ae AGRICULTURAL GAZETTE, 
il, some of. ty teats thus s formed a are 
Wheat, treit 5 Oats, Beans, Mangel Wurzel, Swedes, 
and Potatoes 
Midland AE 40 bushels T 50 bushels Ta 
64 bushels Oats, 40 bus mao — ms Mangel Wurzel, an: 
r, and thus Seken soon available 
rganic 
likewise causes a rapid ompa ‘ot org 
mon 
1, 
hat is the = ie aton of Turnips? Justify 
fa at once sets tree 2 amm 
estent sol : 
her ingredient È is added which ma 
How des the operation a a tillage implements 
the fertility of t 
yerisation, ie., the soil is rendered more friable ; 
pre ere one crop are buried to become food for another ; 
to prevent impoverishment of the soil 
ane anpe; and 4th, atmospheric influences 
y» 
is the reason of the decreasing fertility con- 
on the 
‘& What 
s on te urimet cultivation of one 
moei A a diminution of those constituents which have 
"previously ake sec g Agr ular crop, or in ather 
h of time on the same 
j ogg it T rey "ponutitnents which are rendered 
as food for it, besides deteriorating the soil by its.own 
& State the ees generally given of what is 
termed Clover 
Pag Currtostone on the same ground, there bei 
E amliee of t ee which are required as bode 
Siac dog er yr therefore ‘acting with greater 
4 paast through the winter than it would do sup- 
ey Se way tor ti use of a sae puis ware to the 
hinder smut and bunt in the Wheat 
F ices k in sn sn state ne may ips that is 
ito the see seed, or that _ ee into pans organisation, 
thus the plant is safe so ffects are felt. 
l = = see ‘ae miah and “Tee disease in 
i KS How pe — and warmth promote the fattening 
ei a greater consumption of carbon in re 
keep p tho natural animal heat under external cold, 
perature, and n 
curred. 
Why is the excrement o 
as manure than that of full gr 
me to an pe oon is never of so fat Perene 
cy fatting beasts, consequently the manure is 
E ose constituents which are so in 
tich make good ma 
i BS system the ahaha’ of the nitrogenous matter whic is 
a FARM PRACTI 
I Mane and dere he Sakti chaffcutter, and 
piep se cones baw plain dro ‘linder: 
sh iin eth Gomes, or eh adr ore or 
107 f> 
the old common barrel churn. 
ree Satin heck 
ling Turnips, 
pa es Mangel Ware a and 7 Maie. "ond 
, 3s. 6d. ; Turnips, 5s. 
A z ee 10s. i puing an ars pitting 
, men and women, employed on 
' likely to be engaged i during the monte 
Ee October respectively ? 
; making Rye pirim Cheese “Geiben 
Vetches p pitting Mangel, mowing and 
ate from given prices of the horse food 
my stable manageme "i 
Par of horses, and calculate From that t 
ploughing, harrowing, ands j 
+—8 bushels Oat , 93. 
e cultivation for the year of an.acre o 
a senp aby in fo 
the cost of its cultivation aes 
2s.; ploughing, 10a, ; 
Bee oy salar epe 
e 
of growing stock less ees while 
own fatting cattle 
resemb) 
nt, the average ie 
. per 
—14 as Vetches (god ‘148.3 ; 2 bushels = 
Tight | — 
10s. ; g bouting, s os; Sand 
suppose Bai: Turnips to come after Vetches—and then 
. Bat ‘tw wish the effect ae to the 5 — be, scarifying, cleaning, shes harrowing 
al p, time, it res. S ero to | and rolling = 19s. ; artificial manure and ashes, drilling and 
a lime, owing y the rapid decent ition of o; ic matter | seed, horse and hand hoeing, pulling and cl ne and 
y their coming in contact. 64s. + 19s. = 4l. 3s., the cost per acre. Now supposing 1 acre 
beg tine ms, the price per acre will = ds, 6d., indepen- 
a 
af a , Turnips, and Mangel We 
a iii cael a just bagi of the varieties I regard as 
be, for they differ so much on different — but the follo Aon | 
I think as geod as any, and will answer most purposes : 
i ite Sco teh, April; cee 
Fan 
roved) ; —Large Yellow G 
(To be continued.) 
7 rving’s (impro 
Long Red. 
o 
ON THE COMPOSITION OF tad Bock 
GUAN 
SLANDS. 
OS OF THE ATLANTIC I 
ee Massachusetts, 
By Avo. A. Haves -D., Assayer to State o 
Tue deposits sere: on islands ou nepen by sea 
opical rains winds, have 
a tials of com- 
08- 
e ae of 
c acid, have 
I ve engaged 
in the ainis of them 
These guanos have generally been supposed to differ 
from the Peruvian guano, in the ee that the am- 
monia salts have been washed o em, the 
prot maito habits’ but no e annem been 
that er ne compounds have been formed 
duii dec 
uring decompositio 
In the rma (dant len: it is my intention to 
nclude under two heads all the varieties that have been 
‘dens y found :— 
lst, Arenaceous variety, where it has 
been ly exposed, is g white, with some shade | 
of yellowish brown. It is nts. ear coarse pres ane 
your estimate by Pa the particulars of the crop on | we 
its oor ot tte found 
ori 
gg te ie or three ii the best varieties of | ¢ 
in 
edes, East sgt as 
lobe, 
phosphoric acid p Lan analy: 
eeina of the palibut at garo, 86.8 parts o 
ts of the pnag 
and tissues 
kno 
quently the bone gag originally present could not 
have contai so much as 86 parts, of phosphate of 
lime ; while th erally ex aoig fade in the 
guano produces mor is com 
offers the clue to the a ex aie of the 
rock 
ecomposition at temperatures not below 85° Fah- 
it; both water and moisture being present 
Experiments show — under these conditions, putre- 
m proceeds with The first 
f the urates, an 
ammonia p ains. ent 
carbonic, pe ae and oleic oe begin to combine with 
lime as or are rated 
mat 
m 
ter; this lime salts Baig in turn carried < i 
rains, thie i phosphate spr of the divided bon: 
comes less an 
led in pure w: to 
ove tissues, gi -water li ts 
abundant]: ey decompose, and the quantity of pa A 
acid salts formed is very large. The salts of fatty 
are among the most permanent products of decomposi- 
tion, and we find them in the composition of most 
| remaining forms of the or; r bia pane > 
up of bone, in sbi pou quantity of wai 
until the presence of mono bibasic phosphate, cre- 
na steara &e., establis a balance; but where 
rains are frequent, this limit is not reached, as t 
removal of the lime salts phosphoric acid to 
to | be actually di on carbonate i 
| Thousands of tons of both arenaceous and rock yeg dps 
ve been imported in which the h the phosphate of 
+ gh sag while the varieties which are 
formed by the conversion of of shells into phos- 
| hate a of li pon ataa a hi state—even that of 
acid Ses ve attained in the mass. 
bling 
f fish. 
shell- fish, reduced to 
‘ood of 
gs a8 tected, we find 
tigers om ae sa phosphate of lime. 
—The mineral ans have peman x | 
rm generally of an irregular in 
inch to 2 feet in thickness, Pa ae yellowish 
colour. 
brown, or ae white in wing a 
deeper shade in ith those ofa a ligh ter 
form, and 
fluorspar, is next to that of feldspar; average 
2.440. 
Varieties are numerous, referable — toa kind | S 
of secon action, in which the ma 
nuted bones has mixed with beds of recent 
not only ee rer but decomposing the 
iras f li — tures, has pice oar 
a of lim 
B the ma remarkable —— - rock guano is of 
very. It a rock m 
ya 
at once rin pronounced to ho 
ed that the Fiba from ret this. 
of Pree guano, 
I purposely omit several constitments 
in minute quantity, and keep in view the 
e and matter as the prominent 
me 
sland, is also given 
100 Parts of Rock Guano. 
oisture 
—— 
pono her ties stated is 
The the 
ye n sak tke 0b oiio Wi 
obtained by h the 
eel exclusively ~*~ and the i 
larger per- | Jw. 
seen, 
In the e guano 
aiil lost to the eye, which detects not 
a ls a close-grained and co: banded mass, 
dag oport 
exists in cas arenaceous 
Th 
| thro may upon ot similar marlen riada 
i point of size, ins of the 
to in are its 
ineraogicl x Aeron these Boden È are diverse, 
specimen taining conve 
puzzling ‘problems "y be solved with the lat 
wage 
wherever it has been observed, wii 
| 
fore, exp usual effec! 
pay e et salts dioad, but must “the sal great 
weight to on. 
| islands on eent it is found are swept by the constant 
being te d, and the evaj 
tion of water 
in amo shit's that received as 
found in the soi 
| av, the solution formed by rains 
bone aeiy or 
Ss aai DA 
gino ro aoe as see 
