| SEPTEMBER 26, 1897. ] 
THE AGRICULTURAL G: 
r? H 
AA 
TE. 667 
aif work recently published by him, the “Principles 
try.’ 
a 
cultural ae 
d ritako is often made in the use of artificial 
ive which is ca nah by argsherp of | the principles 
poe they act. The a) r has guano, bone- 
A T oh ined a very heavy T 
flare ensues, The 
ed the crop to assimi- 
or the 
dition of phosphates, there was a 
r r’ of all these: m 
up a large pro- 
mo the gee a A Bo iin and roe exhaust 
it of any one ioe ught part ularly to 
high Tatil al manure wiih it. does 
v by exhausting the soil, pro Cebit, of all the other’ 
necessary mineral ingredien 
The ashes of wood, pe ni oal, are valuable as 
manure, containin gt the e minora clement of wood, and 
hic an 
$ ral, the ashes of any crop are best 
mineral manure for that plan nt. Lah Mane rning of Heath, 
er the tarf pared from moor-lan: useful in two 
; first, by the action of, heat je in the felspar in. the 
; secondly, by supplying g the ashes. By examinin 
the ashes of the plants which grow naturally on any soil, 
iscover w ost valuable con- 
y |and if a 
t yiel oF ayy it it is deficient 
si i set biata, If soil yield Grass 
e | grew 
thot 
or } av: 
the value of humus on the soil and of decaying organic 1 
revi in manure. Gregory’s Handbook of Organic 
stry. 
water when none g been registered by Dalton’s amait; 
ure i 
Chem 
As. to the risin ee water in soils by s copiliary 
sho 
PRELIMINARY NOTICE OF RESEARCHES 
ON THE 
gy os OF NITROGEN BY PLANTS. 
WES, GILBERT, and PUGH. 
5 n ro asociamos ON: DUBLIN, Sept 
l 
like substances there is is no vlimit 
as t- illustrated. ely | you the benefit they 
scientific anh of view the pt was of high AT ves of 
would add 
in the mative, t this 
The earlier writers sup- | them with 
ar that the fea. nitrogen of the air could be taken or of 
De Sau e' pract ience in agrieu 
been | than myself T will Satie ihe fields by numbers, 
rs..| show the ey and the result of the 
se vate ie st observe, that for 10 or 12 weeks there 
| Was no rain on th he farm jt two thunder showers a 
asah apart, a circumstance not known there for up- 
pe x an of, 20 Field: No. 1.—About 8 
highly manured with g 
hin nim | Globe 1] ae 
milated a | proper n; with’ an aenar supply ni 
ga Boomin ganit | phate arge guano, Field No. 2.—Abou 
had followed 2 gone inquiry in various ways, and Oats drilled. in the spring ite Monge’ Ware and 
maintained the opposite opinion. It ence, highly (at t the proper time had Red Clover seed sown and rolled. 
esos that others should panieka the subject; and Field No. 3.—About 10 acres; was me ie i last astata 5 
s the bgt of a autho this end, and iy laid fallow during the winte 
ind Lathes obtained t ermanent Grass se 
discussion balike the bon. 
methods Fa pted by M 
respectively, tad then illustra 
wn tian and progress. In all cases their | 
in the first instance, in pz and a’ 'e. desti- | 
d nitrogen except that sererai 
o' some, inane: as their growth i 
need, for 
the sake 
ount of free nitrogen. 
ut. 30 acres alt together, “containing 
igs. their and Oakes were also. sown over in the ge ing with Boys 
ts. anent rolled- as The soil is- 
tute of Pall combine 
the see 
ee pa 
sown, 
er came up, a i rman: 
ts pies are tig all vile in fact, there are no signs of 
set, and their height and general ‘them ie fail f the c rops has attributed to 
development wa was aez y natural. | the long: droug ht, oa the heat: of the sun destroying the 
nstances, where only the combined nitrogen germinating power o of the seeds, cipal object. 
and the free nitrogen of the eon w 
ter in the soil is is eefal in ovo. ways as a source of 
, whic , dissolved in 
‘taken up to have |? 
into om = o (the, change, ‘moet ‘probably had 7 
was 
as fat of' the 
or 
sae as sometimes ens,- this | Plants, the soil, and the. pots they grew were | is- 
Pe ir et “deficie was ia, happ , in the 5 ; when the debtor ain agi account, so to | t very convincing: to those adduced 
m of phosphate, is essential to the husk of grain, so speak, of the erase could. be made up. Collateral by “I. A. E” of mi neces of sticking close -to Mr. 
that in absence no perfect: seed. is fi : Bera researches were. briefly described, eo Loigny of which | eee instructio: any f tillage taking on 
ime, which both contain phosphate of magnesia,-a was throw Tight on. the gelation of. th gases itself the name of ” Lols-Wee don, the amg of attention 
that a , and on many others very valuable pg corn, | evolved during. the growth of planta, to constituents b them surely ending in di scomfitu 
4 sil on which corn. grows, while Clover or Peas do actually steed. and also other se esa whether | obtains crops spore the average of h is nsighhowrtsod, 
nob, i bly deficient in:available lime or in gypsum. | free nitrogen was a product of the mposition = and I would not give a fig for his system if ae y." not 
Bat in some plants the absence: of may be} organic matters under certain a A everywhere Now, “J. B.M.” vs The 
ey another, po by lime by magnesia.,; cussion followed, i nthe President and arnet | | soil in which I am. trying it i isa and f well coltiva Berks, 
k Teien in most, or in all, of the- Dau beny took part. The entleman e: expressed his , which grows- it ell cultivated or $ 
= S an ers so often mentioned; itis hopelessly m oe question oi the eee coma te Re T And is: content if his- 
i Such is the cas h the soil of | nitrogen. “up, i » Low 
where z rock aAA or bears the soil has been | investigated on sucha pasts Lasers seale at Mr. i 3 quarters; . r if. 
from that rock, as-is of the north- | Laboratory ; lie mg E E a sg psi og NR ) ‘his 
vat of Ireland. But happily su are Yare; given Academy its integrity Mr. Smith’s plan, for 
‘etanse such rocks are rare in any great’ extent. The of Sciences of France to the apreni M. Ville, which | a soil opoe of y 
ami SAE foods OF aans Sak Vecrea | tala ie adopts further remarks ries DE airm oga nd. 
Oi of the mineral food: of plants, but use | tate in a - > " A 
l ite of sme ae = _ Sane ore Gilbert,, Dr. or entered into some fuller ex n =a leading. principle on ya I take it the Lois- 
nang neater is of ustrating the methods ulties and fusnes pm is 
: voided.. ess—the earl l 
have said. that ce of nic | sources of error to be overcome or a Apae a aie 1 
seat commences to fork up: te bianyan 
- previous 
Di a surface some 2 or 3inches of fresh subsoil to bo- 
acted on by the nearly, 12: month 
which time it requires to t fertilised, or parades 
d soluble, andin a state fit 
ion | to be taken the succeeding year’s crop. This: 
| most essential. iy oes om “J. B. M.” seems to have 
he dow ings seen to 4 has: formed. no his plan; 
y entire, though 
matter. The solvent 
acid must ac in every soil, and henes 
Ge OP Fe 
co 
“surf to any, 
fork, grubber, or what not, the newly raised subsoil not 
