carrying
capacity of such pastures.
Experiments at the Indiana station show that a renovated bluegrass
pasture which has been seeded to Ladino clover and birdsfoot trefoil
will give greater beef production per acre than a bluegrass pasture
that has received up to 400 pounds of nitrogen per acre per year. The
experiment demonstrates conclusively the value of legumes in a pasture
Grazing trials at the Mississippi station, in which dairy cows were
used, revealed that a permanent pasture of Dallis grass and white
clover grazed from March to October will provide 67 percent of the
total nutrient intake at a cost of 42 cents per 100 pounds of 4-percent
fat-corrected milk. Johnson grass-red clover pastures provided the
same nutrient intake but the cost was $3.93 per 100 pounds of 4-percent
Pastures in southeastern Oklahoma, established at a cost of $10 to
$15 per acre and fertilized annually at a cost of $5 to $10 per acre,
are producing 200 to 500 pounds of beef per acre, according to data
presented by the Oklahoma station. Unimproved pasture in the
same area produced a maximum of 50 pounds of beef per acre.
The influence of a legume in a pasture mixture has been strikingly
shown in a grazing test at the South Carolina station. Milking cows
were grazed on a Kentucky 31 fescue-Ladino clover pasture for 222
days. The forage yield totaled 1,692 pounds of total digestible nutrients
per acre equivalent to 1.97 tons of lespedeza hay. In the same
test milking cows were grazed on an Alta fescue-Ladino clover pasture
for 231 days. The forage yield averaged 2,598 pounds of total digestible
nutrients per acre-equivalent to 3.02 tons of lespedeza hay.
The difference in the production of the two pastures is accounted for
by the difference in the amount of Ladino clover in the pastures-75
percent of the stand in the Alta fescue-Ladino pasture and 25 percent
of the stand of the Kentucky 31-Ladino pasture.
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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/m1/32/: accessed February 26, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.