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EXPLANATION OF SOIL ANALYSIS REPORT
<br /> %0 4GANIC MATTER AND ESTIMATED NITROGEN RELEASE(ENR): Calcium Carbonate Equrvalenl(cce): Same examples.
<br /> The%Organic Matter content Is determined chemically on the dried screened Solt Pure ground calcitic limestone(calcium carbonate),=100
<br /> sample. However,the total organic content may be somewhat higher than reported because Pure ground dolomitic lirrastone(calcu^n magnesium carbonate)=1 og
<br /> larger pieces of plant and animal residues are screened out prior to analysis. Onljt a part of Hydraied lime(calcium hydroxide)=135
<br /> tha total niirogan in the organic matter of a soil will become available for plant use during tna Bumad lime(calaum oxide)-179
<br /> growing season. Many factors such as: soil moisture,soil temperature,the soil's physical
<br /> condition,and the amount and type of crop residues present all have.a'effect on bacterial Fineness Factor(ff): Calculated as roi'ows,
<br /> action,Triorefore,the ENRvalueisonly aguidatofhenitrogen supply avafableforthegrowing
<br /> crop.For additionalinformationonnitrogenreleaseandrecommenda€€on guides see our book Add up the fWowinqq values...
<br /> 'Soil and Plant Analysis'. POrcOn€passing#40 sieve x 1.0
<br /> • } Por^,Ont passing 420 sieve minus percent passing#40 sieve x 0,6
<br /> Percent passing#10 sieve mines percent passing#20 slave x 0.3
<br /> CONVERSIONS: To convert to fGs!A ypecfsoilanthe, dtfllagedepth should beconsidered. Material that does not pass through a#10 sieve is considered to be relatively non-effective.
<br /> Most nnrsral sails weigh approximately 2 million pounds(dry weight)for an acre of soil Moisture Factor(mf);_+
<br /> 61 12-7 inches deep-An acre of soil 10 inches deep weighs approximately 3 million pounds, n 100
<br /> In the past,most iaboratodes that reparled results in lbs,per acre were Considering 2 million
<br /> lbs Of soil per acre(results in ppm x 2=Ibs per acre). However,with deeper tilfage pracrfces Lime scura-cce x if x nti
<br /> used today many growers are dealing with nearty 3 million lbs of soil per acre. Comrnan agricultural Ilrna(70-score)may exist as g0 cce x 0.651'x 6.50 mf
<br /> Conversion Table: - The iallow''n9 fable is a Carfare!Cuidelino for use of common agricultural lime with a lime score
<br /> 2 Million Ibs 3 Million lbs of 70.For other{iming materlats,divide 70 by the known lime score then inuitiply dy the rates
<br /> Resutts of soil per acre Re.sufts of sol!per acre n fha labia,
<br /> in m- 6 ill-7 in.deep in Rpm 9 -i 0�, in
<br /> deco
<br /> Tors/acre aggrlaultural lime(70-score)per 6-Inch depth
<br /> 'P x 2 _ per acre of P P x 3 - lbs per acre of P Adapled from"Methods of Soil Analysis"Parl 2,ASA Publication,
<br /> _ x 4.6 _ lbs per acre of P� x 6,9 - lbs per acre of P,Os using the SMP sin
<br /> r�la-butter method.
<br /> K % 2 4 bs per acre of K K x 3 - Ibs per acre of K Buffer Index Mineraf Soil Organic Soil
<br /> M x 2 per acre of K20 x 3.6 _ lbs per acre of K20 SMP PH To PH 6.0 To PH 6.5 To PH 5.5
<br /> 9 - ibs per acre of Mg Mg x 3 - bill
<br /> Ce x 2 _ lbs per acre of per acre of Mg 7.0 none nous none
<br /> � S x 2 � � x 3 �per acre of Ca 6.3 none 0.5 none
<br /> Ibis r acre of S S x 3 - Its per acre of S 6.8 0.5
<br /> S x 6 - lbs per acre Of SO4 S x 9 6.7 1.0 1.0 none
<br /> B,Zn,Mn, a.Zn,Mn,, - per acre of SOa 6.6 1.5 1.5 none
<br /> 2.0 1.00
<br /> Fe,Cu,Mo Fe,Cu,Mo 6'5 2.0 3.0 '1.5
<br /> x 2 - ft per acre of S.
<br /> per acre of B.
<br /> Zn.M .Fe,Cu.Mo x 3 _ Zn
<br /> Zn.Mn,Fe.Cu.Me 6.42.5 3.5 2.0
<br /> 6.3 3.0 4.0 2.5
<br /> ( 6.2 3.5 4.5 3.0
<br /> PHOSPHORUS: 6.1 4.0 5.0 3.5
<br /> 6.0 4.5 6.0 4.0
<br /> Two different tests are made and reported for availability of phosphorus In the sol.
<br /> sample. The P,and NaHICO;P phosphors on al
<br /> Tests are routinely run l A& L Western 5 6.0 6-5 4.5
<br /> Laboratcrlas reports. 511
<br /> 6.0 7-0 4.5
<br /> 5.7 6.5 8.0 5.0
<br /> ` Weak Bray(Pi)-This method determines the amount Of readily available 5.6 7.0 9.0 5.5
<br /> Phosphorus In the soil. A level of at least 20 ppm of P Is desired for average 5.5 7'5 9.5 6.0
<br /> crop production and a level of 30 ppm Of P or more Is desired tar top yields of Example: if the SMP buffer index reads 5.9 then one would require 5.0 tonslac to raise SOIL
<br /> most crops. pH a`a mineral soi'to 6.0 or 6.5 tons ac to raise it to 6.5. 4.5 tons/ac would be required to raise
<br /> Bray(P:)-This method determines lie.amount at readily�valla
<br /> Strohan q'gan:c sO!to 5.5. Lim:!apphcalions to ioss than 4 5 tonslac at a time.
<br /> Strong ta
<br /> phosphorus plus apart Of the active reserve phosphorus In rho soil.. A l.?vel©ul;1t If lria'(Gll_Pl't is 6.6 and above.„o buffer index WO W determined since lime would not he
<br /> oefasmastt 40 ao sP and preferably 60 ppm of P or more is des!red for geod ylalds "eeced for most crops. Crops,ais,rn nn cxr}emir-so''s usually do nor benoti€from fiming unless
<br /> P the se0 pFl is less than 5'.3.
<br /> Sodium Bicarbonate(HCO;P)-This method datornines the amount ul readiy LIMING:
<br /> available phosphorus in calcareous soils,(having free lime present.)A revel of at
<br /> least ioppm P andpprreferabley 15 ppm of P OF more is dosired for good yields of
<br /> most crops.Foraddlt'torta,]inlormathonon phosphorus availability and recommen- Apply'rne only aper;he soll hats beer,tasted. TOO much time can be as harmful as
<br /> dation guides see our book'Soil and Plant Analysis.'
<br /> CATION EXCHANGE CAPACITY(CEC):
<br /> Lime must bo Ioorougtt,y mixed with the soil for maximum effectiveness.
<br /> The tailor exchange capaclry(C.E.C.)is a measure of the capac#ty of a soil to hold
<br /> - exchangeable cations. These include Hydrogen(W).Calcium(Car,),Magnesium (Mg,). It both magnesium and calcium aro needed,apply dolomitic time to help supply
<br /> Potassium(K•),and Sodium(Nw).
<br /> magnesium.
<br /> C-E.C.is measured fo iarmsof mllllequlvalonts(meq.)per too grams of soil.it depends
<br /> largely on ilia amount and typo of day Present and the Organic matter content. The larger this EXCESS LIME:
<br /> value.the more cations the soil is able to hold against leaching. i
<br /> PERCENT CATION SATURATION- A visual rating RI free time present. Solis having high amounts of free lime available
<br /> will have associated problems in the availability of major and minor elements and d1fetence
<br /> The balance for the soil colloid recOmmendOdbymost soil scientists is651o75percent in choice Or amount Of soil amendments.
<br /> ca€cium,10 to 15 percent magnesium.end Item 2 to 5 percent potassium.
<br /> The parcentcallonsafuralIon lscalculatedfrom the C.E.C.and poresnisaturallonofCa SOLUBLE SALTS: i
<br /> Mg,K,H,and Naisreported toassistyDuindetermining the balance ofcationsinyour soff,For
<br /> additional Information see our book Soil&Plant Analysis' For lntormal-on refer to our book,-Soif and Plant Analysis'.
<br /> pH:
<br /> SULFUR;
<br /> Soil pit;Thesoil olds measured offa saturated paste.The soil pH measures the active
<br /> soil acidity or alkalinity.Minerilsells should have apHof6.0to7-0 fa most crops.while apl-1 All crops need sultur.The highorthenltrogenuptakebyacrop,the
<br /> range of 5.510 6.0 is adequate for weenie soils. greaterthenead for sullur, A level of 15-20 ppm o'available sulfur should be maintained for most crops, For S
<br /> Buffer Index: The buffer pH is determinad with the Shoemaker,Mclean,and Pratt additional information on availabOy of sol€ur and making sulfur recommendations see our
<br /> (SMP)builor solution. The lime requirement is determined by the deprcrsslon pl fha butter pH
<br /> ebook'Soil and Plant Analysis-.
<br /> byacic;iryinthe Soil sample. The amount oflimestOnaneeddtoneutralizat eacidi
<br /> has already boon determined and the following table Ia a general guide,but ver alityons from MICRONUTRIENTS:
<br /> Other ppublished guides may occurdue todiffetences in Ilm istone fineness,neutei€zivalue,
<br /> g varz
<br /> and plow depint.
<br /> LIME REOVIREMEN_T; The avallabtaieveisofmicronulnomsare rated lromvery low tovery high.However
<br /> Lienapplying the recommended amount of a certain micronutrient with a law.rating will not
<br /> is a aru(rementdependsuponthequallty(limescore)ofthelimingmaterialused.This necessarily ensure a crop response because of the many factors which may influence
<br /> function of:
<br /> ictal neutralizing value Or calcium carbonateequivaiam(me),degree of fineness or particle Pansa ars:micronurrlen€rsponso. Some of rhe factors which fnfluenpe res rapidly changing
<br /> size(fl.),and the moisture factor(mf). spit pH,excessive leaching,crop variety,and plant popuiatlom For additional information on
<br /> why plahls riasd micronutrients,their availability, interactions with other nutrients,and a
<br /> reccmme^dation guide see our book"So;i&Plant Analysis%
<br /> lour reports and letters are for the exclusive,and corlfidentlal use of our cfenis.and may n6I be repro€fucc;d in,whole or in
<br /> + reference
<br /> Pan.nix may any be made to thework,ihe results or the compary!n any W adve(s_pg.news release,or other public
<br /> announcements ftut obtaining our prior written awhorizalior..- COpyrigill 1977
<br /> Revised 6186
<br /> r 4 • �
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