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<br />Land che.ra.ct.Ei.rleU~e <br />Sons s 0-.5 <br />Tenure <br />0-,' <br /> <br />3-5' <br />Inte1"llal charac:terts1;,1~s <br />Exchangeable sodium <br />Salin1'ty <br />AlJ<alin1ty <br />Pe:rmeabill:ty and <br />il:1tU'tration <br />Ava1lable E20 <br />!>pt. <br />To sand or gravel <br /> <br />To broken nonsallne rock <br />To 801.1d nonaal.j,J)e rock <br /> <br />To sa.llne shale <br /> <br />To penett'abJ.e l:illle ~ <br />Topograpq (t) <br />SIlIoot.b elopes in one plane <br />.UmluJ.a..t.u.g alo1Jes <br />-. <br /> <br />CO,",r <br />Rooks <br />Brwoh <br />Dre.il:lae;e (d) <br />--- <br />MW1m.R 4eve1.opl:lem; costs to <br />reach eJ.ass 1 product;1v.1ty <br />Y At 20 cems per cu. ~. <br />y At J.6-.2{3 cezrt,s;per cu. yd. <br />'31 At J.6 CEtZIts pe:1' cu. yd. <br />'9 At 20 cems per cu. ~. <br />"if At $1 per cu. ~. <br /> <br />Class 1 Arable <br /> <br />Iedium sandy 10Slll to tr1.abJ.e clay <br />200m. <br />Sanay loam to cl8y loant. <br />Less than ~. <br />Less'thanO.~. <br />Lee.& than pH 8.5. <br />No layer less 1;hsn 0.5 in. per hr. <br />Greater 'than 4" in 4'. <br />42" f'ot" sandy 108lllS~ 36" for 10!llll <br />and cla.y looms. <br />60" <br />&me but 'With 6" b.1ghJ.y ~le <br />J.a1er above rock. . <br />72" w:ith 12" highly permeao1<i! ~r <br />above weathered. shale. <br />24" with 60" 'penett"aole. <br />Fran 0.5 to 4.~. <br />Fran 0 to 31t> in gezleral gz.oa.d1eDt. <br />AreNl greater than 500' in (U.rection <br />of 1rr1ga1liOI1 rues; !.eveJ.ed by <br />~ 1.Elss tliaIJ. 150 cu. yds. pet" <br />ac.Y; :miI1:imJ.un depths requjxed <br />after leveliJ:lg. <br />Less t.han 20 cu. yds. per B.C.2/ <br />Clearing eosta lesa thaxl $2:) per ae. <br />Conected at eostS of $5-$25 per &e. <br /> <br />$l.o <br /> <br />12 <br /> <br />~ifiea.tiOl1S for lw:ld classification <br />CJ.a.ss 2 A1'able Claus Arab e <br /> <br />IDamy tine s8Zld to very pe:meallle <br />clay. <br />IDamy sand. to J?ernw.able. clay. <br />Less thM 15$. <br />Less th8.l1 0.51t>. <br />Less th8.n pH 9.0. <br />No layer less than 0.2 il1.jhr. With <br />most J.a.yers greater than 0.3"/hr. <br />Greater than 3.5" in 4'. <br />42" fOr loam;r :fine sands, 36" for <br />sll.:Ddy loe;rns. 30" for J.Qams~ c1.ay <br />48~s, and clayI;. <br />Same "but; With 6" bigbly permeable <br />layer above rock. <br />60" With 12" bighly permeaole layer <br />l1lbove 1reathered $bale. <br />18" nth 48" penetrable. <br />Up",.. <br />Up to $ in geeeral gradient. <br />Areas' greater tban 300' 111 d1reetion <br />01' irrigation runs; le.-rel.ea. by <br />~ less than 300 cu. yds. per <br />ac.if; JIli.n:11rlutIl depths required <br />a:f'ter leveJ.iIlg. <br />Leas tban 40 cu. yds. per ail.oS' <br />Cleari.ng eosttlJ.ess than $40 pEl;!:' 81:. <br />COrrect<i!d. at costs of $5~$45 per &c. <br />$60 <br /> <br />~ S!Uld to pexmeabJ.e -le.)'". <br />Loamy sa1ld to permeable clay. <br />less than 15~. <br />lass t.ha;n 0.51>. <br />Less tbatI pB 9.0. <br />No layer less than 0.1 iD../hr. With <br />lllast great.et" tban o.a m.ftrr. <br />Greater than 3" in 4'. <br />36" t'or l~ sands, 30~ for se.tId:r <br />~OaIIlS, 24" for loams, clay lomos, <br />Wld cU\ys. <br />,6" <br />36" ldtb. 6" ~ permeable la.yer <br />above roek. <br />48" with 12" h1gl:1J.y :pernle&bl* ~r <br />above 1</ea;tl1ered sl:1aJ.e. <br />14" Witl1 36" penetrable. <br />Upto~ <br />Up to 10'/: in general gradien't. <br />Areas gr:eater than 200' in d.ireC'tion <br />of ;trrigation runs; leveled by <br />~ less 'tl:IIm 500 ell. yds. per <br />AC.J/; IIIilWuum deptbs requ:Lred <br />e.fter l.e-reling. <br />Less tban 70 cu. yds. per 81:.'2/ <br />Clear1De; costs !.ess than $70 per ae. <br />Conect.ed. B;t. CQSt.& of $5475 per ac. <br />$90 <br /> <br />P L:1mi 'Ced arab~e <br /> <br />Ioam;y s$nd to slowly penllea'ble clay. <br />I.oamy sand to sJ.ow-ly pemeable clay. <br />Lo:ss'thsn~. <br />less than .7':11-. <br />less than pH 9.0. <br />lio ~r'.less tl1an O.err :!n./hr. nth <br />lllast gt'Elater tl1an 0.1. <br />Greater than 3.0" in 4'. <br />30" for lollIIG" sands, 24" tor sandy <br />lomQ.s, 28" tor lo8lllS and cl.8y <br />10SlllS, 12" for cl.ays. <br />24" on slopes~ 30" 1m f1at arellS. <br />Same bu.t Witl:1 6" bigh.ly permeab1.e <br />la3er above X'Ock. <br />36" on slopes, 30" 0J:l. flat arellS V1th <br />12" permeabJ.e la;yer allow sbale. <br />12" Witl1 24" penett"able. <br />Up '" """ <br />Up to 171> 1n generaJ. gt:'adient. <br />Areas gree.-ter -tban 150' in direction <br />of 1.rr1gation runs; leveJ.ed by <br />~ less tl1an 150 cu. yds. per <br />ac.Y. 1llin:l.ImD deptl:ls required <br />after """"""'. <br /> <br />AlDotmts tlO't in'terferilJg llIa;teriaUy <br />-n'th grazhls. <br />Clear~ costs less than $20 per ac. <br />corrected at costs 01' $5-$25 per ac. <br /> <br />$l.o <br /> <br />ClaB. <br /> <br />N""""",-" <br /> <br />Lands wbich do not meet "the <br />IIlin1DlutIl requ:1rementa for a <br />h1gb.er cJ.ass. Also llllIal.l <br />or isolated areas ot arable <br />l.and. Also arable la.nd <br />above BZlY contemplated plan <br />ot' deve1.o"pnen't. <br /> <br />Basic laDi developnem; coats <br />(Class 1, 2s~ 3s) per ac. <br /> <br />Cleoring <br />"""" <br />&-uoh <br />lovellng <br />-- <br />Cut "'" fUJ. <br />_.__e, <br />Iat=&ls and <br />headSStes <br />_. <br />.."""""" <br />"""", <br /> <br />Total bS$1c CO$ts <br /> <br />0-$20 <br />0-$20 <br />$3.0-$30 <br />0-$20 <br /> <br />.5-125 <br />0-$20 <br />0-$20 <br />$5.-$25 <br />...,...,., <br />