Burlington weekly free press. [volume] (Burlington, Vt.) 1866-1928, 1910-02-24


Glover should be one OF the crops regular
~ planned In the farm rotation Of crops.
The aroma OF hay Is Of value for II in
duces the animal to eat 1t more readily.
Moreover food eaten with keen relish is
more easily and thoroughly dtgested.
The cheapest roushaxe in this country
Is corn either as slower, fodder or al
lase. preferably the latter. II will pro
duce from four to six times as much per
acre a. will timothy. All land that can
be used for corn should not long remain
In GRASS
Farm stock requires Rcme roughage in
IL ration The basti Of the cows ration
should Re silage made from mature corn.
with home grown clover hay ~ n close
second. Crops grown on fertile fields
are more valuable than those grown on
hungry soils.
COMMERCIAL FERTILIZER BUYING.
Professor Hills and Mr.. Jones conduct
ed the ser1es In commercial fertilizer buy
ing. The three lectures given by Prof.
Hills are briefly abstrated below under
one head The one given by Mr.. Jones
follows
PROFESSOR HILLS
| MstsrialsA great variety OF nitro
genous materials but comparatively few
phosphorlc acid and potash compounds
are used In making commercial fertili-
zers Those commonly employed in MAX
ing the goods sold ir Vermont are
For nitrogen Nitrate Of soda. tankage
ground bone.
For phosphoric acd-Tankage. ground
bone ground phosphate rock dissolved
by sulphuric acid.
For potash-Muriate Of potash. khln!t
Doubtless other heterogeneous ;natr,als
are used to some extent as demanded by
trade exisencies: but these cut rrohahly
n small figure
Nitrate Of Soda salt mined and puri-
fed in Chile: soluble. in1med lately avail
able. 10 per cent nitrogen Admirably
ADAPTED 20 start crop growth; 100 soluble
10 be used freely
Tankage -Residuee from slaught cred
animals. rendered In tanks 70: the re-
moval OF fat. dried and ground. carrying
both nitrogen and phosphcri ecid in
variable amounts; thoroughly desirable
form Of plant food. furnishing available
orsanio nitrogen.
| Ground bone Bones either raw o. s'ear1-
ell, for the extraction of fat and gelatin
products.l ground hne; carrying both
nitrogen and phosphorus acid IN variable
, amounts q relatively slow form u plant
food hut well worth using
Ground phosphate rock Mined iu South
Carolina Florida or Tennessee. carrying
. to 3t@, insoluhle phosphoric acid: made
avalable in manufacture by The use Of
, sulphurc acid
, Muriate of potasA-A purified salt mined
. in Germany; furnishes HHe potash in
, soluble form. the common source of this
, ingredient in most goods Other than tn.
} low grades.
Kainit-A crude. unpurtied, potash salt
, mined in Germany furnishes 1870 potash
in soluble form as we'll as divers other
salts: used commonly in II" low grade,
as q source of potash.
Making-There are two processes OF
manufactures of commercial fertilizers
, the so-caijed wet mix and dry mix
, In the wet mix process employed at al
large plants, the sundry ingredients
other than the nitrate Of soda. are as
$ seInhled together with dilute sulphuriC
acid. in rotary pan or mixer. Definite
. and weighed amounts of each matera
Uankage. phosphate rock muriate o
potash. and in many cases the liner
Z filler. and definitely measured volume
e of sulphusic acid are run into this par
- and thoroughly mixed by ma chinery.
q The acid acts more particularly on the
n ground rock, converting the insol, sble
4 pnosphoric acid into available forms. !
= also dissolyes some Of the phosphori,
o acid OF the tankage and doubtless tend,
to render more available the organic nj
Y trogen. The hot, steeming. mudlik,
q mass is then conveyed to pile where i
+ is dropped and left 10 cool. When til,
shipping son arrives 1t is snovellet
t out. run through "A pulverzng machin,
s to insure its being in good condition t,
). drill and is baRged and shipped. Tn.
II dry mixing process is used when nitrate
y ~. soda is employed. for the reason tina
u its nitrogen would be driven off by th'
l. suphuric acid. 1t is also employed b,
y the smaller manufa cturer's who have n,
suphuric acid plants. Such buy acit
Il phosphate ground phosphate rock dis
y solved by sulphuric acid from the large
II manufacturers or else use none Of this in
y gredient. The process cuutempates tlu
r. thorough mixing with shovels, screen
and perhaps pulverizlng mills. OF the DR.,
II ingredients. Sometimes a so-oalled has
v pile" is used as a basis "a low grade fer
IS tilzer containing no nitrate,. 10 whicl
n are added weigh ed amounts OF high erad
o Ingredients like nitrate. muriate dre
II blood. etc
:; sage-Fertilizer, are used alone
broadcast: in the drill; and supple
mens TO farm manures. Az employed &
Vermont except In special crops tpota
- toes for instance) they are apt to be bes
" used In conjunction with manures Thes
10 latter ought to supply most Of The need
y =, ed nitrogen particularly II clover is fred
~" ly sown, heterogeneous concentrates use
with discretion and pains taken TO pre-
vent teaching and fermentation The
u one need not usually buy large amount
~ OF organic nitrogen though some Quckl
J" available form Is often needed pro,nptl
- to start the crop The prevalent praotic
-, OF placing all the fertilizer In the drill
not advisable. particularly when 1t is use
alone; for It may cad to seed bIrnin
and Is quite likely to encourage root cor
w centration instead oc the more desirabl
ROOT diffusion. Hence hroadcasting
y, consd Gro BILE proposition is 10 be prefer.re
IN many cases
=, AS to the amounts to be used. no on
-, can with certainty prescribe Man
~ use ridiculously small amounts OF 10
-, grades on III prepared soil, and the
an curse the fertilizer and declare il
~ be a fraud. Fertilizers are not par
-. aceas. do not take the place OF prop'
,d soil flttin9; but when the farmer ha
oc done his best to 't the soil. the we
chosen and properly applied CONNIE,
: cia fertilizer becomes In way a
al insurance policy; but only so II ad,