Saturday, June -
4 .
(7). Cj
MCT7:TD GET -UCH LANDS
icXl liae: It Different Form -ajvd .Which to Buy 5
1 . ' "Cj'TAIT BUTLER " .;'r "", '- : ;t "
.2. - JTj JmjJUL: Calcium .hydroxide,- alakfcd
im, tMr lkd lima, - hyUraled lime,
caustic lime, etc.-
3. Carbonate t Calcium carbonate, ground
Urate tone, ground enter bells, ehell marl,
marl, marble, chalk, shells, carbonate f
lime, etc . -.--.. '.. ,, j . . - '
- Thesejthrce ' forms are not equally'
; rich in calcium and are consequently
not 'of equal value m - V . - ; V
l.SCO.O lb.
JtS4.a Iba.
S.600.0 lba.
S.lOO.O Iba.
1.600.0 lbs.
4.100.1 Iba,
1.J60.0 Iba.
2,100.0 lbs.
1.250.0 lbs.
8.S0O.O Jbs.,
.4.550.0 lbs.
6.200.0 lbs.
2.700.0 11 a.
t.OOO.O it a.
4,600.9 Iba.
1,400.0 Iba.
4..10O.O iba.
7,200.0 Iba.
TMEslxenioved from thetiotl in; It true that plants may get the cal- W' ;.ouowing ;: taiie snows, tne
r-iVrrI f.v, V ':: ri1!m-hlr . fr thfAA B'rvcights of .different .forms -of. lime.
from;soils where little -or no calciuni
carbonate exists, hut they get .this
caicium irom otner caieium com-
Different JFormt ia Which 'Lime
-I the drainage water and in the v rium required- for their, food needs
X-1 crops. - It is, therefore, plain that
when the. supply ow in, the soil is
not -.sufficient .for, the; best crop .
production it .must; be added to get
such a highly: productive soil; for ,no
rotation, cropping'or, farming system
.adds lime io the: soil." It is: equally
i: wnnless a soil receives lime '
washed rdrained from lime.-rock or ."TOAlD in remembering the three
other lime-soil it unusHn time need -4 forms in -which calcium is used,.the
lime no ma.tter.'JiO'W much it , origin--, following - statement of the 'other
ally contained.- Of course, soils orig-j names tused to--'designate'- each , of.
inally very, rich -in lime xompounds -these three different, forms may be of
may not require applications i)f artifi-; rvalue.: - - , .-
rial lime -for jmany years. : : - 1. Oxide: . Calcium, -exlde, - lime, burned
t i 1 rlrh- cr;tth lime, flulck lime,-causile lime, tone lime,
Tn the. making .of. a jjcn.&oii .tne. -. , bullderfl. llme. Bheii iime. -etc.
question .is pimply, aoes mis, paniLu
lar soil require - lime! ow fpr tn$
most economical production of the.
rmn, to be grown I -But ia'thenarg..
est and best" sense' economical pror
duction must, maintain -.sou
and in most cases. in' the" South must
increase the production of, out" soils.
It will be of value;tO give a lew ex
amples, showing;. the amounts 'of cal
cium carbonate; (calcium carbonate is
40 per cent calcium). which'.may he fe
moved in given crops lihd .also esti
mates of amounts which' may be rer-
moved or lost by Jeaching,
which are equivalent or; equal in vaK
-wer For ' instance,:.: it: requires -,18;
-""pounds' 'of ground limestone (calcium .
i.au.iiiiii ii iiiii in iiri i i i r 1 1 1 i 1 1 i i iiii r . . -
pounds in.th. .oil xathtr than UcnC
calcium carbonate."
Calcium lime is -often mixed in va
rying proportions with - magnesicn
lime. "V On most soils it is generally
accepted that - magnesium, carbonat e,
while acting a, little-more slowly, h
equally or a little more , efficient in
correcting acidity.
Table, showing relative values "per
ton of the calcium compounds (lime),
ter-slaked: lime (calcium hydroxide), - ased on the calcium which they con
and 1.3 oo'unds of water-slaked : lime --; tain, when pure: . ' .
to equal l'pound' of burned or quick
lime (calcium oxide). This - table is
based on pure -materials i of equal pur-:
.ity;: - v.- - l -
Calcium Oxide
QuIckLime
-Burned IJme
-1.0 iba." '
100.0 lbs. --
" 500.0 Iba -'
1?000,0 lba-
Calcium Hy.
drDXlde,'Wai.
ter-slaked "
Lime - -
- yi.i ibs.-
130.O lbs.
, 650.0 lbs.
X.800.0 lbs.
Calcium Car
Lbonate. Air- v
slaked Lime. ;
Ground .Lime
stone - 1.8 lbsl 1
-.180.0 lbs.
- 900.0 lbs .
-r 1,800.0 lbs.
Calcium Oxids
Quick Lime
Buraad'Llme
' . .' -
12.50 "
1 . 8.00 '
, r 8.o .
!: . '4;00 , -4.50
lr 5.00
' -.5.60, '
" ' -". ... .0.00 v "
Calcium Hy
droxide, Water-slaked
Lime
11.00
- . 2.80- 1
. ; 2.05 .
8.05
"
' ' 1, 3.80 . '
- ' . 4.20.
. 4.-55
Calcium Car
bonate. Air-'
slaked Lime.'
Ground Lime
Stone ; si.4'0 ;
1.70
2.00 ,
2.26
2.65
2.80 -"
i '8.10 . ,
. , 8.40
(Continued on page 18, column 4)
ij h Fair ILst Pricey eTriri t .
" Crops T : . JPounds J- Pounds la
: in -CropslCrops Betnoved
Corn 35 M bushels.! ;' : ' 1 ' , - ' '
Grain 2,000 lbs.. . . 1.-0 lb , ' l.OJba-r -t
Stover 3,000 ' lbs.. 26.0 Jba '26.0 -lbs
"" Total .'. . .2770 lbs 7.0 lbs- .
Oats 40 bushels. .-J - - " j ' ' -". r
Grain 1,280 lbs. (. ,2.0 lbs . ' 2.0 lbs
Straw 2,000 lbs. .. 15.0 Iba r '15.0 lbs "
""""Total ... . . .. i .117.0 lbs f 17T0 lbs;
Peanuts 50 bushelsTl 4 '-'J - TT1-
Nuts 1,500 lbs- ... '3.0 lbs. -XO-lbs-,.
Vines 3,000 lbs.. . 37.0ys' 37.0 lbs '
Total "I . . .140.0 lbs ""ToTolbs
Tobacco ......... I -- " 1 , ' ' - -
Leaves 600 .lbs . 55.0 lbs. I 554) lbs
Stalks, etc....... 9.0 lbs 1
""Total .164.0 lbs t - 55.0 lbs
- 1 " 1 I " . 1 1 11 i wb ii I t if-r g
Cotton .
Lint 300 lbs. . .V. . . 0,5 lbs ' , 0.5 lbs .
Seed 550 lbs.,,.. .3.0 lbs , 1 3 A lb 'I
Stalks, leaves; etc. 70.0 lbs : -
"Totals 173.5 lbs I - 3.5 lbs
Alfalfa ;;';-..'.. .J 1 j'- -. j v 1 . 1 1 v1 1
4 tons haySC01bs364.0 3bB 64.0 lbs
' ... .:. NV'.
The amounts' tX "caltium. carbonate
indicated would be supplied by simt
lar amounts of, ground limestone.if it
was pure . calcium' carbonate hut as
ground limestoriels usually .only C04d
95 per cent calcium carbonate larger
amounts, are necessary toT supply, the
amounts removed hy .these -crops. .
The amounts of calcium "lost by
leaching or in the jdrainage water de
pends, oj aconrse, on the rami all ana
drainage ,tmd,on Ihe amount in .the
soil, as well . as on -numerous other
more or less important conditions; It
must be ; stated, however that- the
losses by leaching, especially oh soils"
well supplied . with : lime, ; are much
greater than thoBe removed in or by
crops. s . .. t . , ..'-!
On soils in England, kat the'Rotham
sted Station, ; to - which." ; a ' hundred
years before; SO tons- of " chalk, had
been applied per acre;" the" lossesof
calcium carbonate per.: year ranged
from 564 pounds to 1185 pounds over
a period of 40 years. - Wheat arid bar
ley were ihe crops grown.
It is, therefore, apparent that the
generally accepted . practice or ad
vice to apply' two or three tons of
ground limestone per acreevery four
to six years is based on a sound foun
dation of fact...
. These losses are stated for the pur
- pose of giving some.' idea of what is
required. to onaintain -the niipply of
calcium carbonate in a .'soli under
cropping conditions' Such as those
described. , ",''. 1 ,V," 1
But of course, there .are other rea
sons than .those of supplying rplant
food or maintain in tr- the irresent sun-
P'y of calcium( carbonate in the .soil,
for application's bf lime to out .soils.
a markedly sour soil will not produce
maximum yields of most-farm crops.
t: i -
4-
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