30—1852. | THE 
AGRICULTURAL GAZETTE. 
475 
onali too many are allowed to 
. r. — 
1 1. on te — to exemplify the 3 
on Fonte ently to. pauperism am 
manufacturi 
. 
gance which 
the 
* not, without such a stringent 
test as would recall th 
groundless an 
nn OF 3 
F 
their capabilities of 3 ti to refuse those 
the 3 des Poudres et Salipetres, have proved that 
which were not, were to e em with a s 
above the instinct of g Ke ond the reason of man ; 
were so contrary 
vaporation of the saltpetre ley, the 7 7 
malle with the water.. . It is known that 
of powers that se y 8 all being, as to become 
the ereby an see ~ and it is also disproved by 
va have never 
to refuse any — 9 offered to 
roots have drank in free 8 even to the 
table poisons, colouring 
nferior animals 
t 
sequently be expelled, but ge v- by the roo 
nave some doub 
riments caire-Princep, ap 
ns 
pews of salt i not large. 
s has been co agi tely proved at the salt works. of 
8 m, the va ent director of 
establishment, M. Wilhe 
be 
after the e drying of. the dew, that the g 
with crystals of salt on one or the other side, according 
the —— of the wind.“ 
— take place at meed 
to 
Now, these 
sustain this theory of De Candolle, and they A. tem 
do bear him out in proving — many plants are capable 
xtractive matte m their roots; but 
to be expelled through 
a close repetition sf k ‘same crop on 
2 is attended with ive deterioration of 
a progressi 
turn, and that the intervention of one or 
re the capability to 
and 
the soil of eh Faget Ee 22 erop; and this has |o 
1 50 to ternation of crops in such 
courses ter 5 been found 2 table to the 
on. N shoes and to the crops. i 
pro 
- The m us operandi in plants by which this deteriora- 
tion is caused, and this restoration is ey is still 
involved. in obscurity. No theory has hith o been 
into it i 5 therefore — ir ag 0 
do little to elue 
even bs we i 
es a distinction, satan we thin 
pese 
Candolle, and those to be 
ployed in the siutrition 0 
vious to or i aa act of elaboration ; the * ＋ as 
tances “formed in a vegetable 
nk very apt, ex 
It sill remains ee consider Liebig's 2 
but as perhaps * payers a 
readers, 1 we have 
certainly occupied suffi N 8 
we will —— it to — day. G. 
Home Correspondeno 
ajas k ening the number of wie i even in 
hich are devoid of W and 
— rocess of nutrition” and ejected 
after aai been elaborated, The first, he observes, 
“were undigested matters, which, although not adap 
or the nutrition of one plant, might yet be indispensable | i 
o another,” the last, as “ prod 
formation 
g co substance which supplies 
e place of — by — a perten source 
c acid.” 
The — — De Candolle ob — —— to the soil, 
f plants 
mechanical actions of the er and the = e fibrous by the roots 8, of su derived from th 
roots of ts, the former ween © the y soil, not ace! to the Sata 3 of nutrition, is not 
spread o the l latter, while the latter allowed it ites again to the sustained by the experiments of ire- 
closeness: Thus the Princep ; “ for,” says, “they leave it quite 
the t undecided whether the substances were extracted fr 
but, on the contrary, inerease we must e 
ted | i 
„10 anta 
ing simple expedient. In the centre 
of car- ye er 
which the stack is to be raised a an unt iron — ar] 
t horizon a small 
ic centre of the 
be made w 
n its- completion, the ate will be withdrawn. 
If the iron one had. been on a piece of 
the soil or for t itself, from food received 
from another source. it t is certa in that the gumm 
resinous excrements e-Princep could | 
not have been pert in the s as we know 
s not — by culture 
onelude that | 
hat the carbon of 
excrements which ¢ 
s.” 
4 
t, and 
plank, by raising the latter, the * would get a start of 
— or three feet, ae — neve its removal. 
| By the panes $ sim di merenti, stack- 
akin reduced nee tainty 5 cy skilful 
cannot — wrong, while la — will be Le bi 
ded with with Te and decisi 
contents wil 
of the . suggested, perhaps he 
© therefore — still —.— proof that the sub- 
y the of a plan 
at wien are, 3 expelled od the roots and 
returned to the soil as their excremen 
ed it nutriment, or returning to the soil 
hich it could not assimilate, ‘the soil, though deprived | 
the roots to the soil. 
substances by 
way for nature, 
undi 
h the roo roundabout 
those who delights in the most simple. means of effec’ ecting her 
tage in the radius rod 
spring, that it 
point it was 
er in incommode the 
objects‘; t does in truth for the favou 
was ein coon ard trent toma 
different 
ithe pols of these views explains a means- of 
ja mene eh ihn soil is fitted to 
operating | m 
give a succession | 
than a succession of the same 
$ ps bat a neither can a repetition of the — sagi de 
distant a. period; without deterio 
the substances of wi it sh deprived 
the soil are sek returned to it, and two successive.cro opsi | 
of Wheat might as well be a Še were it not for 
atmospheric action, and whieh action os be induced 
without alternation, as 2 crops of Wheat with an 
be elaboratio 
using the sword of an mees 
of a plant, in 
ecessarily imbibe w 
found in solution in it, This water, — these —— ces, 
carried up, —— of a 
phytologists, through the E mem to t 
commences, By th 
not well defned, “ged this elaboration 
to so much only of 
imited 
contents as 
those external s and influen 
entering into combination ‘wth them 
f the 
n of crops but it is rather | 
ere | to the 
bye, this cee is Da 
can be r girth by. emr: amount e — of} Cole 
f “ 
wed Tiles.— 
ness of our cottage scenery, 4 hope I shall not be taxing 
r ask if you or 
“An A 
interval of ten years. According to these view 8, an existing i t. e whole of | your Paper beyond its p 
alternate system is — one of more — on this water and of t hese par that are not so appro- correspondent could inform me . is the proper 
priated, and * have in their progress through the mixture to apply to plain tiles state, tha 
Recently it has been — — however, that plant te ose powerful — —— . when bu ir flaring permanently 
we are aware on tent — — eneoun — sim subdned.” Allow 2 to answer . 
of plants descending to different depths in the soil draw | placed * the most fivourable — fie: ‘le It isnow unde hat the fit "of colour is 
Sie foed ent areas. As this opinion seems | tilisation produced b nei i 
to have been put forth in gonna of the great depths It is true, there is a scant possibility of the water colours: Now, in England, our “green ís is too toe 
to which “yl all the ae lage ee under | escaping by Pte — e ok behind it these blue, our sky too neutral (not b —— he only 
fear circumstances, it may i be: d with a substances, ordin ses of evaporation, but, this state 
ne The soluble tn available | in the leaf pinion} vy — — of — with a jamou! ow 
as: nutriment, ts are more abundantly in | solution so weak, without an 8 nueleus walls 
3 active soil, and it may safely be averred | lisation — these substances—for if they — roe they 
* there are no plants cultivated for food whose roots carrie yore with the descending 
not to, if not into, subsoil ; all t we e conclude — of the 
Plants must, therefore, derive their nutriment from the water wili effect me Bi soma of these 7 
same area. The ¢ i to perfect. their In favour -= mere are many instances we 
mat plants ; 9 p e 3 our culti- | may refer to of 2 2 ys abhors. 
yet these into soil, und volatilised ia a writings of Liebig, he says, l 
favourable si rding to Mr. M‘Arthur, liquid during evaporation communicates: the power of | find it represented in‘ the eountry t 2 preia hann 
— 6 feet, to as grent a de robably as the mi nen in a greater or less. degree to is excess. of shade, it is-quite, out place. 
‘alla wily 4 ee re that they con dianckeadidte mana ep Senet of Reader. ; 
: either obstructed or im- | th 1 “possess: t aa Beracie acid is urn. — 
Penetrable or corrosive — — excess of water, ens — eee 8 “ Verus” and “Cymro,” I. got one of D s 
or tl they obtain a. supply of water equal weight ht appreciable, by hen it arrived from the manufacturers 
either can we entertai white heat, — 2 it | (Messrs, C. W. Young and Co.), I sent it to a small 
yet an pte doi in water be | dairy farm, where it w used in SUCCESSION, 
he gentlest heat, without the of. then bu be obtained f in any 
ity of the acid with the steam. ... The | case, e In fact so annoyed 
‘tuted! isier’s shy wan Lat the ineficiency, a en. thought, of the 
