The morning news. [volume] (Savannah, Ga.) 1887-1900, 1893-01-16

most efficacious means of supplying hiS
land with ammonia and vegetable matter.
Conformity with an intelligent use Of con-
mercal fertilizers aud home made manures
1t may be the renovstor OF the cotton lands
of Georgia and the salvation OF the cotton
industry of the south by greatly reducing
tie cost Of its production. IL plant il
used which acquires all the elements Of it,
composition from the soil. like rnillet or rye,
its direct manurial effects consist only In ne
conveying them TO it IN a more svailsbls
condition; but II a leguminous plant, like
the oowpea. Is resorted to. which sbsorhs in
nitrogen from the ar. then obviously IL
Contr hutes a large amount of nitro9eS
directly TO the soil Of which 10 was not pre-
viOusly possessed. A heavy growth OF Pc
vines would thus contribute about 40
pounds OF nitrogen per acre. or as much a.
IA tons of good stable manure. You reall
well aware OF the fact that the cowpea Will
make a vigorous growth on land barely
ca able # sprouti z any other crop. and
while IL contains more nitrogen than spy
that will flourish in our climate 40 epplicqs
tion IT an ammonia ed manure viii nos
have the beneficial effect to be expected.
The problem of the source Of nitr 1enljn
leguminous plants has COMPOUNDED the mpsk
eminent chemists and vegetable physioic-
gists for tue past fifty years, but IL 10 nov
generally elieved that nitri6cation OF the
free nitrogen of the air dt consists Of opa
part OF oxygen 10 four OF nitgo-
gen by bulk or the formation
of nitrstes and nitric acid, : In
effected by the fundamentally Of bseteriA
at the roots. The experiments of Sir J. B.
Lawes in England seem abundandy ocr.
firmatory OF those OF Hellriegei and Wil-
Earth In Germany. The benefits OF green
manuring. however, are not co MINED b the
contribution TO the soil of the elementary
parts OF tho plants which may be used. Tks
dense shade of the foliage prevents the Ices
of ammonia by smanation from the soil.
The effect OF an inert body like door lying
on an open field for several months hes bseu
observed in the growth subsequently, for
more than one season. This shade MAIN
tains the moisture OF the earth 20
needed for the crop and which 10 indis-
pen able 10 the nitrihcation and 10 the do
c mposi ion in the soil by car sonic acid.
II permeatas the germ nation Of weed
seeds and theh destroys their growth. 5sft
can even be made the means OF extormiu-
ating nut aud Bermuda grass. To maintain
ali these effects a. long as possible, aud alss
because bare soil 10 highly destructive OF
lts fertility, Tea vines should not be plcwad
under, green or dry, late in tho ssason, un-
less fall crop Is TO be planted. bus thsr
should be allowed 20 rot on tue land. Lstis
or no loss will occur during the drytn9
pro eed, ard in case Of a clay soil tho dsesy
viii process more rapidly upon than below
the surface. ~ ~
From my own experiences may add L
have cultivated the light sandy soil OF VIII
mington Island with very little use OF
stable manure in consequence OF the incop-
venient locality to procure supply, andIin
twenty-five years | have never been abls 70
make a fair crop OF Irish potatoes unless I
combined green mnnuring with domsstkr
and commercial fertilizers or later years
| have never ventured the ATTEMPT. During
the season whom tho I'll barrel crop. abora
alluded to, was made my yield was ss the
rate OF seventy barrels per aero.
chiefly attributed. think. 10 oowpsa
vines as a fertilizer. 49,
In reply to the inquiry OF msmt err abcus
surface manuring would advise him never
90 pillow his manure under deeply. II bis soil
is clay, unless be wishes 20 preserve 10 for
future use. In heavy clay stable manure
may remain undecomposed for ysars. No
fertilizer is available unless dissolved.
Every rain Of half an inch falling on eight
tons OF manure bread on an acre Of ground
will supply gallon TO each pound, ana
would be very effective, but nota drop OF
it would reach manure buried
four inches deep. Upon the surface
or narrowed into it, accommodation would
lie more rapid. II spread at once instead Of
being deposited In piles upon the nsld II
would shade the ground as q mulch.
end, on such ground. the longer the better
Scientific experiments have dsnoBskrAtod
the fact that manure so sprssd 10 injured
neither through sun nor wind by any lcGB
of ammonia. Stable manure spread 10
autunan has afforded yield OF seventy
bushels Of corn per acre, whereas the ssms
quantity plowed under in the spring Of the
same sesson made only ffty bushsls PSF