, 1900-01-09

'NAANihNNf f" Nm - ~
obtained would be highly interesting,
The climate of Sundance is semi-arid
or s~ub-humid, crops being raised with
out irrigation, while that of Lander is
arid and no crops are raised without
irrigation. A comparison of the re-
suits at these places would give more
trustworthy evidence Of the difference
in value of subsoiling under such con-
ditions of climate and farm practice.
The experiment was begun in the
spring of 1896 and carried out that
year at Laramie, Lander, Sheridan,
Sundance and Wheatland. In 1897 the
cropping was repeated on the same
land at Laramie, Lander ard Sheridan,
and in 1898, at Laramie only.
PLAN OF THE EXPERIMENT.
Following is an outline of the in
structions for subsoiling which, with
slight notifications for each locality,
were furnished the farm superintend-
ents in the spring of 1896
This experiment is to be carried on
tllht Ol az VI Nv MS 'Nl'NN a
suitable acre plat. Pillow the land over
the whole plat the same and let all
other operations such as narrowing.
etc, be the same for all parts of the
plat. Subsoil thoroughly one-half of
the plat. Mark carefully and perma-
nently the line where the subsoiling
stops.
Divide the plat into four equal parts
so one-haIf of each fourth is on the
SUBSIDIZED portion and one-half on the
part merely plowed.
Upon the first fourth acre plant oats.
Upon the second fourth acre plant
potatoes.
Upon the third fourth acre plant
wheat.
Divide the last fourth into two parts
and plant beets on the one and corn
on the other.
Treat the crops on the plowed and
SUBSIDIZED land the same throughout
the season. Keep careful notes of any
variations on the two parts of each
plat.
when you harvest each crop out a
strip six feet wide along the line on
which the subsoiling stops, casting out
the crop from a strip three feet wide
on each side OF this line, which part
is to be taken no account of in figur-
ing up the yields on subsoiled land or
land o SUBSIDIZED. This is important
as the effects on the ground treated or
untreated will reach across the line
some distance.
Measure the area in square feet oc-
cupied by each crop to be used in fig
uring up the yields. In the case of
rowed crops, allow for the number of
rows at their distance apart and TAKE
the length of row on treated and I'M
treated land.
This experiment will be repeated up
on the same ground for a number of
years to determine the effect of sub
soiling on soil and crops.
In 1898 some additional land was sub
soiled and on one plat of oats covering
one-half acre an accurate measure
ment was made of the irrigation water
used. In 1897, the next year after the
land was SUBSIDIZED for this experiment,
the Physicist made a study Of the
moisture content of different soils
which was published in Bulletin No.
35 of this Station, a sun of which
is used in this report.
SUMMARY.
The expense of s~ubsoiling to depths
Of sixteen or eighteen inches is from
three to six dollars per acre.
Subsoiling is probably more valuable
in semi-arid or humid regions than
where irrigation is practiced.
The effects of once subsoiling the
land may continue for three or more
years and under our conditions are
more apparent the second season after
the s%ubsOiling is done than they are
the first.
If subsoiling is to be practiced, we
recommend doing it in the fall.
S~ubsoiling does not produce a uni
form, effect IN the grains. Under GER
tain conditions it may pay for wheat
raised by irrigation. We have not
found 1t profitable for oats, barley, or
corn.
Grain takes longer to mature on sub
soiled land. At high attitudes where
the season is comparatively short it
is doubtful is s~ubsoiling for grain is
advisable.
The quantity and quality of root
crops are greatly improved by sub
soiling the land. Subsoiling can be
greatly recommended in this state for
potatoes.
Under our conditions subsoiling has
increased the amount of water needed
to irrigate the land and apparently is
of little value in conserving moisture.
However, if no water could be applied
by irrigation during the summer. the
filling with moisture in the winter or
spring by rainfall or irrigation of the
reservoir formed by subsoiling, would
be beneficial.
Lewis Dennis, Salem, Ind, says,
"Kodol Dyspepsia Cure did me more
good than anything I ever took" 1t
digests what you eat and can not help