EEE ТТ+ТГТГЁуЙ[[----—= 
LES 
44—1853.] 
THE. AGRICULTURAL GAZETTE 
699. 
stated 
for it is trea ted a t length n Season? trated state, when it {orms the oil of vitriol of c commerce, : 
(рр. 18, sid -— 20, 110 edition). With — — to this, po is very impure 
eulty in getting the faets there 5) T 
ihere is 
3 of any given soil ; and if it turn out 
that — are ge itis quite plain tbat on the eme 
majority of e and loams, that * wef what n- 
— — i ficie inorganic fod 
— 
— 
the ret leaves it in a 
It will be seen also, from the foregoing figures, that 
as proved in my case very — M giving in 
the system has 
a net average profit of 3/. lls. 4d. p aere, or, 
it to be a whole acre, — measure, o 
= сач ы 
7l. 2s. 8 
M — was to follow, with the greatest — 
throughout, the directions laid down for my guidance, 
m wou Tn no 
ake a pui — of the 8 acid of | 
also 
е а solution of a known strength, | 
much it + will take of ‘this acid | 
- SÉ 
commerce, and 
"à of soda, then see 1 
o neutralise the basic reaction of 
гэе by means of the alealymeter. n yo 
from knowing the strength of the soda — — 5 
late the strength of the sulphuric ac 
as works, ме кы carburetted — an 
ea meas of coal gas, whi ch i and pa 
m to tale carbonio acid from it and purify | 
gas principally owes | 
hydro- | 
it, when it it 
its powers of of light to light and * carburetted 
gen; when it burns in the carbonic 
are form — — r mell, &c. 
91 n of the greater light of an oil rn m is 
that sco peas much less carbon and more hydro 
t T 
0 Ibs. of 2 of soda — a - of 
lbs 
longer be Mr. yo s I swerved gent 
from}it, and that Mr. Smith тамат о longer be respon- 
le for whatever жиг: бле might — but only myself. 
Ikept close, therefore, to rule, except in one instance, mo 
where I swerved n е еони Ре ; for I thought it was 
intended that the intervals s c at o 
on entering on 1e plan, two full беору — up to 
i n closer 
examination into the prineiples — — ^ prac- | 
tiee of Mr. Smith I found I was wrong ; ý and 1 mention 
1 
é; for the first мз or four 
wi cae enough. For example: if 
up te the 
only just so much of K 
4-acre piece 
character i mi LE anly 
20 inches deep at 52 which was 
— to the 
8 i so that if I had. 
respect, my net 
annual profits from my half aere — have been 
— 4d, нб 101 e ce ЗІ. 115, 4 4d. 
or early sowing—a solid bed for — 
s stirrings * meee — . pulveri 
nter vals, 
Wheat, jud 
and well . 
ц ports have been Published of wan "t or success, 
nay, of —— оем on this plan. 
diseussion all statements of this natur 
elicit the por it m t if I ed [e 
humbly to express my opinion—that the very first me * 
before eoming to judgment on the m h 
be to ascertai every such reported case, whether the 
conditions were strictly carried out, or, owing to — 
cumstance: ву evaded or or neglec ected. H. Jones 
Lois- Weed: › ба. 1 
ROYAL AGRICULTURAL COLLEGE, 
N. кина, moa CHEMISTRY. 
R. R. BELL. 
JM е. awen e following are answers 
be found at page 474. 
P ) The коерун. pt ne Atmosphere i is about— 
20.629 Ox} 
041 Carbonic Acid Gas, 
840 Watery Vapours. 
100.000 
Besides this, it contains ammonia in small quantit 
arl 
te pr ial source of all th | 
За.) As Eas India is is the chief source of nitre, I| (in 
well earthed 
The object of Z here 
give the figures of the caleulations from which the Е 
results are derived.] 
(la.) Limestone, which i 
ecce chiefly carbonate of lime, with sili 
magnesia, when burned loses the carbonie zd an2] 
any water which it may have contained, and bec 
-— into qui 
the soil in very small quan 
and carbonat 
shall give a ME T nof i 
T is so full of it 
Fi 
e sun, | 
The 
isation. 
into e * solution is then exposed to th 
and he tp sry tallise d sa — 
gra t 
nitre is purified P repeated solution and erysta 
, Nitre is very combustible—[or, rather, assists combus- | 
| tio on]—as may be seen by its being one of the chief con- | 
| stituents of gunpowder, on account of the quantity ог 
oxygen it contains. 
(5a.) Su piae kd 1 can 2 be detected when 
ammonia, by heating some о 
na a Rane ae 
ak ook are all volatile a d 
will be a residue left са іс ag 3 k — 
overed, to prevent Pun of the contents fro — ng . 
(6a.) The coprolites 
n the farm, which are for 
art pseudo-copr — contain principally phosphate о "d | cannot be 
chin 
im with oxide of ir well as 
(7a.) The way to ae i — patag for | in] is 
as follows :—If me solution be added 
) muriatic acid, "dew 
of ammonia—no ate of am- 
| —— precipitate, — eating “sonar strontites, 
or lime; (5) th of solution add | оо 
to fresh 
sulphate of lime, "n бее be then n 
vil prove he presence of lime. 
monia 22 a — preeipitate (oxalate of lime) wel Y 
ime and irapa 
(9a.) Me are е оа in nature as oxides, sulphurets 
(е. g. — of mereury or einn uc pirme cag 
| (common ist "Then their че дун oceur in com 
i € ; hence we hav 
— can a rid 
acid and water аз 
lzy Ibs. o . 100 lbs. of 
nce nitrate of potash contain 13,47, Ibs. nitrogen. [We do not 
8 Los made to 
e, but it occurs in do 
lani every ое а мер ac 
The state 
near the са 
а rey is P — hed 
If the ammonia salt is | 
not M there will be no t as - "i s | you 
[P 
; (2) sul- by your 
| гарата ee ene precipitate СЛ bee -— 
; (4) ear 
| better tim a farmer without hope is like the world: 
without ion sun. D, 
Sowing Wh this d: is in full 
.— 
bushel to the aere, but 
and desire they € sow only 7 
instead of 2 edis bat if the seed is i 
| light, as some will be 
ene 
ears, an abundance of tailing lies on the bi 
‘floor of those who, 
n * Ste y чөт ens on the маш M. Vd 
beter b the , and open his sy м ta and give 
worthy Mechi a * ell visit the Banks of Tweed; or the 
mbe: 
belief: Go a 
To Mr. Mechi: py n 3 great eredit is due to 
u for the ey d and very valuable i you 
I bare 
liquid 
of yours which I have alluded to occurs 
of the article, “Much im- 
e liquefied 
anure.’ always of opinion that it should be 
used prior " fermentation, and as I have laid pipes, 
| &e., — the pur po 1 
tion, 
the anuro in ite best tate ; I therefore wrote to Pro- 
— Frankl ^s Colle 
his qum which i is as follows :—* 
"n theliquid manure, but 
as p n fresh urine the anda de ig. 
fixes d in the form s, and it is н оо os ричи, 
| fermentation that this u urea chan 
bonate of ammonia.” If dis. statement be true, “then jt it 
ood to allow entation, or to mix any- 
сап be по doubt 
Бенет dent 
other Po of the- 
it is a very deficient crop in 
The short quantities delivered t miller 
immediately after harvest, by those who bad sold their 
“oka: title the еу т a it, would be 
suppose (which would be very 
een that d thé i many instances of short 
der my notice were the resul 
rapidly sing p have just threshed about 
" acres of Wheat, which yielded 10 quarters 3 bushe 
I T M of th 1 
һе * and although a good sample the 
the Wheat is not so- 
hile heavy 
The quality of 
8, 
(2.) The presence of ammonia in the air can be proved (10a.) Sulphate of soda, Glauber’s salt, = NaO SO, 
decur three or four i iu water just after а | phate of 1 a, Epsom salt, = Mg 080 
wer in (as the water, in passing through the air, | Сот et = NaCl grown 
takes in solution some of the ammonia), to it add some | Bio — ot potash д = KO, р: 
ш id, in order to unite with the ammonia and | Smelling salts T. oe = NH,OCO,|J.C 
form a salt to prevent it from being given off vitriol Suo derer vr NOS ӨЕ Land 
while you are evaporating the water, which you will do 77 
next; having evaporate dryn i E 08 i a con 
Tesidue of muriate of ammonia is left. this wi 8 observe tl 
Макей lime, and ammoniaeal gas will be given off, which aie: . [of my co ; and i 
— only smell, but which will em ite i advice, I would recommend h p 
he vapours of muria A Crution.— Farming is never learnt ; here am I, himself to paper, to Vnd, Nd je € more care- - 
Ed diamond may be distinguished fro — rather an — e fully. If he will do this, it T pen save E 
ish diamond by its burning brilliantly in oxy- man. t a ugs were so mischievous во earnestly vouring statemen "n 
ка. cid gas. 8 dyi й afi der fo ving sown were never and w: uch fine caustic satire 
Ey? orming earbonie a 
5-5 = 3 xd is 4 * pared i in large quan- 
um pee in Nc. g manner :—Sulphur is 
bee forming 8 acid, from 
beg Prat where it meets 
which it takes one 
id 
S шаш ina е торна 
ior md [y that Le seii me years to 
— — 
id hl 
four acres of the 
u 
3 bushels куе — be at а cost of 93. a bushel, I find 
as the above | draini 
e as soon 
pr гы 2 1 * am "d had I phe Wheat the case 
would have been the same, and therefore 
* cauti 
these MA lide slimy с 
ndent, 
destructio 
Very serio us indeed has been the des 
es BP as it 
important o operation of A AC е6 ps for seria i its 
bring the hind round toa at 
