The Coalville times. [volume] (Coalville, Utah) 1894-1923, 1897-06-18

~" ca ",u Of CIV.
cry crop that the
farmer or the horticultural pro-
ducca. n the quantity that the crop
can get OF amy one OF them ~ too small
Tor tho making Of a good yield. tho
yield will not be sufficient no matter
how much there may be- ot al the
others. II the quantity of any one OF
them n more than enough Tor a good
yield. II Is only fooliahncHa TO supply
any more OF that substance In toft'l-
izcrs The supply Of water and llH
constituents. aud Of carbon. are prao-
tirally beyond the control ~ the crop
grower except IN no far as water may
here and there be supplied BY irriga-
ton. or may cyeryw hero be- conserved
by shallow surface tlllagc properly
managed The supply Of lime IL uau-
ally large enough In ordinary arabic
soils. Therefore only nitrogen, phns-
phoric acid and potash are LETT 10 DO
looked after: these. a. every consumer
Of commercial fertilizers knows. are tao
things that he pays for IN whatever oI
those fertilizers ho buys. ~ the IN
PRODUCTION OF lerumln0ua plNnt1. uuch
no clover. vcioh. luplne peas. bean and
the like. into his rotations. he may save
himself from the necessity Of buying ~
much nitrogen aH no might Otherwise
have 20 got In order 10 preserve the
proper balance Of the plant foods In his
soils. These crops, as almost every
farmer knows. can got a part OF tholr
nitrogen from the air; and they viii
In general get more Of Il from the air
and less from the soil the poorer tho
soil Ia In available nitrogen, aud tho
richer II IL within certain limits Ia
potash and phosphorio acif Every
ordinary arabic soil has Tar more than
enough OF nitrogen. phusphorio acid
ana potash for tho production OF a good
many crops. and yet there are many
such soils which will not yield paying
crops unless fortified with ono OF more
OF these very same plant fools Il may
Do taken for granted that an acre OF
every such soil contains In the upper
most twelve inches at least ,aC0O pounds
OF nitrogen. 5000 OF potash and $500
~ phoaphorlo acid. These quantities
aro from 80 TO 600 times greater than
those sold on the farm In any crop.
There IL ut least 90 times 40 much nj
trogen In such a soil "a IL sold In any
part OF any crop. and much Oitenor 400
or even 200 times as much There u
at least 100 tunes ~ much potash IA Ia
carried on the farm In any part OF a
crop sold. and oftcner GOO times as
much. similar ngurca might be- given
for phoaphoric add. why. tnon. must
wa tsrtliizo our coils In one way OF nn-
otherf
Tho one most important reason IL
that these plant foods In the soil are Tor
the most part In an insolublo. or as
very commonly said. unavailable form.
and that they usually become available
only little by little each year. That
they d. thus become gradually avail
able II clearly shown by some Of the
experiments Of Lawcs aud Gilbert. OF
England. some OF their plats have
yielded cropa OF wheat and other cor
calls now Tor nfty years and more.
without any manure. 4, may be. how
ever. that one Of these foods docs be-
come available year by year In large
enough quantities To contribute It's
share towards n good yield OF some
crop, provided that there Is enough OF
the other two. but that there Is In fact
not enough OF the other two; or II may
be that enough OF two Of the foods will
become available fast enough each sea.
son for good crop, but that the other
one will not. there will be only poor
crop IN either ease.
There are casoa In which Il would be
only folly. with some thousands OF
pounds OF the ono or the two foods In
the soil, aud Ia such condition that
the crop grown ON IL can get all It
needs Tor good Yield Jat least for ono
year, and probably Tor the next year.
and even Tor few years morcl. 20 buy
these foods in commercial manure. nor
would II bo the height OF wisdom 10
keep putting them on the soil year after
year In stable mlaGr". since that also
contains the three foods under consld-
Grafton, as well as other useful sub
Htanccs