49—1852. | THE 
AGRICULTURAL GAZETTE. 
—.— 
priced man such as po — age oa Pe and 
ae seldom . e manures, which do 
afford a . wet ee field for the enterpris- 
not 
ing adulte =~ should commence with guano, 
which was ray most important, and that in the adultera- 
tion of which — uoe ity h n display He 
believed adulteratio al entirely confined to 
ian gua d, gypsum, and chalk, 
25 
general d guauos may be 
rendered intelligible by three analyses o one of pe 
d adulterated with sand, and a third 
either with coprolites, or a mixtu 
coprolites, with | gypsum, had been emplo 
No. 1. No.2, No. 3. 
eee eee eee eee 12.98 15 32 12.06 
— matter, and ammoniacal salts 53,32 22.61 84.14 
Pnosphates 18.79 13.37 22.08 
Sulphate of lime 11.0 
Alkaline salts 14.87 11. ol 12.81 
Sand 0, 1 cria 37.6 7.83 
100,00 2 100 00 00 100.00 
17.4 526 9.77 
The last of these represents a sort of —— guano, 
of which e quantities are gr Br e and of 
which quantities were imported from the Thames, and 
also so 
n 
tised escaped detection, as it is an excellent imi 
ion of the genuine eim and instances had 
in which the detection was gossa 
circumstances. curious 
1 of some articles in the get Chron — 
e 
from a class of inferior manufact tirera; who e 
deficient quantity of sulphuric acid, and a quantity of | 
coprolites, and they reduce the sulphuric acid so low 
it does no han 
that more t de 0 — of | 
lime which they contain, without a any of the 
oo pene etecti h ples is easily 
re bulls = ling water, filtering of the fluid, and then 
addin onia, when, if the manure contain 
phosphate, a n fe; appears in the fluid 
absent if the ae . Immense pers: ities of 3 
manure are — ah we heard of one establishme 
which the sales —— to — 40,0 po 
The adulterati 
soluble 
„Which is 
occupy 
them are i sufficient 
of soda. Nitrate of soda 
loy a, “auxil 
C32. 
| lull their tenants into the belief — — chemi re 
are unworthy of their consideratio hilan- 
thropi isan not wantin ng who hesitate at a act of 
self-denial, who spar ble, an dg pense, 
in so laudable an object as bringing science to bear rv 
the a of t n large towns, and sure 
it is anomaly that i in 1 the landward dati of — 
5 where * 
an attempt to bring science 
—.— 
practise is left to languish and pdb Si defeating two 
f inferior manures sold under 
mostly consisting a dissolved bones 
with 25 „ nitrate of soda, & 
peculiarity of 5 wh that they are "toledo to 
issolved bones, and are genera 
ures h 
= 
1 
ag i 1 
to ana eee and that they deal only with men 
lished character., ich mean 
, the principal | 
mos 28 —on the one Aue the obtaining 
of an 1 * and on the 
other, the elevating to a higher intellectual standing 
| agriculturists of nt and e 
I have no fear of becomin — reti 1 
never visited a ing yet, where I the d 
heap properly attended to, and anxiety displayed as to 
a safe selection of what requi to be p 
chased, but the some theory, or in other 
worin had some scientific principles to guide him. There 
t diff ubstituting theory for prac- 
tice, and calling science to the aid of practice. I 
therefore we n privileged to secure the 
services of so eminent an nted a chemist as Dr. 
h > 
a —1— of entering upon 2 
field of i inguiry, one may say, hitherto unexplored.— 
Mr. Thomson, Peffer Mill, rose and requested permission 
to make a a short statement of what had occurred to him- 
, an 
so well stated by yw Pi hata 
spring of this year, along 
ten- 
hile e nothing 
comm We of Peruvian 
it is rarely practised with the other varieties, a 
are sold. 
ano had Po 
— Page oh ag 
and 
1 
had 
owed its 12 to the * of the collector who | searching test 
had sera 
ped up all they get. In these cases 
nothing but w the sl test 
the e 8 * lysis could po aai e igh use, as 
same 
portance of o 
r e ge differen 
mixing ther. 
nes and superphosphate were pro ohan adulterated to 
extent. might remind them 
we tan i understood, bones 
o7 
Ph 
— tate. At present, however, 
are never made exclusively from ee fs Prag 
2 quantity o of coprolites x always employed. In 
Some instances, the ey are Nees — . e e ; 
these cases, w mal r 5 
e quantities o 
ulte- | sea-salt 2 he This was 2 Profleor Johnston 
sere 1 5 to the Agricultural 5 — 
eo — 2 
s, sample an 
aer occasion 
On 
— 1 in Leith, perg ee e fro ‘ats 
experie 
essor Tobin i aed” sitho ough | 
by Pro 
: Lesy ed "nyse N many that got portions of the 
cargo agg: ufferers. No 
0. — cases tery 11 
- | tive but to 
urie upon which heir whole ES 's exertion 
rage which dò ‘not e laro who: stan 
These samples emanate 
| respectable parties Arid acted as agents were cognisant | 
of the r that existed. Last year a Mid-Lothian 
rm e to inepect a a field of 2 different 
red with different purchases of 
crop of Turnips. But I ask, sir, what 
to be obtained that will compensa 
cripple, nay, rui 
peed other "crop or rotation goes to swell the amount, | 
ter Professor Johnston’s appointmen nt, a very appa- | 
ret heiss was given to the attempt to palm off those 
rated manures, and why 8 rs for | 
a while would buy ‘nothing but what would bear the 
of the echemist’s cru fo 
25 
acqui ef that — 
dovi Madin there is no stir in camp 
oe “a anew, and hence all this 
that 
paid by some 
$ 
ou about — crops. 
outers dreds and hundreds are 
gnano an si si other 
any test of th eir purity ; thus, in short, placi 
shillings oink it would cost them for an “tai 
ssible failure of iheir whole green 
readth of seas La 3 hardly 
than 
crop break ; it is ain only ihe loss of ~ Turnips, but 
man 
by some competent 
manufacturers 
e manure arm, but also 
protect them in obtaining those, they! seve no pede 
. fact, giving the 
tural commun security i 
s de 
e landlords Era pe yede it 
hear 50 
possible I may ot as 
is for our ten: panis to run sue 
; | easil avoided 
e how foolish and short-sig 
aloo 
8 
ing to 
support our 
bee 
Fr 
í mer e riy publieation 
2 i solution. ton may 
ir, may I not wi propriety and man 
7 * 
a | principally a py 
In two or three days 
after this he called, astonishment may bè — 
when he was infi what was 
yw 
d held out to be phosphates, was simply silicate of 
pe ay (pipe clay), and a e of brown earth and 
nd, which he stated to ectly valueless as a 
y having got =m infor- 
es from 
instanco 
gro 
rine Pom but upon no consideration 2 make a 
ase from any one, without getting 
resenting its value as 
upon getting it home, get a fair sample of it 
pm 
printed analys 
a manure, ey immediatel 
anal. 
er 
ul 
re 
re 
** 
is 
4 
use 
rson, and thereb 
to offer gd for —. tw d the real 
Simon pure.— Sir John Hall expressed his that 
those who dealt wre, with Antony Gibbs and Co. 
were safe from adul 
cellaneous. 
at Ardfert 
Quarter-ill 
winter, 1851-2, Mr. 
dan and as 
eattle by the 
neither the cause chit shag fave 
E 2 uce ced the dso, nor a remedy Jor its removal, bas 
rtained, in order to obtain 
N AD A 
on prog e subject, 
| description of cattle that died, 
rant 
time in a state of nature, roducing nothing but 
Heath. = had it drained, ‘rol subsoiled, KE tilled, 
me, green 
nd 
uced abundantly. ware. 
somata: Damme 
