Deseret evening news. [volume] (Great Salt Lake City [Utah]) 1867-1920, 1892-03-10
AnrIFloAL AZ aAsNYAno MANuaga.

rhoit Composition md Vaiu,tiona. stated
by scientific AgricuiturisL
The functions of manutoa. as briefly
stated by professor Of the University
o. North Wales, vino ha. conducted
extensive manuriai experiments. are.
L. IN many cases the Improvement Of
the mechanical and ph,atnl cnuli-
tiUu mud the texture Of the s9il TO
which the manure are applied. Tins
limo. when applied 10 sour land. decom.
poses. and therefore renders harmless.
thc sour orynuic acids whose presence in
She aoil IL ihc cause OF the sour or acid
condition VI the land Whcn iarmyarl
manure Is applied to land th, tcltufo
anu physical condition ui Che soil is
much improved by the organic matter
OF which this manure b. largely come
posed 9 IN many caHos mguurri act
on plant food already present iu tlo soil
aud convert this plant food into such
condition that it can be- absorbed by the
roots OF plants, Tine manurial volno of
limo Is due principally to the action of
this manure on t'o food OF plants al.
ready proa,ut iu tho soil D. Tho most
important function Of mnuurcs Is 90
supply plant ioud necessary Tor the
growth OF rfops which IL deficient iu the
soil Tho necessary constituents OF
plant food that are generally deficient
IN soils arc nitrogen, phosrhoric acid
and potash
Nitrogen occurs In manurcs rs MI
tuics, g. e., uumto1 ~ soda. ammonia
salt, G. y. sulphato % ammonia, o..
gnuic nitrogen, e.. r.. dried blood. Nj.
tfogcn ~ nitmtoa ~ Immediately ayaila.
bic os plant food Nitrogen a. ammonia
salts soon becomes available. Nitrogen
as organic nitrogen Is much moro slowly
available.
Phosphorus acid. combined with lime.
Is gcuoruly present In mauures ~, m,0l-
nhlo phosphntc Of lime. .. g., bono meal
aud basic Stag. soluble phosphate Of
lime, e. f., suporphnsphatcs lnsolublo
phosphate of limo Is converted into s1lu.
bile, or Euperphosphatc. By treating IL
with sulphnric aeid Soluble pho.ph ,tcs
ufe Fenomlly moro nrtivo than iusoluulo
pho-phatts In promoting plant growth
Potash Is tho valuable ingrodion, Ia
kainit and murig,r of potash, Potash
has generally better effect on light
than on heavy soils. Slpcfphosphatg
mud nitrate Of soda should uDt be nike
or II mixpd must bo sown immediately
This also applies 20 the mixing Of basic
slug and sulphnto Of ammonia.
Artificial munurcs should b1 Uur,
chased on guaranteed analysis, aud
the source from which tho io.tliaug in
rrpiiCuB OF tho manure are derived
should be- stated This prccouion Is es
pcc.Hily necessary In purchasing bon,
ct mixed mauur,s. The percentage o
nitrogen ina munure should 10 state,
IN It's equivalent oi ammonia, that Of Ia
soluble phO.phoric acid as phosphate oil
lime. soluble phusphuric acid us phos
plate OF lime, .ud that Of potash sale
IN theig equivalent Of potash. Artiacia
munures afJ valued according 70 th,
quantities Of nitrogen, soluble phosphate
O. lime, iusUluOio phosphate OF limo ga,
potash they contain.
Earuyard manure contains III tho In
gradients OF plant food This manurc /
exceedingly variable IN quality, Ne ia
quality varies with the nature OF ia
food given To- tho animal. the nature am
amount Of the litter used. the mctbo,
by which tho manure 10 produced M,
It's treatment from the time Of produc
ton until 1t is applied 10 tho land.