Medford Mail Tribune
SECOND
SECTION
CLASSIFIED
REAL ESTATE
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FORTY-FIRST YEAR.
STRENUOUS BATTLE WITH FROST IS WON BY
ORCHARDISTS OF THE ROGUE RIVER
By Professor P. J. O'Gara of the U. S. Department of Agriculture, AVho Di
rected the Fight Against the Cold "Wave.
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Panorama of
Orchard Showing'
ou Pots.
Crude
(Copy right 1911, Mull Tribune)
Tho time Is jicar at hand when front
Injury In any of the oichanlH of the
Rogue River valley will he a thing of
the pnst. During the past three or four
seasons there has been such marked
progross In orchard heating as well ns
progresslveness among tho orchardlsts
of tho Rogue Rier valley, that orchard
heating and smudging has become one
o. thu regular practices when necessary;
Just as tho new methods of pinning,
cultivating and spinylng, as well as
other orchaid practices, have tnken the
place of the out-of-date usages of only
ft few years ago. The Rogue River
fruit growers are probably more pro
giesslvo In learning and adapting new
methods to their needs than any either
district in tno Pacific northwest, If pot
In tho Unltod States,- '
The protection of orchards fiom frost
Injury Is not an experiment In tho Rogue
River valley-,, .There are probably somo
who may .ililnk' It Id, but a puruhnl of
tho lecoids in tho bffice of the patholo
gist and entomologist will si.nw that tho
experimental stage in practical oichuid
heating has passed, A glance over tho
valley will show tho large commeielal
oirhatds equipped with fuel pots for
burning crude oil, distillate and coal,
others protected by means of wood which
has proven very successful. Will any
one say that n commercial oichardlst
who has for tlm past four seasons saved
his crop, valued at more than $1000 an
acre. Is much In need of advice? If tho
cost of saving his crop Ir woll below the
maximum It would seem that, for him,
hl.s method must bo tho best.
Sid Not Experiment.
During tho past season of frosts tho
Rogue River valley otchurdists did not
experiment. In saving tho crops from
frost Injury, a safe approximation would
put tho number of fires used at BO 000,
A large number of these were fuel pots
burning crude oil and distillate, but
there were also a very large number of
wood fifes which, though somewhat
clumsier to bundle, were none the less
effective In obtaining the desired re
sults, namely, saving the ciops from
damage. To bo specific, tho Ilurrell or
chard used perhaps S000 pots, Rear
Creek. 3000; Snowy Rutte. 2000, Flero,
000, Iiutz and Reckwlth, 1000, These i
few Instances are given to show what
some of the large enchaidlHts nie do
ing. Last year, tho total number of or
ders for fuel pots, Including those for
burning coal approximated 16,000, this
year a total of perhaps 20,000 more were
ordored, making a grand total of 35,000
pots used In Jackson county Josephine
county also ordored quite a largo num
ber, and such orchards as the Klmiinn
and I'rltchard ure fully equipped and
havo been for .(he past two or three sea
sons. ,'
Types .oi( Patent Pots Used In Valley.
Jn a commercial wuy, the types of pots
yifsed were the Fresno, Rolton, and Ham
ilton, Tho Troutman pot was satisfac
torily used only in an experimental
plot and was demonstrated by an agent
of tho company manufacturing It. Tho
Ideal coal pot was In uso during lust sea
eon's frost period, so that It has been In
tlm valley two seasons. It Is not tho
object of this article to discuss tho rela
tive merits of tho different tpos of pots.
Tho writer, however, has contended that
the simplest type, which, of course will
be tho least expensive. Is the one which
will giow In favor with tho fruit grow
ers. As lias been stated In previous
articles, tho lard pall tpe Is Just as ef
ficient as the Kresno pot, with Its row
of holes near tho upper rim. The Rolton
pot hns ono disadvantage with respect
to tho arrester, or partial cover, which
Is placed ovor tho mouth of tho pot. No
doubt In burning 28-degreo test distil
late, this typo of pot will work ery nlco
ly, but with crude oil oi slop distillate
the heavy coating of soot will tend to
clog tho openings, and In the course of
a night's use will have a marked effect
In reducing the efficiency of the pot.
It may even clog so much as to put out
the flame. However, this pot used open
and without arrester may be eeiual to
tho Freno or lard pall type, and has
proven so In actual test: since burned
that way It Is practically the same us
the other two types The Hamilton
heater Is so arranged as to Increase or
decrease the burning surfuco no us to
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With Pots
regulate the amount of bent. This pot
which Is mndo In tho form of a rectan-
gular tiough, Is not so saving of fuel as
might be supposed since there Is n ten
dency often for tho flame to burn back
of the apron which luiugs downward
from the sliding civer, and which r gi
lates, or is supposed to regulate t "
amount of fuol hurnod. The Ideal coal
boater Is design! to hold -' to CO
pounds of oohI, and is very sntisfarton
so far as heating Is concerned, hut the
fact that a grent den of time is ririlr
ihI to lay the fires, or prepare tl e heat
ers, U someHhat against their uh.
Many Heater Types.
Ther are a Jarga number of heatera
on the mar Wet, eoeh one with lt par
tlcular uIaIiii for offtelency. but us .t
with the fuelx we, imve heie, It 1 a
question as to what superiority one tpe
may lwv over another. Su far tin re
lias bean no reI efflt lenc test made ,
In any part nf the rwunto wht-r heaters .
have been used side by ll under ab-
olutaly like conditions Manufacturer ,
have Imm-ii unwilling to muk. hucli toin
petitlve tests and in huine. mwi where I
such taats were njjio.-,t ti be inaih-
one niamifai Hirer wnubl n it accada fu
tit coadlllons liiipoH.-, t. the other
Tills has .. ii tli' iik. In i tout which;
was to have bfi cuirled out In this.
allcy during the post towson A com-
petithe tmt inuib- by a dot-n man ufa -'
turns would 1 of lunsidirable Inttrcst1
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Official Oovernment Thermograph Beo
WiWM W4" Wnwlti Wiv M H mn 1NJ
MEDFORD, OREGON, SUNDAY, APRIL 30, 1911.
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ord During Danger Season Showing Brlf,
ger Mark, and It Xapld Recovery.
Fruit Growers Raised
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Period Thormotneter Waa Below Dan.
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the Temperature hi Their Groves Ten Degrees by Liberal
Use of Iuel During Nights.
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been burned two or thtee times. This n
To tho loft la Method of Igniting Crude i ery sorlous defect, and ono that can
on by Oaiollne Torch la Center Is not be oerlooked. The crude qll from
Shown Uoe of tlgulto Coal Heaters i the wells of tho Pacific co.st, Is unllko
j To ttlght Is Photo of Professor O'dara that of the east or middle west, in that
at Ills All Might Duty of Warning
orciinrdlsts by Telephone That Ther
mometer Was Hoarlng Danger Idne.
to the fruit growers, and would tend to
eliminate such hunters ns piovo to be
Inefficient llowevei, wlieie only two
types are usee) n ft test whloh was In
no way competitive, llttlo interest nut
urallly was shown. Purthorinoie, when
u so e.illed test Ih nmdo under condi
tions where It Is nlmout Imposslblo to
Kiao out, llttlo can ho said that would
No. 34
VALLEY
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Doubling Boating Pots Around Exposed
Boundaries of Orchards To the Right
Is Photo Showing Use of Pence Halls
and Oordwood for Keating' Purposes.
bo favorable. An orchard with old
spreading trees and the fruiting nroa
rather high Is very easy to protect un
der our conditions, it Is the young or
chard, which coierH only a, sma,U part
of tho ground and traps little heat, with
tho fruiting ami ery low down near
tho ground, thut Is difficult to protect
from frost Injury. A test In such nn
nichaul would really be worth while,
ruels Used In the Orchards.
Ah hns been stated before, the fuols
used nre crude oil, 2S-degree test distil
late, slop distillate, coal wood old
lulls and cordwood), stiaw, sawdust and
manure, the latter being mainly used to
produce n dense smudge, One of tho
greatest difficulties In tho uso of crude
oil and slop distillate Is the presenco of
water whlih tends to extinguish tho
flnme or cause the pots to boll over. The
l.iesonce of wuter In crude oil Is duo
to tho fact that wnter Is forcod Into the
i If led doll very pipes us a Jacket so that
tho oil will flow readily. Crude oil
eunnot be f 01 cod through long lines of
pipe without this wnter Jacket. Tho
watei, though small in amount, goes dl
lectlj Into the storugu tank where, If
tho teinpernttuo of tho oil rises, tho wa
ter will sink (o thu bottom of the) tank.
It can then be dinlned off. Often, how
ever the water, which ut low tempera
tures Is very ne-aily hu specific gravity
of tho oil lomalns In pouketH, or small
globules, dlsulbuted thiough the oil.
Outside of tho fact thut tho crude oil
otten contains water, it has a very great
I tendency to eleposlt largo amounts of
soot on tho trees us well ns tending to
clog cortuln types of pots. Resides, a
very largq amount of iesiuu;u Is left
behind so that a second or a third filling
wilt so cuat tho sides and bottom of tho
pot that It will hold much less oil In
future fillings, and therefore will burn
for n much shortor period. Vov In
stance, a pot that will hold one gallon
'when clean will not hold more than
( thre-o-fourtlm of u gallon ufter having
it luiH an fiHpiiuUuiu bnso. No matter
what tho tjpe of pot. ft heavy nsplmltum
oil cannot be poifectly burned; that la
to say. combustion Is not complete. Tho
noavy nsphaltum base requires a much
laigcr amount of oxygen than oven tho
best typo of pot can furnish, hence tha
large amount of carbon residuum left
on tho shies of tha pot. The oils of the
east have u parnfflno base and hurn
m in.li better. At this time, however, It
woutd seem Imposelbte to bring thin oil
(Continued on page 2.),