TNTRODUqNON '. l' 'p..@!l d6d d dttl,n&', Tte ,ffi d only b. srL nG pcodedv. bt irig.tion, lndsibi@ r oridiSrtid mtd vitlout dy IMag@t h$ @Ed .dinity Fobld .| ldt Pla6, Cdi.qm$/, s.liniq La b€6tu . ihr.t b food 3upply, Aldbueh thcE i, cll@dt M dough for -{ppro:jdely L,tf of tb. ood.l! l,!d ru6e clE@icrly uddor4hcd (Conerr, 199?. GrceL of tL. hl)M populdin by 5el., &oD bilid by 2050, @ lhlt @p prcductioo 6Nt i.lfu if food wEtt to @!84 6p.@lt for rhoG v[o liy. on .bod t I pd &, Gni N'liU.dir Ndtio., 2000). U.toMelt, r rdog IEI rith elltd@ thrm ! iFhrn6 qrdim @ tlc seilrbilit of ui.g iEi8rdon b io.rw 6od Ploddid dd n bd hcl ctcei@ (Shdnon dd NobL, lgrq Fl.@ od Y6, 19t lhlt d. Fi@!y '+u.d dE of ;r;ng 6. et br.F€ of dop. *i[ b. 6 i!. sbid$nr or jriSrrid Gid d. @ br *rid 6od p&&ciod vil hrG b b. inda*4 n @ @bL b prqlid tlt -r^-gi-g th. .L ooldleot @F vil h. o irydud sld of p!!t br.diDg in d.6dr., irgb6.l fo.d p6dfh ir ro b. -tnFt.d 0:kd.!12004). 6.16 id in bid -,ml to 93 P.tisb bs . bbl Lld .F of 80 EiUio! hee. Dud'g th. Fiod 6m 19?0/71 6 200?/03, tn oftiht d € ilcg&d &oo 16.62 oiuid b. b 2351 oiUion dtu, eith o d!.l BFwth rE 040,9 p.!@t Duin8 .h. s.4 pdi.d thc popnLdd id@s.d Gd 65 bilion b 160.9 diUroa r.gndi.g r 96*$ of 3.0 p.@t F me In cds.qMe d€ pd dF,i! lnd.Eilbility &6aEd &@ 0.25 hdtr4 ir 1970/7t b 0.r5 h.c@ i! 2007/08, iqith . pFj..t d @u,l gFwtL of 1,9 p@! thc popdrl[ wiU bc @u.d 190 Eiuio! by th. yd! m15 F.<Lrt busu .dirticJ, 20OB). Agd.deis tn b6i! of !.Lb6'r edmy,23 bilion he@ ir ued fot ce? pbduction, About 18 biDlr b (80 p@!0 oi &. olivdt d lqd b nigrbd e€ 'Me t@iodd s udc dry frmi!3. Thc c M principd .rp @ in ?.lbd .rn lt "Kl{? , eidl 3din3 r"ti.#8 j! April .!d hd$ h.eeo O.6bd 6d D.@!d .!d 'T..bi" h.gi6i!e ir Ocb6.FDebq .n t Gddi.g in Apd Mry. Ric., sugt e!., odo4 2 @izc Ed oilkt c rl{if oo!., r|il. rh6t, gEb, b6€, Ep6..4 b.d.t dd oE!.d Th. bt l d dop pFdu.ion in P.kilM ire..d 6@ r0 Ej|lion tu in 1970/71 ro rb.ut 111 billio! b.@ ir 200?/0& T[n m.chid€d de 6 Echnolosicd dmr.p66! i! Ends, sd NdLbility, .od Eltitia le NiE g6d 6drili6 ffi i!6d!c.d i! Prlitrrd d 195q ph6ploru ..@ t6 Lu i! 1959/60, 6d !orr!i6 @ihE t.m ta' bE io 1966/6?, Fdila E srin d tud .&r 1966/6?, vn@ hiSb ti.Llirr wnii- of @l @F @ ilbdE d Mcr tEnli'6 G u..d d ilisrrd doF. ln !i.f.d |g E ir 3tI k9 Lry F.ndl bllgu sdidics, 2mq. t"t- DEIERTIFICATION D€diiqtid do€ st Ffq olry !o tL .-rn.id of qntlg ded bd n ildud.r thc h.d d-4.r";{ i! di4 !@i{i4 od &r slEhuoid .g. r v.ll Vb@ i!. l@'rr!d r?-t.t-" ! of6 E[d.d b thc d..lic in ih. rilducirc op*iv of 6 di @ dr b p@ i..lr..d di.tr br hl|@ dieiy G.bsd .'d rtbo4 199a_ T!. p!@ *add8 b Lld d.gnddid & sdesly In r4 noF tbd cNrn i@ing i.6.ni ad ao.d e@ th€ gloeile popdnio!, vlicb !eNl6 iq @6-cxploidtor of qlul t!')@ vith little cdileatid for Mifiili.g suEi.,bililt of tL. @b.1,!!, Hu@ diviri6 !u.h G tL. jnftddir of l,tg.{aL idiq.do.! &6osbdd d d!.!c.d ildsdirl gwdr Ld to wiou Lad d€r&rir ti-4.^, itsr;;g ;'".a.t, sil r"-dtdo- tb@e! dinidioa ooodioS, dErgnt, .a.bt d dba rc-bgilg, d lh4 p@ id M EdE "g;,L,*' ped,*dd9, I-d-g b sid ioEi9 'd 110 h.v. dlylaftls tlat tdgS.Ed by G Fotcntirlb tbFded hy rbFtcn d by d@d6.diod, d.rdi6..tion: A&iq Asir dd I!ti! AlGio G &. lIEt rLls @ rbii'l i..4 5i!id h!.dF of rhc dt!'3 l,!d ir&e ir rhs@.d bt deni6dim, rnd lmr 25O miliod !cod. a {ticdy rftsrcd by deni6qrior 24 bjllim bo of ftlirc rcih irGpp-r -ii-trt P6d. Iniig i! 6r d6.di6orin c '@.nsb.d foEd b @. clsdh@ b 6!d otld @ of lireliLood u.ldly tl.t risEb @rds und r@ d Bo .!url lGs oiedbn i! r bid -i-'q '-e of d6dii6edoo (VMO/ lrNCCD, 2006). Fl@ 1999-20@ .1d., dbrgbb [lE hd -?@ti{! fo. oE 2$,000 dstt6; t!.t r6dEd fd 11% of t!. bbl sE-Elrred das6 0UCN, 2002)- F'@ 1997 2020, rm 60 milion p<.pL & crp*r.<l b o@. to6 r!. d.cdi6d rFs h sub, S.!.m1 Aflic. bvarrl NoriLd Afrd dd Eep. (WMO/IINCCD, 2006), P*irh L r l,!d of diEit. Th. $@io.L-r e.tllrd 6!o @dl bach6, l,gm dd @rg@ s.bp{ i. rll. sudr b sqty d..6, .L'ohE pLbut diGr..l uphld i! th. bi.& . rrd hiBL @EbiB vi.[ haniin BILys, sms-@d.d pals dd @.t gL.i$ ir ri. rcdL T[. pboL of Prli.b (qc.pr . o,e bdt i! th. norb) L dia b !@i- eid 6d ba r lov. tuirb! rj!fllA6o!t 68/0 of tbc popuLtiod li6 i! nr.l ,g, A8d.ulrrc ir th. Ingd md holr ihpotut #tu 6f Prtndt {o!o-t It 'fu6 b. rlodt dctlird of the g@ dolgtic pFdc dd 8.!@ rbou. @ tb!n! oI Paknbt 6d ldsgn d.q-.g- abEF. 5dtilc phio.t .nd Prlisb i3 !d d qceti@ b l{d ,.gE;^i- 'ft@ L . *;@ pobLd of d6di6..tio! in @y p4 of th. @uE . Brfui (d.?ddiog @ ri!6f) l,!d5 e 3uljet d to hdq &n esio4 p'in";rl du. 6 ibpropc h.d e b, dop cultihlon, livetock Cnzng ud iuced l@ond oivcScbrid @d. Dsd! i.v. .dt p&blcc of sbifti4 @d dl@ 6d slidig. ftc ifigred rl$ n inr6&d vith rA. sj!-@ of vac loBilg .!d slmt bde oa 6n6...g.oFr of SLjlfu t d Kloi th@ i5 '@, stbdbrid .Lb!8. b @F rid propag bt ILrh o.ods G 6E @i! pd.!s of d.di6s|n)c vc8dti@ d.gh&tioo. *E @3io4 .dd vild ftsioa saliriz.tt a od sil cmp.ctid. Sdjniz.tion it ou inr!6t s n Tb@ LLL Ir.diderid wi.n Ec@c b S.tiniry D€.di6ddd 2nd slirirdo. lhodd b. otrdud.d ioilrty rnd eipbqn, bdu sliliztion rd d6.ri6eri@ e oftd clo6ely F-Lt <L D*ni6adb dd 4 vi! [@ n.6 ru.6 an iEpropc polici.. dd l,!d us., @.rgrr,idg of thc dyit@i rd r n€sLq of @n!.m.ior L Eqo thn b6i.L. dtud &ctu, *io.Mdic c.uo rlso dbibut !o tlc sdild of botL p@G. sIlir.ti@ c .'ciEd nd odt eiA M- oLi?ild .g hut r&o , pEeol6 sft --'*r;!o, qbin is @ of tb. cf,ddiri: of tL..di!. eil Oa th. orld l,ia eloiation o|D r ditui.S of pLot @o d tb. bil @&e, which n th. @ d. of rL. rdihld 6f dccnifiaion. Sud c@lnid datly rLodrba tL€ ilEc.Ltioalbip b€dm thc eo prt]ffi Gabolq, Dedi6d.bo, e r nn r9t6). d..di6qdd n. rdt p..il "rib9 bde r!. p66ldh{ Sl,t l iEp.d dd wil @t b. bly.d 6ough. Blobrl .fiotr .!d .pp$cl, Ir bly Equis rh. egetioo 6d suppd of d€ ddE globc to btiog .bd thc .(.ctiy. rcii@ th.t c !..d.d toolr re$ M .!6 G inid of i!. Lnd u6e of th. voi4 i! ordd to rc this $i.t}l i?-'6 rd i! i@iog Bh6.l ibp..r (C.tdy, 199r. Coeb.tir8 -inr.d@ n d€ of d. dd d6di!..tid p!rq, It (lv@ly |flac! crcp pbdudid rbour 3f/o ot .L. 145 bilioo hdo. oi idiS.ed Lltl n 6. d!rl,!dr of '! tL. vodil (DEg& 6d Chorr 1994. S.n -^ $il slioiurj.E e[.d dtl,ld eli,iq ad|)€ riJds h @pl$d. dd NLnMi.l r.gid of AEd"lt, .---i., Tb,nrd dd US .nd +cid hrd i! tL. sdi lid of d. clis $iL vL@ .!. r6!racc, guliq, quEtity 6d oigtrir ofntE- ebbL lla c tt &@i@r 6tu of eil a6ing, s r.I6 of th. PLtieL .br-r od rio'oaiat -il pto?6ri* S't r@eu!!tn i! . dl libi! ti. dd.Iopldi of pLlt A..i.n didb, .!d ni@guis ic of tL. ddc bib !Ci.! tt in@ of rtility 6. biodimiq dr di!.ppd (Sabolcs, 1996), "sdt .fi.@d" d.6ns of a{o ot goii.. of LUM induccd ren d.ed&tioo proc*r c tdgnt.d th. 6Bt .L.L wir! d.g bdd 6r dieL@t oa rcn ddn4 p!ftiprly by lh. tu dd vird T!. s4dd d..h ri! i!@rl $n d.dioatid suliiaS &06 reeinioa of .!@id s!b6b!c.!, sh 6 &lb i@ of lutidb d thblgh pbFidt p@, n bdidC pDlols.d qlr Lej.s G.bs.l ed rlbdl 1994. dc$ .crriti6 G(od.!t diai9 eis (ptiE ry slid1g) rnd s . elult of hl)@ rfi€crd though pdbary sali.it b@rc lo.d.d wi.h !,t6 b€w eG S2liriatioo hotL u66ib opilldi.t b iL. $n !u!6e, tld.fc.ed by acsil eiility t g6@l,V balr sli& .!rl it rcr 6ily qliE d Pliorl' diiig i*lud6 r.[.nr 64 @ h !.lr d6[.q eL lrb od nlr L]q in .@el E8i@, irLrd "d in &n @dr of @irll lid i.$@. S@d,!t aliliq of $il od ErE b du. @ r,6-. 'nd rciivitiE dd t$ r ig"iF-{ isea.t on reil, vc8drio! rd qd @6.,, of th. s1|| t!:or@d ir . of t[€ ubrt .ldt -k"-n-t .E Ni, usErlr dt @( u .lfut sd @6t by of FiL Ed K., c.." Mg* ud rnr ffirl d io ud. aL. i@, vhicl e r.Aosit& fo! 1r* hthd @db6 ?obl6. i.4..4 g]G slb r.quild i! I pdicd{ pd cl.. of h.<ln of rtr lh. sr6 @r Lal.{i-l ddid*ithin.6ddvbi!@ sdini9 n' oE of i!. bjor rbioti rtu6 tL.r.&@lt rlIar qop orodrdivity od qulity. Thn s[ eluibo t6 .e.r4 dd dirc b .gi.t, .!. bld d eii.L @F .&, c eig}t b., glM Alddrgb .n @@r of eL.f&ced Lrd (r!dr 9ooxlt' h.) ii qrdt is s !.iit lo pdc . thFt b .eidle (F&Fd.!d y.o, 1995; Mluq 2002) .in . @t plznb, d.l cd.in!, @t @p pl,!B, will lot gw i! hiSb ibrcikly Lo@n n! @a@etidr or lrlc o6ly h,loplrb6 (by d.foitid) gw in @dds of sdie dlod.L htld tld .bout .()0 brr[ A@ubrion of rlb rr rlc $il &68 n .l-n,#!a ald lil ud 6;;i @ilMr, .+qir[,,n@ iEigdid n pei..d. 1l 6rni.g s h! Lft bchnn slns of rli 6orL in rlc &il pro6L dd in rhc tat c()!m elrc oa etb i! loiL ie .@ibued to 6G Fsot @dn4 idtirid u@, 3l'dlow ub EbL dd of6 i'in;hint od .@irc u. of f.nilirc dd tudM! rptli.d @ th. rpplicd 6 thc &il (R!@d.s ed Lwd.y. 1990). Soil ,lilig it r o*e of tL. bbl rlllld of .oh,blc {t in s.,il ,{s rlidi9 krdr i!@!., pLd tu lG !r. adt Cd dr r€Grntiog qF si6 culi!i@. Hiq! ron @ .Lo eue neidr 6LL.d, BuL io.IE r@ldid of el@b d; !. pt !ts.!d edre sE i.6ldd6 iI t[. Lvd or@ st .Ld.!t - Nr' i. bigb. Th. 'rh. PlobLa of sd siirig is 6!thd ia@ing bde of rL e of p@ qu.lity te for iEigliod dd pd i--.ea Vrc qulit tut h. sp6..d d ocly i! E@ of plFiel 6id.giql ud .!@id tuir6L1 td .lo r@rd[g b qulit .bad.tils rld Ery rccordbg b e. Th.E6otq e..r.lErio. ofEe qualit Bd4 d.6!irg q!,li9 cLss rc.arli!8 qudirt Equis ih. e ofa qa! b rd€el didtr .!d rnbk!. sE dbi6 r hitu of oorly @iog .116 srib iEiq.Ed wit! tbn EE dll @nin . sibilr b; bu usudlt rt . hieha @did tbo i! .!. rppti.d r!6 T!. srd. b vli.h th. sla |euul! i! tL. $n v d.?ad upoo i[. Eigdid qE qu.liry, iEig.tion @!.9@. ud rh. .dcquq of daieg., If !116 b@c s6ir., loss i! yi.!tsil 6Dlr Mdt wd u&d for i&g.ri@ is of g@d to.xcdLnt qu.tiry.ad i. 6lit ly to pE@t .ci,ou siniq @di!d Sdinig dbl lDeq.q b@s tuE dilEorlt a Itrb qulity b@ p<E! Ar uc s.liriq io@6, gdc €E 66 b. Et@ b ld.h sla ou or.!c @t 2@ bcfoE thd. .@uhrio. e!6. @dti4 ebic! bight rtft.t ti.!r ll@ir.ly, rEF dd b. &ld b pLd cnp. btdnt b 6. sP€ad @. z@ &li!i+ The e.qEcy ot Lr.li.g d.?ait6 @ wc q!,liv dd th. @p sdirivi9 b eliniry, PopJ'dm i!l@ in .si{dd rd did egid6 rd -r-ng6 in Egiod cliat' h.v. ofb Ld ro dc8bd.dotr of |h. r'd ed r6.tim ro t!. .o!,!& of cndx in d* rc8i@. T!. pobLb I r old s dnhzmr IEiS.ri@ i@ gFrr! e iacl*iag d@.d! for food ,na 6b€ dd vil @d!B b .Lo rc inb rh. @t @tury. M6t oa r[. inea-d rc€& r in d€y.ropiq @urn , vhd ir b! ben .*ituhd r[it th. @oepd@ of ,opL food ilctse.l abqt 2.5% mrdry thrcuehour 6c qt foq t.s Incr66 j! peddid Lv.l Vodd po?d.doo .ad 7 Equic in@in8 ld€l of NPU rron *iltirg cspl,nd- !@o 197&1991, hovs€! iad.t€d ra o.ty irces.d by 33 biui6 hGEs. (lvodd !dr]t., 194. lil.!d @i-nd -.A"L"r. i! P.rid .!d rig$ of bci.g Gilcd- Tb. tld of d.lgitt'& l,E+,c.i.g .!d o6cring of r[. dnql v.gdbd i3 rsBEEri.S th. dMd@. Th€ .[,rg. jn gdirlg pE ti6 b^ ?itbdlt Edxd m io '!4 r!. CLoli.d .L..n !o eql du!6. A@tdng b tu 6tib1b Il4 dE 6elo of rtE onDt e@iig .l* of tL. .Mq tre pFd@i6 Lr.h ldd th,! tr thitd of rh.i. biol%icd pobti.! Md .6d oGdiDd (45 oiuio. h6b6) of r!. @rr [s b@ &si!.d c edd rLL of .l6di6otid (zir 6d ]|[.4 2006). Th. I! P.lirb4 didab4 is. dd prcbLo d iaig.ld L!d., It is fou.l borfi io li8ht b 6odde &gt6, Edei"g @p yi.ld 6d i! sd@ d€gE. eains obpLtc .b6d@t of a@rt pr.<lEdv€ irig.t d l,!d About 3 oinio! hel'G of idig.t d bd is atu by !di!i.t/ $di.i.t rlsing &06 FtIt sliait b ddc slin sodiceik.It d itloe 13.s % padi of bdl @p G (G@.@t of P.Iib!. 200q, t2' V.Li RdMB.!rt Lioidi@ EqLvrd E r+Ld dline th. ...6d hnf of th. two&tL @ot 6 p€prJ'tid tuE t66 do$led dd a GbnoLsidr {}s'lre Lt 6@ &d od6 mc us6 pEP gl@dqF 6@ gqE d.pdr Dd .e.r ivd uG Ei.[ blE rd Lgq Glo6d 1\. tobl v.td GouE id ibc rodd s dtitut d in &. drLc of 43750ld7ta, dildbu&d lhslghdt thc wodd .c@!di!B b th. p.!.bvork of cliutc! dd phFiogbpbic sllrl.i]G, At tL @dlmbl L*l A@ic. ha th€ l,!g€t *e of tb. mdd's 6nl Acrqcr !E()|le sirL 45 p@q 6oloa.d br ltlirji.! 2, F@l EdoF ri.L 151 p@r dd l&i.r eitl 9 p@t h 6r oa @ F irhrlidt in s.! diMr, ,{'ci: h! 24 000 6'lrat, Eu6F 9 3o0 b'lta! AGi.. 5 000 e'/t* dd .|ir 3 440-l rJtd.! Lr ben 1 eh i.sE on th. ilediod .A.dr. 1972 - 2006r a!o6 Sro.LAold to Mcxico 6oi i!. ]llt 30 vq: !dr,a with UN c@ta!.o@ on th. Hll@ Enyio@t, Statilob\ 1972 (pG.ed6.dd Ft,-rd. orr[. bUfu @itu _.) ud follold br th. (tN l3t t F-..'rr Codfdqr d wG, ttc, d.t ptd 197? (A.F.-tof v& tt@ V&e dd.6.incr), vodd S@ir 68.rff'6 Nd Yo*, 1990 (Itslr\ food $pFt ); Glol,, Coodbdd d S.f. Vrd .!d glibri@ for rh. , NsD.bi1990 (s.ft dli.riag hre, dviolrl@el saed@); uN Coo6dc. d ejrcmr rad Dd.lopMi , [TNCED E nL S@it, Rio d. JdEitot I92 (C.@6rioo qb !$c, @@.4, pdi.p.!o.. dtidbs qE .!d mibloa h* *;" tueinbL d.vcbp@r, food p.od@i4 ctiD:b .!.ns.); hrdd6d,l cdG@ d v& ud rL Ead@q D.bli. ,19t (E@otuic ql,! oa sE, p@.q po,.iry, Got"',S Mnic.4 uer diqeir .s:m), (N r!!.eri@,1 Cool@ PopuLtid 6.1D.r.lopMq @ C.irc .!d Milierdrl Cod.@ o. Wr6 Suppry dd EnvnolllMd Smihrioo" N@ldpijlg 1994! oDddljls qte Npply,!d mi!.rid) . UN Fourdr \qorrd CdtaMe @ V@.q D.iiiog l99s (cod.r , i!€u.1 s6 3Qpl, 6.1 -- FG), , Vodd Su&bn fc Sod,t D.Eloptu! c.p6hA.o, 195 (p@dt , qG nppt ed @n1b!), vodd Food s@4 R@q r ( Foo4 Ldl4 9& d.l sibii@), ttN Conf@ d Hll@ S.rttu! Grrbiu rD,lcb,!ut, 1996 (Ssbio.bh [@ Ft].@6 dry.topnEr io { u6di,i!g vodd tb€ rsr !/odd !/tu Ftu M.rr!*h. 199?. (!(/.tu {d @ibdo., Imrg@t of 3Ldd *r!d,, [1@s @sts6!, g.n Lr .guiq, €tEci@r w ot qd), ri. 2!d Vodd V@ !i)@ id T!. Ddntd,g rl,8ue 20m 0VrE for p.opL, qG fot foo4 lc ea quc hG h !oEd8ot, ie b.'!' tu.d*;{), rn@donr Cdlc@ d F!..[s.E! {Vid It f,@ Bda sEidbL dcy.tophat c@@@, hobilri4 eproty buddi!& .being tro*lfdg.), Wo,ld s!@n on Ssbin btc .lewclopMq Joltuoblts, 20i2(Pov.!q qdi.dio., rdibrid, d.rg,, 6na.i!8, st€bt d qu @(@ F-idg.i6q .A&ia )Jrd Vorld !W.c F6E, Koyo@, .lrF4 2OO3 , 4rL vodd 2m1 to I?e ForDo, Mdno,2006 @d wodd !/& F@ i. t.b,bu! T!!r9 d 16 MrE! 2009, L,uding ofr!. W\PDR ( 3 d rL.5d UN/ V,49 p,2rD9) Th. Urit d N.tioq pldsed ro pFdkc r Paiodic x&$!Er of tL sde or rh. *o.ld's 6Bbv.d E3(,D@ i! th. fo@ of tLe Vodd W.t6 Dwdopl@r R€port vitl vbict F O i;.enEl.lclr.I!risol u. eiti_r rcL orst6 j! 6od Produ@ ."d ot .L iDpi'li:G of .gdd@ i! eb6al '& d.Marrl ,d iD oda b p@id. . b6i! fu tL. dituio. d iodEioe ec s@dt' ud rb. tu@ of iEigrd@ o/WDR), tE ia ud.rcol b (epil. .xi,ti,s Dto@@ d vrE t*Ws in lh. Fllebrl of .h. Aq@Et ptr*:'!e G q 2OO3). wodA FAo vld i!!@ i! p.?!tdi4 of Eood qulig tuios,nd @, odd 6.tur 6. rdhbt, qe !' b@iog l@ r--;g Fc.LEd@uce jdr.di! tuy eloh.t ft*'oG or r!. vodd rh4t trguiE i!,g.tioa ac clop prodEdd, Istdi@ rFt@t pdioldly pen 6 ,rlj!iz(id; .hdr h.tf th. *!dDs iEigrdon ryd@ of rhc vodd uldq tb. innuoe of di"r.i6, dbtiadd & qc to€gile (Salol6 19,4)_ Th. @acer of & c qc bue n 6u|ridi@si@"I Ir n lot liDird olly ro is Pbysd @ Oydblogicd od hydtog6logi€r, 6. .[o* dd .bcL,, 6u e@6p,rs otld nG qu,libdvc, @iomd od djo{@obic dil'rgu6.. 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Ldricute ed @p oltiv.tid Tn. pbddiviq of E!3.l,!d! i6 h.!!p.rcd 6y hqvy livorod pr*@ Ttrc dd .@bl srip, .ad o.ngb. .!s c u.ld inr"i 6yill@d rcs A6 Edue.l &6[ ed oda ee:g. dd ildudn polljrid !d orErT'loib.id ofot[E stuEt c(l{@ DEin3 dE yd 66 .I t!. eN.ir iocludi.g io&,ture m of .h. otd.! of 13.06 Eilid ldG,{bdr ??,4% of tn bbl i;e.r .g of p.E b iLi! PuFb, zti 'g 6ll i! NlsFp od 19.8p/. i, Siodtr/ Brro.lild (C,r,'@6r of 1999-2OOO, th. torl ildgita r@ prihE q!,1l! sc!@, rrll' md !rb. vcu. e.l pul,ti.ly o*!cd llrtijis lo iEis.ild by cd,l, bs i,@r.d .ldtbtd'SEg.boa69.6di6shciniEiglra'Eb,Mlin ddsbddrrol[. qtill)d i@ i! r!. !6hq of bbc,.11,, slicr lw iEjgl!.2el. hc @.!d tO Brs.d or th. of th€ L.t 10 ,gri, lL. lrlitu" .liritud dFut ir dd.ly lalcd vih th. tuprly oa in*-{- eE higrt d rgdoi@ i5 .lE ejor le of 6od,, iut6a ,d BtunderG l@ of P.litd Th. s.rA. @ql ltd di@idr ac iris{id u tn bdE B.,in e of r!. ordd o{ 104-7 MAF, b oE iEigrb 14,6 6ilid ntu. 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L*d 6i6 of @rgd! lEh ! iEigrir psjid Ed livc bsi6 Ad:lirifr pldic @ b. !r.d 6 po6 of6iE 6vit('rrtd dd cologiql !y!l& incl'di4 tL. s@irbd o!6e rnd grudmd tti@. Tt@ s uult & si'3lc s.y 6 rdie rtility cd6.l in g-ri L.dt.od .,ci&d s@ ME difiGdt rtpecl6 .!d padi€ @ h. @!inc.l bb stna.b.t @bl rFe6; ri. +pDFirE @nli..td d.!d& uq@ @iq clidiq sd\ d ven T c&phn ud htdlo3ol%G nMdds. Tlu, & prc..d'e e gi@ 6. ch.til8 "tbc" rppbplir& sa of cddol plctic for difa.Mr liruriols. ft.y G 60 .u@ rdLa, r@ ibplfut go.l4 p&'cipL. md idr8i.! of rdiaiy bri,s@q .t both @-6@ .!d p6td Lvda ihd .!otd bc @itd.l in th. $Lcrin sa iid6€btbo of 6otd prd6 e didd rnd disEs.d T[€ obi@tivr ol srlidig oabl i! @ dinain d rccprblc @p yi.tl Swdrl do,gdfut opti@ N .hilru. fd !.linjrr, @nbl lt na.mr &.d @t .@ny .16p. b @tol dli,it d t!. loEt pqil,L Lvcl, but !th{ b rEp n EiiLio Uoi! cr*@ wilh Ebi.cd pr.ddtiry ep; eil rrd idi8r.iM pndts d h. bodi6.d r.hi* tb6.lini6. To @inbid thc G(6qq of tlc @.dol pndnxs, @ 3166 of o.eg t!. 3btu or @il slidiry is .dvir.blc. Tbc @p g?., r[. gutit dd th. .oil prcpdiB &l.di4 to . l"€e d€gc., th. do,gtut pncriG !quil..l b optiEi,c p&drdiE 1} pobLD o h. tD!.B.d tbble! Engindntg' &.t@rlr rnd S.liE !o h.lp t4 13.t" Mra.g@dt pmdEd Ve -+.8*t 4,. l?.E, Soil .nd C.op r*+ d.?6d6t upd idi8rii'd qu.liy, $diq .rd L..!iag &!di@ IEignid i3 6 .g! - okl d {d j.r h.li.v.d b b. a old s [i.frry of €dan@. lEigdid at 6€ .!6!a a thc rpplic4id of mc b $il for tlc purplE of pLF r vid reL in ;nr;.g @p tupplti.g t!. 6ob@ eddrl for pl'!t Bbwth i9 'nd rdd dbiliring prodEtioG. ln .dd Md enidid Egioos iEg.tion i! e$dti,l 60r ri€lds oddiot rlbL .gidftn, rhn id s@j-huid ud hmid .@; it !' oft.o Estittd d . @.6dd@ .a.l @oporition oa dis.ly€d ddld! i! uu d.i.@i!€ i6 gu,liy for iEg.ri6 u.. Thoush qudiy oa iEg.ti@ v.d hd b..n clr$i6ea id diFedi Th. sF, u.4 th. 6p 3PeiB th,'t i 6 6. i;g-td .nd .h. .@j. b@.6t of Bi"g 6rt Erd olledr, 196). Qdit of idigdid r.t6 t s rlso bcl iudA.d i! r.tada b rhc @judiE e otao.d rd pc qulirJ| uE ve Eia -ri- - rlgiig Gd 500G 6!0089/li@ b! bd ucd @ i! L.. !.tuLL sits rit h.vioa td $I nd (Rhankt d .l 198E, or *h@ p@ipiotion @s id qMdri6 6 lc.c! rlovn tle erts tb1r rcutuLb aftd idiB.ri6 virL sdic qd (Dhi!, 19??). Qutit or wld i! e iDpotur cl$id.Brid i! ut rlFdi3rl of slinity d .tdi Mdnid id d irdisc<l .@ T!. m* iEpdbt cbd.e!d6 of idiqdid rc d. b.E b€ u..d in ,.brrnrng i6 qu.tig G cl6+r @.n*iiviq, $<tir rLotprio. ado, .!d ci.h,t ediu ddosE Uadd irig.t d 4icultlc, cein zlfut of das iaigdid tu L Equi!.d 6 p@tar rheugb 6. @t zdc !o d b l.mc thc !.l!, vhid h.E .c.uuLt <l 6 . eult of @pet@piadoa &d th€ oligiorl idig(ioa Md, T[i pl1l@ of d,pL.ins tL. slt, &lD r[€ @r m. L ol|.l la.Lilg d.t th{ Fod@ of t!. iEigrtio! qes *ni.! tuitliA th. .g oa sl6, i, e||d rl. L..l'i'B e.dioo Sdioity @bl bt .&.rt oc sli@ '--L;g of ih. Mr '@ b..@6 m ibg.tur ! ird6ado! 'chtu6 yd t[G luinbiliit, rLpdd. upon tlc ft. pb6ld lpaiic c@diti@ vh@ th. s6 C b.ids of sil d nt< r.lility ir nor @osnizcd r !ud, til the ft! prodDcd@ ir 6tiEl), .liDidEd d d L.!t druti.ltl, Educd. c.nduy tL. w of p@. ir cmhiedm n dlid.id :t p! vith t!. e".+@t of no@n Iard! cK.Ient qudiry idig.rior. Ilc pcMhse of Lrclins &dion 6 .void sdt 'nd .eElLtioa io rL. $il pFEL volld d.?6d Wd tLc sn 9pa 9"4 -iL hri-C " L..!i.g &.dio! {4elq vli.[ 6 h. pd.ilh r s.lie uc. Thc FC. !!dd arh @oditioa n .recr.d b h. .Cel b EC ie (^ltua rnd I'@4 lgJ), v!@ @ e,L !.y. !qi6u leaching tl$rgh piicf, elinity d be rgdbly @Ed|d. T66vq.g.d bt b& dini9 is riSnrcndt .fft.ed by tL. .l6t thsueL rbid sc i! tL lon n dC.tcd dd dc L.chiog 6did (R.bdL., 193), I'nd or me singly ot V!6 good quditt so!@ c nd fasiblr MiLbL fd rgdolo.l iri8.ri@ s@ .l|oriE ffi! could b. u..d s.lt 4 ud.rcruad r&a dEi.ase E.!.r sd s q& (GLt! d rI, 191; A@ d.j., r98& Cl@ dtd Olat, 1935 O l!ry, 19854 ola.t d rI, 1989. l!&cr, rli rbs slM d.?6d DFd @ 6.6 [r. pLyi:l dd -*drcr d@ of rh. s4 .lide rd .uibbL t?6 of pl,!6 ro gw. Crp rFn i! 8dql E{uiE r .!6.ddt q@dq of tu db!. ei! l*d s& liglt nh 6ld!. @p 3pdi6 !d .d@i@l rild r'b!6 h.lophyB) @ .ei% od Btw oa *u wi.h Eldivdy !js[< st @nb6, Mo&atdy .!d (ndudi.g e ew6 of sd vlic! ould h. 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F riblc qts b jlGe 6lc!|e [{. b..a .xt n.iv lt Ehd3.d (EpsEi! ct .1", 1t80) d..dib.d E !.i..r o<l biologiel '6ie to th. prcbLo of srii.ig, T!. 'bioloei.d 616'w foud.d d se dcEa hdng a gddic bst', for vhic! th. sit .e (EFEin d.l- 1980) v' tL. qis@ of I ulr-roldm doE (blo![rd) dd rli$ @6 in slt bLa* b.ila 8tu9F vi6i! 3Fi.. vri.d de@6 i! st bl@ hav. bd IdM line th. 1930. (EFeia 1977) .!d iad.pei6. eL.tion fe elt toldc. y.!, by rl€ 1930s, liom b b€ p6ihL eir! !i.. (A!br dd Yrbuo, 1974 dd b.dcy G?ci! .t rt, 1980). Ielad oa i!r.i"g thc &tt bLrc of rt - sri.iv. ,Fda, sucb vild 6Pci6 of LiSbd r.lt bLa@ !..d. b b. !@cd 6rt d siE . &.nbL -ddic r.tr I lEs of 604 6Eaq f.d& d 6El ssb .r6p6 Eollil mt b. .@61 6 codq.td b i@ d. lrlr br-.-, bu vould .bo bc .lFpc ln splrc of a4 pmik, rtr. 'biobgiel 6l hs ba! dov in divi.g. 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Io !(fu @ l!. upaL 6d tudddo! of i.di suc[ s I< rnd C.* rc rff*ed by salt !t!4 S.[!ig ds aue r imb.Lna i! @mn nndltion (C.fu sd Ctiq 19t4, f.s epLr ddd slje @rliti@ !!e|. or@ oid6l.l.@b is lnM b inffi, vbic! @ shi! tt. sbprfi ol pl,nb vhm ri$E d.!E6 n Lield, !r. Nitosd (s*by d rl., 1994). lbo3PhoM ( v.d d {, 19m), Pdd6 olslds .!d Ia t4is, CrLiu Ee.s4 1994 .nd Mrag@ (CEe 6d Novnq 1994. Th@ mieLt d.Il 6. sd, vhd rb. t-*L"e oa 6i,.rL 6islt mt b. &GbbL dQ-dioc l.{"o tL. loeliarid or rb. .l@r dld 6e th. bir .is .@d.in (C!b.r, 1997). E:ciE $diu p@t in i|i?-pr,".q .pd &oo ia M 6ri h.lrvir d pL!. o.bbolisa, qug p[ylioLSiol ddrgld B.t's dbsdn* b orhd odtu, sodiu in\[in th.L 6!y j! @r crr@: b6e pl$6 Nfid i*;-.r of orh6 binerl .1tu6, vbnh & edd ad gbptL An i66.&E 6p@ of &lni9 i!du..d wG po6dd ibbdara is cro.G of r'fueq *inh @ @ hr.d .fi.6 on |!. dtbod 6rtj@ i! L.6 rnd d lh. oihd o|E d.6ci*r of Je 6did nFFrr virL EI@c b Moer@. Fdsiu drie 6tui.d for drytu dintid dd E@b'e ".d6. 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