Edgefield advertiser. [volume] (Edgefield, S.C.) 1836-current, 1871-03-30

cent the mixture for the crop will only contain
four or FIVE per Soluble Phosphate Your second TACT
would now become operative and the planter would have to
double the quantity of his to obtain the same result as
in the first -,
There is another fact which, this connection it would be
we'll to bring to the attention of careful observer like your
self is that superphosphate fertilizers OF high grade
there phosphorc acid in free state and when placed IN
the SOIL will materials contained there ana renaer
soluble of the essential elements Thus in clay so the
cc acid would be displaced and the potash INTO
combination with the phophorc acid would become soluble as
phosphate of potash.
There are two other mentioned your experiments
of very great interest," which would attention.
first as to the effect fertilizers rus second to dispen
sing with particular ingredient which the soil supply
l. Upon the first point you remark that by the comona
ton of Peruvian Guano, Ewan No potash and Soda not
only was the crop increased considerably other terzer
but what important STILL there rust where this
combination applied which two separate helds
apart and where had rust than on any other
portion of the farm" Now it is most important enquiry
which these ingredients this excellent result
s DUE Our Etwan being manufactured with those precise
recommended your letter. would enable to
repeat the experiment without difficulty and the result
ed YOU as to the superior product of cotton your land by
Ewan No. Peruvian Guano would to prove that
your soil way furnishes ammonia and thus mght save
you very expensive ingredient.
And this opens the second subject you will refer 10
the pamphlet circular issued by Company you will see
detailed from Professor Ves experiments MODE OF
ascertanng what elements the soil and what IL wants
there should be any ingredient the SOIL OF Maron Whcu
would supply nitrogen, it would be most valuable 1act 10
know Gas from of your experiments it seems key
there should be some potash which these manures
may disengage, it would be we'll worth knowing.
Allow conclusion to bring fact more to your notce
which NAV somewhat for the improvement OF soil to
which you aude subsequent years from the use OF our
native phosphate manures.
The reduction of the phosphate OF lime contained IN our
phosphate rocks by uphur acid results in two
releasing the phosphorc acid and thereby making so
BILE superhosphate the other in combining the suphurc aca
with the lime which has been released and thus making sui
phate of psum The residue therefore, OF fertilizer
from Carolina phosphates by means OF large
portions suphurc acid and above the uperphophate
consists of an excellent manure which, from year to year
becomes dntegrated combines with the SOIL and renders
permanently more productive. =,
With these explanations before you trust that you will
your we'll conducted for at least another
year. and acquant the public with the results We would
cordially offer supply you with material for expert
ment but that case might be objected that the material
was selected bea just average sample So that
the plan certainly that which you seem to have pur
sued of taking your samples from the general market
With much respect, your obedient servant
G. G. MEMMINGER.
President of the SMphic Actd and Suephosphats Company
AN EXPERIMENT WITH FERTILIZERS.
Editor of the Ruraz Carolinian
By the direction of the Coeton Agricultural Society," at Its
meeting on I'd day of January have been requested to
and you the enclosed report of Expert
ments With Fertilizers with the request that will insert
the same III The next number of your magazine
Coleton County, January lS, 1871
The Committee Cultivation and Improved Fertlzers
having accordance with the request of the Society," procured
small quantities of the Fertilizers below named through the
kindness parties Charleston representing the same tested
them piece of very poor level sandy land that had been
aroP-o hutO