49.—1845.] THE AGRICULTURAL went ri 
821 
eee THY) arn 
DoYAL AGRICULTURAL, SOCIETY OF 
 ghowenn xy 
Lyon PLAYFAIR, the consulting chemist to the Royal 
ea ‘ultural Society of England, s “kindly pe oe to de- 
Tiver Two Lectures before the Members of the Society, on t oan 
fon of their ensuing Gen aoe meee at9o clock con each 
Wedne the s uU , and ‘Thursday, the 
cember, on the following subjects :— 
uh Bere the Causes of the Potato Disease, and on 
retarding or arresting its progress, 
cu pies upwards of /U terseiy Wt 
ollowing are the main points’: $ 
—De 
theor ryis considered unsound, for no foreign organic 
ie | If a frozen Potato were thawed by =n 
4to pages. The 
Can DOLLE’ s 
to think that: the vegetative power 0 of Potatoes 
t, if not in contact with water, and if 
al mea: 
of ma: crop which | 
that uniform Saya as between the 
permanent ¢ to the dis pare es of the Tatter, 
l din corda: ance with | y 
sm 
athe 
Pahing 
ns, k 
t wo ould, of cours es 
Sd 
e | be “destroyed by the decomposition that would ensue į 
d be well if we 
would note e operations of nature with keener obser- 
1 fa cts, an 
a Boot za a a future Forom i 
C Pota es. On t ĮI nes 7 ents at 
whi ch wou á have been expec 
and, 
he differen 
> 
3 ht wp the Pota. 
7 i found 
rer een the shifting 
} 
f, 
th 
t 
nere [soos 
annoying among 
presence of excrementitious matter, but oh e 
AFEA from the soil of matters 
an food of plants. 
eas | -< The history of (each of the crops exper 
oad WA age were for the 
GENER RAL MEETING.—The DE R GENERAL MEETING of 
be held at the 7 : “house in "Hanover square on 
ay, the 13th of December, at Eleven o'clock in the fore- 
By order of the Council, JAMES Hopson, Secretary. 
ndon, 3rd Dec. 1845. 
|i ‘Wheat and Clover. These have. had no care be- 
probably 
respec 
daring nis ‘years. These ind 
un rsally the superiority of the shifting crop ov 
he 
ted 
pon is given, hibited in the pon 
curred lines, the height of which above their 
2or3 mee a the surface. 
r I bate already do 
l and And 
and had 
uld have been rap, ari safe if planted o on.: sage ce 4 
m: fine by t 
e aog ie chen se set u up int o dells ; but I believe 
ney w 
1 
that 
A Mig | portion of this memoir i soe voted ‘to a| 
s of th 
SAT ATURDA Y, -DE JOEMBER sd Spa 
INGS ron THE FOLLO OWT EAT 
— 12 Lo ndon 
— Perret E Imp. Soe. of Ireland. 
— 18—Agricultoral Society of England. 
gies analysis alone that the che- 
nefit the farmer. The Spey. 
e 
hi hi - SPE 
4 | hindrance in the way of a more verfect k howigagh 
of that texture which mi st fit it as a vehi- | (to be derived from He Tartaria of the chemist) | * 
ent to their roots. ' Infertility hereafter, enabling us cola: ate Aa ragag and | 
d by y texture of soil or rs, those 
sen 
th 
s, con- 
[in by Mr. Way, Prof. y Chemistry A fake Ciren- 
| cester Agricultu ral College. There are m 
connected with these analy ses which we sho 
to have menti: tioned ; espe ecially the | mode exhibited 
ts true 
oints 
any 
uld like 
en ian and eating up the en JI ae no greeny 
rt 
agricultural value; “but want of room pte ie us to 
this. 
whole Poukai and partly large ones cut in two, 
was = or mova e visible ; but, were I planting now, 
e I hay the destruction of so many Potato 
oar in the gibih = I should cut, all the sets, 
ing 
ay them on a floo: eae, i we dust them with quick- 
ne, turning theii at the same time for three or four 
ve a tha t the lime might extract any super- 
defe 
The results of Dr. 
be fairly eet Pra as sitet 
theory ; and it thus appears to us 
ENY *s inquiry mmay 
<i ee s 
I do not pretend to say that autumn 
tth iling cala- 
is no 
mi such re is likely to be merely accidental, for 
i ata 
par- 
g by the farmer’s own practical sagacity ; 
latter can be fully e erpai and remedied 
risk of ly 
all go ood far irinin is now founde 
Ea kop S comes in the 
ack cd 
s. It is per fact that while 
een spoken o 
p 
| point, to consider the way in amir 
gb p k ave treat her far mE si peiz that, for instance 
ood for the Vegetable world, an idea me ll of | of fallow while so earned professors a attr ri- 
d instruction has till lately e most | bute its AA to the deko of light, and others dis- 
tly inefficient towards agricultural improvement; | course fluent the agency of natural solvents in 
s a forcible illustration of the | aring sees. its ope ation fresh s food 
with, that agricultural for successive crops. —* Take n ny? says a prac- 
in, so far as it is founded: upon “the png use of the is. to.de 
atitative oan 
he above answer to the question—W hat is 
ity ? unfo ie 
o the oe: seni * our oe ge) of one de- 
of far Of ¢ urs in orde er to its 
+ 
nabled us 
class of Sie cee ae improved ch 
ledge a other) we may 
es an accurate Distt dge of the other 
of armer’s business ; but ce so fat | as it 
t embraces the entire an y explanation 
can be given of, what is properly ahit, the 
t of cultivation. There ar subordinate 
c 
Among these is “the theory which 
celebrated De CANDOLLE has soiig once pea and 
tha mes 
ct 
after | year “on the sam 
ited for supporting a second cae any given 
ce of the Sn influence 
om the form 
$ o 
iei a enteroprespectiy ely, y combining the 
pe thus obtained with that afforded by the 
= of a fair sample of each, and of the 
what any ap- 
must” be eeprom 
ices necessary as vegeta 
methods =s adopted, and the conclu- 
patter abstracted lants 
re avy Ch so bg various pia 
e: From the “ Philosophi iT 
I can tell him on the subject. 
benefit of f the spring, att 
; ment from the soil. 
he practice ‘of et ao planting does not rest bea bee! 
me, nor have I an rit introducing it, although I 
able 
ur limited space follow the author | f 
: the recital of which, indeed o- 
on s rotation of crops, and ott the quantity of 
. 
ve 
may have eat aive paini 
and of giving t 
The plan is followed by m: ay ecules 
parts of this county, in Glendale, bs 
no 
where’ the land is free and dry 5" 
objec ing it, 
little danger is to be apprehe 
possible on many soils, ‘thot ou 
| to cultiv ate the oh propery under the aie th of |, 
crops. d it =e illustrate this 
fferent ies 
is, howe er g 
suaded, i “inde doubt that (rien "improved im- ammonia, su 
overcome oue 
hemical know- 
— ae 
ected to ‘the a ia of Wheat year 
e land. 
Arash aoe ee 
TUMN. -PLANTED POTATOES. 
"e ere grown 
of t the experiment, as pub! plished in October, 1844, and 
again repeated at p. 788, he pee l have k known tn think. that 
iya 
others, that some peculiar precau oman 
hı 
necessary to preserve the ett oa Teiega wot 
I Sors 
T a a 
og AT 
"Double ss perh are other reasons besides iann 
are per- 
AUT 
I nave had many inquiries on this subject similar to 
that Toi m your ur correspondent signing himself “ A York- 
shireman,” arising from the t anxiet naturally 
t geome ced byt the prone ne ailing and increasing dis- 
ease ure seed for the 
crop. If *A Yorkshireman” had read with attention 
the detail which I gave of the ew cultivation of the land o 
ensuing 
the result 
44, an 
n 
B gt 
diko SF hatte still the aaa 
i ng, f used none, 
y save to plant in pretty = “aril rows, measurin 
ro 
pa 
and t shoo 
orb peers th amt do, gee uch in advance of tho: 
pla nted at that time, although with greater vigour, the 
brs caim to take the first 
mediate ue | 
thi 
the comparative produce o! of oes times of Timing |P 
rout Joe 
re jir vie Pres 
at ‘stage may be pad by in 
another, bat. m this season it is 
h 
and that an early 
supply next year should te raga wr Grey, Dilston, 
TI FICIAL, MANURES. 
pressed with the conviction that 
bt- 
imate, 
[Wese of fHay M amure | | Profit. | 
perac 
Tns. cwt.. Ibs.| s. d. £ s. d| s. d. 
ery that Th 2 Bot: to 
ose whi 
have continued to 
| try this o and corn, although, aa alone, 
they. add little that is decisive to our previous know pledge 
those subjects. ~ Fi I 
seh s: r upon the crop of hay 
ason f the 
artificial manures, 
age pons land. as a top- 
to the th was over. The 
nt w guano, 
wood ashes. The p 
| Gost of | | 
| Los S. 
S 6) a yL |i? 
10. 106, 19 6 ra E A | | 
: 56| 8 8 0 
0 o} 5: 
ch what “might, = ‘been 
esults si 
In he pe first cases the Grass was much 
D 
roduce was more y many 
A 
igh ;. but 
itional Tai, was s not sufficient repay 
for much of Their “volatil 
av 
me ca their prre parts aai packs ty 
subsoil. But tie ipae ashes, E 
ao tar es a single experiment is rned. 
mmanured ground pro edocs i ton 7 cwt. 
to wiich no anita as made by @ 
rt. 
| fresh, and vice versa 7 . but in y free loam ‘or’ sand, |] 
hse Te'is a inistake; Í 
roots till iiet vitality enabled 
mu 
ch as was required. The 
š 1 Y 2 = 
tan, where 2 a loss was ; neuen Tt is is 
