The daily union. [volume] (Washington [D.C.]) 1845-1857, 1849-10-27

AGRICULTURAL cHEMBTRY.--IMPoRTANT LOCAL FACTS
The positive necessity of applying chemistry 10 agrcul
ure, was forcbly illustrated by Dr. Higgins, State agr
cultural chemist in two lectures before the Cecil County
Agricultural Society last week. From report in the
Cecil Wing, take the following of local and practical
value TO Maryland agrcultursts:
He spoke Of the alternate praise and censue bestowed
upon different mannfe. as growing out OF difference u
use and Of their different quail les The soil in the
per part OF this county, 30 far as ne had examined il
and they therefore should have the kinds Of lime con-
tanning the largest amount Of that Ingredient kind
lime, contained in the 100 parts. 27of lime q mag.
nesa, aud the balance sand and other impurities Read
and 20
sn another specimen 81 lime ana ~ magnesa. Bait.
per cent " For he a Of the
county he recommended the OF Schuyiki virgins
gredient wanted in that any other,
Oyster shell lime contains but tle magnesa. Gas
contains s. per Of lime and Of plaster Of Paris
To ascertain then, the proportions Of lime and magnesa
dent deficient in the soil the great chem
isty and The ges, utility oil blending scenuf; research
with practical knowledge, could not fail 70 appear.
The Doctor had been part OF county where
mari is found He made this remark about mar that
appearance Of much shell amongst does not indicate
large quantity lmeha, often in that containing many
shells there was but litie lme and viee
fnehe finer the better. may be thoroughly
incorporated with the soil. When allowed get into
consistency Of hard and put on lamps il is OF
rte benefit The best way OF applying lime IS TO ailow
up your land and put on top aud harrow II 10 we'll
he does not approve Of spreading lime sod and allow
ing IL 10 lie there Lime in composts is good enough
psn but 1t can only be used limited Il
bad plan TO lime In baTn yafdss casciiy drives oil
the virtue OF the Ii so contain enough OF given
ingredient, tan tha Is useless instance
six cent OF magnesia in Is productive
that which has only sevenenths OF per Msgne
STA Is sometimes injurousin that vegetable
must be applied
The following from the Centreville Times looks some
thing like exemplifcaon OF the disadvantage result
ing from want OF chemical knowledge in the farmer:
J. b. Spencer, Of Cenevle used Peruvian guano upon
his oat crop In 1873, without any benefit the ground
seeded in wheat the fall ensuing without any visible
elect likewise and he has been able discover any
benefit to his crop Of the present year. manfred with
Peruvian guano the oil 75 pounds per the
hill. IL is proper say that the fields here ued
bad respectively dressed with lime lew years
before.
The Times also mentions that about forty tons OF qua
no have been used this fall, by different farmers in the
neghborhood OF Centreville their wheat crops cost
ing 45 per ton delivered al that place Prime bone dust
has been brought from Philadelphia costing so cents per
bushe, delivered at Cenuevile. The same paper gives
the folowing
J. b. Spencer. of cenirevile. applied 100 pounds Of
Chappels salts 10 the part Of his crop last
spring The yield highly gratifying; the land had not
been previously lined He intends using Cha pels sa
on part OF his wheat crop the present ia preerrng the
salts to gaano.
Baltimore Sun