The San Saba news. [volume] (San Saba, Tex.) 1873-1966, 1883-01-13
Tnc Suu's influence on Vegetation.

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The radiaiiuus Of tho sun stfiko sol
ia bodies es the c1rth ana the planets
that reyolye around the sun, as rays Of
light strike q reflector.
These rliiations instead Of being all
reflected are partially absorbed by the
earth aud tho plauls above it, while
many aro lotbiy reflected, This ab.
sorptiou aud reflection c3usos un aceu.
mutation of hent near the surface Of
the earth grolter than ia the air u fow
miles above the earth which oausos
the development OF the elementary or.
gans of plants existing in the seed,
which development cannot take place
until the proper conditions are met.
These conditions are q certain number
Of degrees Of heat, a certain and deA
tie degree Of lirhs MIR aud moisture,
The luminous riys oi the aru exert ii
power in the vegetable economy that
is but imp'rieeuy understood. We all
know That the green cql'ring matter OF
plants lchlorophyl) lH que 10 thus lnmI'
mons qHeii,Y NJ the suns rays. With,.
ont this influence the ehlorophyI WIN
NOT deco'nposo the crbonlc "eid oi tue
AR or asslmilAte Tine carbon and REJECT
the oxygen. Inc plant IL II grows nv
all, IS colofless ehd imp
Experiment. have been tried with
plant anu seeds under the direct rays
OF the sun WIN MI the heat, aud hall
protected, and wholly protected from
the snh's direct rays "lth only dliinaed
light
Inc spronting anu blooming Tune
was protrac'ed aS al the influence OF
rays were with eld' IL took only halt
the nun Der OF houra WITH ''l the ann q
rays erect TO sptout the seed OF nting
forth tiowers as ~ did when the light
vas d'iilsed, while the weight oil the
vegetables grown was only about hali
a. great without direct sunlight ne
With.
1t ia evident therefore that more
tia heat aud moisture ~ required IN
the vegetation OF seeds end the growth
and perfection OF plants
There must na acnomicA' power that
aid, the absorption o. cl'hon, which Is
exsaodin2ly powerful even IN hildsed
liBht. IL ie not 10y Sue heating raJ =,
nor by the luminous rays contained III
solnr light, but by the chemical rays
accompanying the solar rays that the
vegetatiye elect Is produced from the
plant. This Is evident from the Tact
that the strongest artificial lght VIII
not produce the vegetative elect that
even the dlhused lght OF the sun van
produce.
Blot, french e@Heunenter' OBJ
tanned the oxygen Of inc OeRetus opon
tia, placed uhder wafer win the III mus
ed light OF the sun, but could not 90,
tam 1t from the light oil lamps rejected
from Mirror wa N the light was OF
suliclent strength to be seen nj th'
dlstahes oi loU mics, ana suhieiSht ts
strike Inc person oiind VINO should looi
upon IT, o.,
INC VheSs On Neeo1at'ou o' 'no cn. i.
lcHl ray Oh 'pe Auu aiso 10 eeoh III VIZ
great Inference IN inc appearance o
me 4'rouucts 10 tue bhaue anu III sun
lSht exposures even Wnen tnoy az
grown III pot7 nlleu WIN inc rloles
tolls, DuV Us CT no means OF Hie1sur
ing TINS onemieal lniluehce mas pee'
Uncovered
TIC question among thongh'inl, D'
unsciehunG iarmefs' has oiteh Deel
raised Nhlch eNert5 inc most oene ucln
influence on vegetation, the morhlDl
or afternoon rays OF the sun MOS
iarmers have sld The morning rays al
more oehehelal' But ordinarily IN
evening rays proceeding through AIRY
or atmosphere have been proved TO .
superior TO the morning rays as Va
morning rays ordinarily pass through
molster atmosphere aho moisture an
CLOUDS are uhiaNoraole 10 Tue highes
chemloai eiiecS OF tne suns rays O.
plants VI al condiionsa Vertlca! SUI
puts vegetation forward the most raj
idly' both ON account OF the create
neat OF the vertical rays, and the grea'
er reheclon' put because the chemicf
ensct oil the suns rays, IN consequence