Atlanta semi-weekly journal. (Atlanta, Ga.) 1898-1920, 1911-04-14

TO what extent may cotton seed mea
o utilized m a fertilizer formula is q
question which seems 10 be uppermosi
In The minds OF hundreds of farmers
At this season Of the year This. OF
course depends largely on the character
nf the fertilizer which one desires Il
make. For instance. on the best Of ouI
led clay soils where cowpeas have beer
plowed under, good formula to use
Tor cotton would be an S-2-f: where COW
E4as have not been plowed under. an >
81 would likely give better results. For
corn on this same character of land prob
ably a So viii be the mOstl desiraoie
formula 10 use. A fertilizer containins
per cent Of phosphorus. per cent OF
nitrogen and 4-5 per cent Of potash may
he prepared using 100 pounds OF cotton
seed meal as the basis. and high-grade
acid phosphate and muriate OF potash
Tor the supplemental materials. In other
words. a ten may be mixed so as 70
carry l6I pounds OF phosphorus, SIS
pounds OF nitrogen and % pounds OF pot
ash. In determining these figures cot
ron seed meal is credited with carrying
SIS per cent OF nitrogen. IS per cent OF
phosphorus and Is per cent OF potash
In many instances those who utilize cot
ten seed meal fan TO credit It with me
phosphorus and potash which IL carries.
Do not overlook this point Tor AtW
pounds OF cotton seed meal OF the grade
mentioned carries = pounds OF phospnc-
rus and Is pounds of potash. and Is en-
titled 10 credit for these ingredients as
much "a II they were derived from any
other source.
A formula containing per cent OF pnos-
phorus. al per cent Of nitrogen and
4s per cent Of potash may be prepared
~ using 500 pounds OF high-grade cot
ton seed meal as the basis OF the fertil-
izfr ton OF the mixture compounded
Of cotton seed meal. high-grade acid and
murlate OF potash may be made TO carry
80 pounds OF available phcsphoric acid,
4aE pounds or nitrogen and 81 pounds
Of potash This formula would be low
low IN nitrogen for corn. and in some
Instances cotton As well on clay lands
which contain a considerable per cent
OF sand This difficulty could be over
cone by using LOO pounds OF nitrate o.
soda as a top dressing which would
bring the percentage OF nitrogen up to
> little more than per cent Sandy
lands require heavier fertilization than
clay lands. For these soils the phos-
phor1s should BE- increased 20 ~ Per
cent. the nitrogen to 5 or 4 per cent and
me potash from 4 TO S per cent The
sander the land the higher percentages
O. potash which should ordinarily be
usea for both corn and cotton or the
rrous corn viii require the heavier ap-
ulfcztlon and the more liberal use OF
nitrogen because OF the much heavier
draft II makes on the plant food ele-
merits IN the soil.
4 fertilizer containing approximately
il per cent OF phosphorus. 375 per cent OF
nitrogen and 4 per cent Of potash may
be prepared By using go pounds OF nign a.
Grade cotton seed meal as its basis. zoe
SOUNDS OF high-grade sulphate Of am
monfs. and tire necessary complement q
phosphorus and potash ton or such
! mixture would carry about Do pounds
= nhosohorfc acid. Is pounds Of nitro
gen and 81 pounds OF potash This would
BE- regarded as q very high-grade goods.
hut Il could be prepared As indicated
with perfect satisfaction. and enough 81
Tire nitrogen be derived irom an -
rnric source 20 insure the crops be-
ing fed to good advantage Throughout
TIE growing season, even though THIS
h. relatively long Some viii on1eci
a. fncoruor stlng 50 much high-grade sui
phafe OF ammonia directly with the sgol
hssf there Is not serious danger OF loss
from teaching except in extremely sandy
land which is unusually low IN organic
matter. In such an instance. this danger
Mould be overcome by not putting all
me material uncer the drill row at the
EIEUE Of E1aA&AAHf NNt Aa+A- = 49, - -
a. SIDE applications throughout the grow
frR season.
IN soils that are extremely poor in
nitrogen. phosphorus and potash a. well
the amount Of sulphate Of ammonia may
be cut down BY 100 pounds and an In
crease in the mineral elements thus Sc
cured The nitrogen application may
he maintained on basis Of per cent
Or even more BY using from 100 TO zoe
pounds OF suIphate % ammonia or nj
frafe Of soda as a side application in the
form or a top dressing at the period in
the history Of the plant when IL is like
IL 10 prove the most serviceahle- Ever
on unfavorable soils. seasonal conditions
sometimes result in the production OF
an unusually good crop. and no rule car
be laid down as 20 the amount or time
Of applying side applications. especially
Of nitrogenous fertilizers. From 400 e
500 pounds Of the above formula may
be used with advantage on corn and
ectton: heavier applications are natu-
rally required for corn II should also
he borne in mind that the relative eff
cheney OF . f0reilizer is frequently de-
1armined By the amount OF vegetable
matter which the faruter has incorpor-
ated in his soil All Of these formulas
vii give better results where they car
be snsed after coVpeas or in conjunction
with compost or yard manure