Amarillo daily news. [volume] (Amarillo, Tex.) 19??-current, 1920-07-07

mOlestcd unil thtl become suiilfi'rlA
numerous 10 puncturc more forms than
would shed normally Poisoning is then
started and continued untn the plants
have had time e. develop as many hnlls
as they will be- able ~ mature Poison.
Ina ls then stopped aud the wc,s.ls are
allowed To- resume multiplication ".
markedly large iner,aigs iu yield fr".
qquenfl:- fS-;:.: from comparatively
slight degree Of control Tor e. short time
The effect Is cumulative however and
can only b. secured hy starting tn az.
plicaiions ~ The r.rht time ani r'p.'f.
lnr them AZ thu curtcot intervals. Tho
specialists uic" planters 90 conduct The
operation thoroughly or not to attempt
q az all
Have Poison Tested
The right Mind Il poison b. dry po0d.
cred calcium arsouate containing nut
less than % per cent arsenic paut0Xid.
not more than three folrihs ~ one per
cent water soluahlc arsenic nentoXid and
having a density ~ not less than SO
and not more than 100 cubic inches 90
the pound. To b. sure that q l. rgh,
EAtllIlfN NfANNNA ~ NfNHA N.N NNaN w NNaN|
ment's Delta Laboratory az Ta!lulah
Ia. An immediate report viii b, furn
ishef showing whether &c not IN, mater
ial II satisfactory Tor cotton dIsiing
II II Of the greatest Importance 90 De
sure that the material IL right II II
contains too little arsenic. Il win not
kiil the weevilS. II Il contains too much
- aTlNkfsfa a. L.
jure the plano Mixtures 81 all inds ATE
condemned. Calcium arsenaie may he
kept a. long a. four years u Il IL stored
In dry place.
There II always ~ possibility ~
poisoning both men and horses working
In calcium nrsonate dust. Though no
serious injury has ever been reported.
the specialists urTe the taking Il all
reasonable precautions. Personal clean.
iiness " the mos, important. Operators
should be required Ia hattie as soon rs
they have completed the busting work
and under no circumstances should they
he permitted % eat az drink without
washing their hands and faces win
aoap and water Horses and mules used
90 pull the busting machines should h.
niuzried 20 prevent the possibility oi
poisoning by eating grass and weeds
along the rows
Generally speaking. n, leas; pounds
of calcium arscnate per acre should b.
used.
The best time 90 dust IL when ,hs
humidity u high. the air calm and the
plants moist with dew. 4, IL necessary
that every portion q TN cotton plant
b. covered by the fire PARTICLES Of pois
on dust and this can not be- done when
the wind IL high or IN. plants dry !, -
usually necessary. therefore. 90 d.
nearly all of the busting wor NJ night
early In the morning 90 late In IA,
evening.
Three Applications Usually sufficient.
The frat application should be- mud,
when the wecvii injury reaches 10 20
rs per cent II the bolls and the effort
should be % hold Il below g per cent.
The poison reaches ini kills only he
adult wecyiis and h1s no effect what.
ever on the immature stages develop
ing In the polls and squares. Thre az.
plications are usually sufficient % -.
feet the desired measure - control
They should b. about four days aIrrt
Poisoning should not be- attempted ~.
cert under conditions that Wiil justly
sufficient machinery outlay a. so ovei
all the cotton poisoned az about four.
lay intervals. " j. advisable % rer.eat
an application immediately II n drench.
ing rpin falls within q hours after
treatment.
II f. sometimes advisable o. poison
heavily infested portions - tho field
earlier IN the sprinc The heaviest en-.
festation y usually near timber % other
Information quarters and early poisor.
inE o. a few ceres nay greatly reducc
tire infestation q To- entire field and
delay Considerably The necessity for
general poisoning.
Weevil poisoning tho specialists sly
Il a plantation and not an luaivii1aI
field proposition. n D. unsafe o. expect
each tenant a. poison bis crop. Msch
letter results are obialned " the riEr.
tation management undertakes a1 pois.
ing operations.
Three tyT.s q satisfactory busting
Nlafntutt nave o.. n NHafaNilFl a- IN
hand gun. the wheel traction maeh.na
and the engins.powef machine 4 hand
gun shnaii not D. expected % COVER
more than 70 acres - cotton. and h b.
safer O. figure on one gun Tor every two
acres. Even On this basis hand guns.
should not b. relied upon Whenihere -
considerable acreage ~ cotton The
hand gun l. q great value for earivI
SEASON VIZ kon spots II niEh inf-sia.
ton and for Use b. conjunction with
poger machinery for treating spots
that oan no; D. reached with "a. power
nas hine. The medium ~ large planter
therefore n-eis few hand guns 90
supplement HE power machinery.
Cart Iiiistef Covers Is Acres.
A wheeltraction &C. cart dustsr an
le made % take care Il ahoii - acres
IT, operation requires thu work ~ al
man and two mules u il sampler In cor.I
struction and EASIER 10 handle than tn
snrfre-uouer machines This TIVE was