842 THE 
AGRICULTURAL GAZETTE. 
in the matter, we certainly un not lay in a 
stock of green vitriol to begin with. 
The follo owing i is Professor ndn s account of 
this substance : 
t E iron which are known, there is only one 
rice) а — ^Y riol of the omaes —that occurs in ad - 
it Hie а few 
EB 
2 
y his se xide of iron, 
containing a little sulphurie acid; but by the nm of this 
oxide sulphuric acid is left in — sin the m T 
becomes sour, and still more injurious 
i with iron — дооту 
ATTI 
of the perci Г this salt 
t rid of it 
l that it 
at, by the continual 
rial may be 
ашай: j^ adds caleareous imber а which | have 
this Sane уо тау be hastened; арӣ it is not | i 
the iro 
n is peroxidised and harmless, and it is 
not till the sulphuric acid is combined w me, 
also harmless, tha 
ith li 
e manner 
g manure or vegetable structures of an 
its ric acid, -— that 
ith the i iron, and that whi 
ing liberated from t 
ion of the air, will unite with any ammoniacal pro- 
ducts s this vegetable decomposition; and soit may 
mdi tive and a 
wo 
‚| which [guapa Daur 
repor colum 
pages 23, 24, and 25 of the pamphle 
e 
е | malted in the ground, and the 
therefore sustained, by а large fla? surface. In the 
inary carriage 
kom ath th 
onveyance—for wheels sink ibis cp ground not only | 
becid they are narrow, but because they сагу. | 
present a curved surface to the land. v, Messrs, | 
BovpELL make | 
their circumference, a number of flat pattens as it 
ere, which, as the wheel revolves, are Uer 9 rolled 
over, and lifted ЕЕ. orming, in e 
in in the n they ar en 
^ Lender is а su 
o what extent it has yet 
gone, any opinion on the merely mechanical ingenuity 
of the cp md is of little value 
We would gladly give insertion to the €— of the 
€ M v n" edition of the ** W N SEASON 
containing, as it di. katër re- 
foring К the ved Esos of clay, of no small import- 
an eultivator ofthe soil. Our purpose in 
publishing that — of it, for which alone we 
o advo ocate, as for general an 
rule by 
ch w e been 
where authentic results in agriculture are borne out 
by sound principles, to give our readers an oppor- 
tunity of judging of the merits ofthe case —À(Ó 
And this they will be the better ws to do, fo 
fa ll and valuable — whole >= бщк 
y has vie it in the lecture 
orted in o 
The enthan in "his те to those who have tried 
this plan of growing Wheat and succeeded, ais 
first to the history of the 4-acre piece spokeh o 
et. e says :— 
he кеи of the first year (1851) was 41 bushels ; 
of dd spun (1852) 30 са — e че third year 
(1853 шу 26 bushels. was difficulty in 
accounting f or the shorter ism in m 1852, sin since the early 
sowing season was so hot and dry that the а om d 
field was ith 
then readily p 
м only seed 1 eould ae dint 
d, and оен yielded il. 
; 80 v 
o cdm хм manure tan 
f 
osphoric acid insoluble ; for while its sulphuric 
acid тше with the one, its oxide of =. is uniting 
e other—and this -= at once 
phosphors a mek in the s е of economie ma 
by essor аот nd it will m 
igi he en en (р, 428) 1 that iir with peroxide «| 
eR is enumerated as “insoluble 
gi в the character of green vitriol— 
E lly Басса: with its оп] wie bin 
ly neutralised : and yet this is the characteristic 
dient of th h 
e eco e gypsum 
and the alkaline sulphates e present 
have indeed proved agriculturally useful; the 
latter in particular instances, the former er generally, [ап 
pplied in 
many per acre e affair is a blunder 
And if, in spite ofi it instances of its usefulness 
m et Ge only < sorge Ax —— 
are 
Tecords n of экз. ает y fendi i in the field 
of Wiüdi- ther e has з been , no extraordinar cause 
appare A 
sometimes fellow е application of ? a manure, how 
r WO it ma 
Sechs em im. y be, just as it sometimes follows 
ow much worse th 1 
M - an blundering Mr. Соукмкү 
this usines may have been we do set 
| readers have now b 
ample iiie round of ебден upon t в «чета 
ins = Mee has been i Borse 
zw to be carried on it being borne, and 
opinion of Ргоњо 10 agricultural experience to sanction this 
derivable from the apium, 16 however; апу advantage were | & 
Mi ar ананар ite nuit f ної to а caleareous 
Tesults of that decomposition in such a case, one of ihe 
u 
was ar а. as a B 
partook i те п 
" ——— e and, aute it still gave a very high average 
But the degradation of 1853 demands some co 
rat harvest no one, pem ut of the numbers 
who inspeeted it, gav ate of less than 40 
bushels. The ind, therefore, had produced the crop. 
t the season in n the grain ; 
yield par ral and unheard-of 
for the year, thus defeated ef my hopes by a 
вечерно to 3 Poles and 2 bushels. 
of the 
че" elly loam, with.a subsoil containing less of Ач 
m and more of the gravel as it descends. 
T order therefore 2 preserve the mineral wealth 
of the soil, which successive cr heat ате sure 
to diminish, asupply ноа is needed, and the 
following describe es the eden which it is баа 
“А Ў 
S 
where it was m 
parts where the аб. аа 
raised, turned at spring and during summ 
after “Әшен and when the stubble had been pud aud 
burnt,it was carted on to ral la ий апа — a 
rolled, and harrowed i e is 
diges 
Setting ей Jori the cases of pur 
E 
it lies unmoved and co айман. Эйн do мыйы, Ds 
* Thirteenth Edition. Ridgway, Piccadilly - 
their wheels carry, Ра along г 
d at 
whi ch its author exi 
e | growing at its si 
h 
past harvest is estimated at 
a | contact with Kid c. 
е converted into 
853-4 — lot of clay was = 
т; and 
| known 
experiments si o 
d position, that is, as | 
not yield up its hid ааа е 
wholly insoluble and а 
jii 
Н Н ЖТ 
ШИШИП | 
н 
The ammonia 
: Miei is dá absorbent of thai - 
osphere ; and the labour мо pense 
nir in a ре measure е, are throw * = 
* I come back now to the 
To of; simply bringin 
вш 
y is rendered 
aval ble for the wants of the tu provide plants, 
* Such has been my proce —— not naturally 
Wheat land ; and there can doubt, І conceive, 
that the good effects of eoe њуд: nergesin 
of clay will survive for several y Cpu 
inexpensive ; for one spit i deep ibd now suffice for фе 
ging of the intervals; since the mineral «баби 
Биш alread xd on the surface, no double digging need 
sen uà "a m below 
Às original experimental ground, which i 
strictly Wheat land, “+ le h crop of Wheat ise 
orous 
£5 
ds 
othin 
self. evident that w 
ad to be торуну to "the шегу is at 
under e spademan's feet ; when d 
brought to the hats ce чаль winter, it has а te 
dde! fallow at эим, ie а full erop of Whest is 
; it is А 
without - common -— i a, 
rop." 
loss of а 
word to those who 
неа, concludes with a 
ot sù 
ave tried the p p cceeded. We recom- 
mend them to procure the pamphlet and siad d 
whole process in its "pen ciples and details, 
which are amply discussed. 
S-WEEDON: 
A LECTURE ON a Ee MR. SMITH'S SYSTEM 0 
GROWING WHEAT. ST 
DELIVERED AT OXFORD BY Dm. DAUBENY, "T 
PROFESSOR OF RURAL. > ; 
(Conciuded from page 828.) 
The following may also be sugg " 
possible source of the supply of nitrogen Wr. 
Schombein states that a ее when 
or 
being at the sa 
durin 
in 
ra 
tenable 
M Accordingly it is not difficult TEE 
far as the organie "contient А; а 
e traneous 
died 
inorganic ic consti 
is 
nly one need detain 08 uper 
ih "fori itis well known à — all ordinary С gi A 
е 
АТ 
contain 400 o 
showed, that in all'the cases cited еї се 
еге in а mascent ‘state, bt often 
cbserved at in the nascent state oxygen 
