21 / 42
20
sight'of:the.allowance that
shouldbe,~nad~in
fa-.;orofG·nano
on this.l1ead,.H will be fonnd that
J1
pound •of Ammonia, in
G11ano, is solclfor less tharra pound of; votenthtlAtnmonia
in'
other fertilizers, and the samo of other ingrediente.
No~
l.
PERUVIAN GUANO RECTIFIEO.
As we ha
ve
saicfbefore, thls brand consists ofpüre Guano,
.niixedwith Slilphuric
A
cid~
The treating of Q.uano with Sulplínric Acid/,has
.two
ad
vantage~:
It
:fixes the Attnnonia, rendering itnon-volatile,
·~h!ch
p1·ev:ents
its
escaping,
e
ven wheu placed toq near .the
snrface,. howover ...warm
~
and dry ·. the weather may he;
~~~ides,.·in
this shape theAmmoni1' ismuchlessliable.to
injurethe germ,. ot·yonng plant, should th.e proper precatl–
tions to .prevent their c.orúing into .close c():q,tact
with
the
Guano,.havo
be
en ·l'eglected.
Futhermore, the Phosphoric
A~id
in the Guaiwis rendered
more soluble and conseqnently more. e11sily assimilahle
by
theaddition~f
Sulphuric
.
A.ci(L
1'he·. practico· of
tr~ating
.·Guano by•
Snlphuri~
Acid was
introclnced in Eul'Ope abont cight years ago ·and ·has. given
unqualifiedsatisfaction
h1
Germany, Englan(Land .Franco.
The mixture
thero (:alled '"Dissolved Guano" and
admitted to 1'ail.k
..the
:firs~,place
arrwng. ít;ll fertilizers.
Dr: AuousTus YoJ!)LCKEu, Ohornist of the
Roy~l
.Agricu1-
tura1 Societ;y of England, whose opinion is
an. auth?:rity
on
tllo.subject
the
world. over, thus
expresse~
himse1fin regard
to the Dissolved or
R13ct~·~ed
(}nano:·
''lt
is tJ¿e
'tnq~tpow~r
ful,
.intrÍ71;8ÍcaUy ..valuable and best prepa_red .com:J>Ound
fer#lizer
wMqlí
J¿as ever been brouglít under.my.
r~otiqe."
In
this Guano, as
in
.the '·' GuaRANTEEr>,'' all coriditions of
i~te1·estt()
the[armer are war:canted;
lt
is
in adry, powdry
stat~.,
free from all impurities, and.the Ar¡alysis
is
printed
on
eaeh
hag.•.....· ..·..
..
.,
'' REoTlFIED ·
••.G!J'aNo," ·
.. like .the .· " .Gnaranteed '' d?es
represent
~ny pa~ticnUu•.
grade.·.
lt,
may contain. ouly 4 per
cent.
Ammo~lia,.
or
it
lnay hold 10. per
()CUÍ.
or even more;