Deseret evening news. [volume] (Great Salt Lake City [Utah]) 1867-1920, 1901-03-23
TESTING THE S[[Il1
EXPERIMENTS TO Be Man,
Al THE pAN-AMEaIcANN' ''
@ sDx i, Of #. the bel, Division Of b..
eartmsos Of Ass s.s's, D.
viii Deeply Interest
AerlcuIturIsts.

W'iVuiturists,
Inc progressive agrjcn,,n.,
Il, e. in the exhibit Of I ths WI
OF Botany of the United st, wy p'so
ment !. OF Agriculture at the ,' ps, lvr'
can Exposition, as it relate. ans
s srS nrSI Les. essentials Of bis calm,
EXHIBIT :. viii be restricted 10 os,,, h
Inv tn' M, numerous lines Of work coss y
oy the Division Of Botanv .'n'.aa
pure seed investigations :, lansl
resent :, At. the work of the Seed I, w. ~
at the Department 81 'ao'alaY
wnere samples of all seeds G,.,.s'
by the Government arc No.. 4sl'alN
vest tested for purity, germlnabIII s N'i0ly
dom IRON seeds Of newcastle.
thousands of samples t,os F'et,,
anu am. seedsmen in all parts Of d, a'''a
Try are also tested at M. i 1. ,n' ''g'.
Inc work is Of special Intsr.s ,..90's'og
ers, gardeners, seedsmen .'' % lam.
ment station workers, "a ' az eIpa'
subject OF pure seeds Is a, ,, .IOm A
lance. The Seed Labora,o,,'' ''s' lhpQ.
partment OF Agriculture /, r ~ 'os D.
nlzed as the most importap, ' s,.i 's''''
ing station In America I,s '.sa 's''
standards and most importaD, S r,.
apparatus have been adopted y y. 2
testing at many OF the S,,,. W VI
ment stations. The methos. uItl
use and many of the instno,ru,g,' =
larger pieces OF apparatus bsc. ~
devised and perfected by ~ 1's ''s'
charge to meet the necesslI. NJ a,' d
work. ''''" " De
On entering the space deyaa.n
exhibit at the left of the NAL w. Y ~
sees first In a glass case rysr -
rating table, with magma" sN
forceps and other tools usl y ,, ~.
III separating a sample Of or~, '~S
seed into Its component par, 4 ~,
seed, chaff, sand and other fo,,l, \. ~,
ter and weed seeds. Nexti,an,a
me balances, on which samDl,, j.,
weighed, all percentages IN sasa rn'.'
tests being based upon weight n.
yond the scales is a new combined nl,
er and sampler In this a ouantlty :,
seeds Is quickly mixed and samnis y,
the desired amount delivered which wifi
ialrly represent the entire lot One Of
the most attractive pieces Of apparatus
used In purity testing Is the blast I'M.
purity separator which Is also a new
device. The air blast Is furnished by a
modern blower driven by an electric
motor, The device itself, however IN
which the separation Of chat and ugh,.
er impurities from seed is performed
through the action Of an afr current
consists Of a simple bent glass tube
connected with a receiver
Actual termination tests will be car.
ried on at the Exposition as in the Seed
Laboratory at Washington CONNER.
cial seeds will be counted. arranged Ia
folded blue blotters, mostened and
placed in the standard terminating
chamber, where they will be kept At
fixed temperatures favorable to gg.
mlnatlon. Check termination tsg
such as are employed in condOstlu
tests with many kinds Of seeds, VII
made In sterilized sand and Sl b
greenhouse flats" The number Iti'
minating each day for a definite peIia
in each Of the tests viii be noted and
the percentage Of termination thus
computed,
Many weeds the seeds OF which are
most frequently found as impurities In
commercial seeds are represented by
living plants, labeled with the names
by which they should be designated by
English speaking people wherever
found. A unique feature Is an exhibit
of seeds of many Of these weeds ana
also several kinds Of commercial seeds
arranged under forty magnliying glass
es. accompanied by seeds Of the sane
kinds In open dishes, so that one may
readily compare the magnlhed impIss
sion with the actual seed and mote aA'
ferences and distinctive characters lhl
would not appear to the unaided sye
The results and importance o. Nv
testing are graphically represenA y
several groups Of glass tubes e'al
ing different kinds Of commercis
THESE show the ordinary conna1a
seed the amount Of pure SEED IVY
name in the sample and the an,an
inert matter, such as chan sues -
sand. the proportion Of weed s'en "
finally the amount Of gerlnlnss, 81, A
true 70 name. as determined sI y" y
similar sample and the p''poiu..D
waste, A comparison of the'e aa Wv y.
indicates how much is often vA w., y,
waste in buying untested anu F'''
seeds. ,NorrN
Commercial seed growing y 'a. NV
Photographic illustrations Q, c, ie
The largest seed farms IN Oa "a. =,
where the production OF s a,usu q
has reached its highest oe's'O'
this country. -. ,.r,rs
rection OF Mr. Frederick n' " a
Chief of the Division Of B0 BOA. AN
under under the immediate supervisor ss,, y
Edgar Brown, assistant 9, ga rs4a
tests In the sew
Laboratory.