Delaware tribune. [volume] (Wilmington, Del.) 1867-1877, 1876-03-02

phosphoric acid, and nitrogen mast be
applied to the soil in some form to secure
good crops and maintain its fertility.
COMMERCIAL SOURCES FROM wHENc
THESE SUBSTANCES ARE OBTAINED.
Potash is obtained from wood ashes,
sulphate of potash, (kainite) muriate Of
potash. and saltpetre.
Lime is obtained from land plaster. and
limestone, wood ashes, and bones.
Phosphoric acid is obtained from bones,
Carolina guano. and Peruvian guano.
Nitrogen is obtained from all decaying
animal or vegetable substances, from
sulphate of ammonia, nitrate of soda,
nitrate of potash, and Peruvian guano.
COST OF THESE FERTILIZERS.
I b. of phosphoric acid is obtained from
a lbs. of raw ground bones undissolved at
S36 per ton, for ~ cts.
fb. of soluble phosphoric acid is OBJ
tanned from s TBS. of raw ground bones
dissolved with TBS. of vitriol, at 1862 cts.
h. of soluble phosphoric acid is OBJ
tanned from 10 lbs. of Peruvian guano at
500 per ton, less for 80 cts.
h. of phosphoric acid is obtained
from Tbs. Of bone ash.
h. of phosphoric acid is obtained from
IS TBS. of mixed wood ashes, leached or I'M
lcached.
10. of phosphoric acid is obtained from
% Tbs. Of good mixed farm-yard manure.
h. of phosphoric acid, insoluble. is
obtained from 81 lbs. South Carolina
phosphate at SIS per ton, for .oo7s cts.
lbs.
h. of phosphoric acid. soluble, is OBJ.
tanned from TBS. South Carolina phos.
phate, dissolved in vitriol for Is cts.
tb. of potash is obtained from TBS. O.
sulphate of potash, and costs cts.
h. of potash is obtained from ~ TBS
ofmuriate Of potash, and costs 3.8 cts.
ID. of potash is obtainedfrom S.5 TBS.
ofunleached wood ashes.
ID. of potash is obtained from II TBS. o
leached wood ashes.
b. of potash is obtained from 1866 lbs
Of green sand mari.
/. b. of potash is obtained from 80 Tbs
OF barnyard manure.
lb. of soda is obtained from 3 lbs. c
nitrate of soda at Al cts. per lb.. and wi
cost I2i cts.
lib. of lime is obtained from I.8 lbs. {
land plaster at $40 per ton, will cost
cts.
lb. of lime is obtained from a lbs. {
unleached wood ashes, or 5 lbs. of leache
ashes.
lb. of nitrogen is obtained from 5 lb
sulphate Of ammonia at cts. per h., WI
cost =, cts.
Id. Of nitrogen is obtained from g..
lbs. Of nitrate Of soda at Al cts. per h., vi
cost 80 cts. -,
/ ID. of nitrogen is obtained from 10 Ii
of Peruvian guano, less the potash, W
cost IS cts. -,
ID. nitrogen is obtained from o44 II
of barnyard manure.
ID. of ammonia is obtained from II
sulphate Of ammonia at st cts, will co
81 cts.
APPLICATION OF THESE TABLES.
From the above tables. any farmer c;
readily determined the quantity and cost
the fertilizers necessary reproduce Civ
number of bushels or pounds Of Q
leading crops. As an illustration
produce 10 bushels of corn. including be
grain and stalks, requires.
90. Tbs. of potash.
1898 TBS. Of soda.
Ola lbs. of lime.
I7.4o TBS. of phosphcr.c acid.
600 tbs Of nitrogen.
oC2 TBS. Of potash are obtained frt
I9.,4 lbs. of sulphate of potash, and
cost So.I9i.
TO- S fbs. of soda are obtained FRI
sS.i4 TBS. of nitrate Of soda, and will c.
s2.47.
Ola lbs. of lime are obtained from
bones used below in making the phi
phoric acid. and will cost 500.
l7.4o fts. osphosphoric acid are
tanned from 1872 TBS. Of raw bones groul
dissolved in vitriol, will cost, at lot c
sass.
900 TBS. of nitrogen are obtained fr
the raw bones and nitrate of soda US
and will cost 500.
Total. S5.49t. as the cost of furnish
the material for 10 bus. Of corn to a pertee
barren soil; but as all land under tillage c.
tain more or less Of these essential
ments. the quantities can be changed
meet the wants of each individual ca