dtyland etap. rath new notes that deep dtatnage plus gypsutn at ttntate slowlyl sulphut wt“ testete aetdte soils, taut that the leaehtng attt at salts that tallows may etteet sttsatn health tntereeptor banks leadtng to “ER at nvet lseds etteettvelv dean and pettntt teaching at the salted satls, Where the pt-t ts more than ttst gypsutn tt alsa tndieated ttt asststsodnttn tetnmal. Whetever we tmgate wtth saline waters, we tnttst tlush salt out at dratn the soils thatattghly, hut tn the end she wanders tt etapptng an sueh settls ts tnevttahly risky, and il dtverstpn lo enetgy ptaduettan vta nee etaps, at the [mp and nyadeat antntal grazing ts not a taettet use 0! dt-ylands tn pantculat, flood tmgatutn at htrntwed nelds tan result tn a ma evipomflt'e watee less, and a lwa» l0 seven-[um tnetease in salt mmznr Iriholh Salt tn ttdge and tutraw systems of need ttanawt ttrtgattan wtlt tnerease an the rtdges whete less tlttshtng aeettts, Thus, tdeatty we should need the ndges by cteattng heds wllh raised edges, and flush the salt data to the tuttaws. teeper tlmt nates the redueed ability 0! erapped satls m tnitltt—tte tatnwatet, tn adtatntng ttelds. up ta 30 etn can he ahsettped by unenapped sells uvet a penad of 5 hours, while tn tdentteal empped Sell, only me an ate ataserhed He notes that thesedtttetenets ate gteater than these taetween dtttetent salt types wheatctapptng ts thetetate at ttselt a tause ttt tneteased overland flows and the subsequent neadtttg 0! lower so)! ptatttes, as ts satl eatnpaet-ten by ovemrannx, and the use 0! hnvy or last taran tnaehtnery As [or pate spate, the speetltt gtavtty tsc.t at an apen sott tt (mm ”He (equal to or gteatet than an equal volume nt water) the s.c. ttt sull nttnetal CmnpflnL-ms is 1 (r3 2 thus, the avetage atr pate spaee tn the total valunta ts 50"» at ntnte (genuallv Matt, tn a "dotted statl, all ttttt a tew at these pptes ate walerrmledt lt that watet atsa eantatns salts, and de flmuhliun aeeuts, the sntl enttntt sttueture qeteltly ttteata dawn, and pates ate dogged wtth dtspetsed stlty partteles, ln wheat lands, etttly me at the salt tnav tse well—sttnetnted tttttnths at 0.75 ta 2 mm), whtle tn treedratntng ttneleated stttls, me 0! the salt ls tatn- pased at stteh parlichs Thus. tt ts elear that the sttuttttte nt satlt under dryland ettlttvattnn can in ttuth tateat down, and that almost all the Soil pate spaee dtsappeats teven thaugh enapptng tssttll passtttle at I2’7e entrnhstntehttel A may)! taetar tn satl (mmb tannattan ts the ptesente ol pnlysatehattdes Hottgrrham sugatst and gels ptadueed by lttttnus, thts hutnte tnatenal ts etttteat |n gaad wt] snuetute The wtdesptead ptaettee nthuttung dtyland gtastes and wheat stuhtate tutther teduees the stat htnntts Ftte ean aetttallv latte sttttaee salts sn that they tattn tine dusts whteh blow at wash away. tttttnus as green etap added ta neutral or alttaltne soils willt huweter, testote ettttnb snuentre it salt watet defltknh lattttn ean be stopped, tn eattapsed sells, ttw and plant rnuts tape lwu tne sepatattle ptatalents, even .t nat tlaaded. the reduced pate spaees mnlain ltttle atr, tattt tn tatns, satl tarlxtn dtaatde levels twaste gases hom mat respirattanl tnay reaeh the level at 5% ttt is lvt tn tealthy satts. and-1. tn air). This ts a lethal level tor plant mot growth As w¢|lt Eu‘phur—mncemmlmg (annembm hatterta ptetdttee methane and sulphur dlnxlde ttnatsh gtasat as a ttsult at tltedeeay ethntuus tn these anaentltte tdndtttats Flnilly, the weakened plant tstdts are stttnett ta taptd dtdttght film! by sttttate evapatattan, and taee estatmte sness ttptn the salt water in the soil A patnt tarnea where satl salts prevent water uptake by teats No wander we ate tttttng nees and etaps thruttghmtt the dwlands‘ lt ts MW atavtaus that to plant tnes m setts alteady tn prtxess at eallapse ts hutle We need to stop the pm> eess ttt soti enllapst tttelt, and H ts here that the wash.” gmup have evolved what I helteve Io he a ttntque and stteeesstttl West Auslnhan htll tattn saltthan lo satl cellapse and desentneattan Inmmr stats tn earl r tnes. shallaw (0.5 tn deept comm»: BANKS wete tnntt la stap salt tastes an stapes, Even gentle slopes 0- at test lose soil tn tatn as tatntets n~ tnttve tree COVE! Beanie lower stapes get there water, at flnwdown, satl etpstan ts nat ntueh less ml platns than it ta on htll slopes at ltr or so Content hanks dtd nut, hawetet. have a prntonttd etteet on WIN! etustun, gully tannattan. ttee death. at sotl eallapse by tlapdrng tndeed, salt L-vrnlually eauses eantaut bank: ta eollapse, and nth-dtttlpadstwer thetn tn hzavy tatns Although our salt pntttlents tnst appear in low (lat ateas and valleys. the watet that eauses the ptnlsletn easeades downslape The wt 5A LT appnaath is to tttst taettle the ptalaletn at tts sonrce~|he htll tops starting attaut tea tn helaw the ttdgeltnes and plateaus, a deep t2 rat and wdde the; tnt dtteh ts lattlldoaed up an eontottr Cate. tatten to that push all any tepsatl, ta dtg tez tn down th s ttulldaaer lalade ta break up the tansteted sttttsmt ttt ts otten neeedary to also rip), and then m eetnpaet thls elayey and stany layer by ramming it tirtnly against the dorm.“ taantt at the dtteh, utteh and pant together are called an INTERCEPIUR BANK trtgttte met. It the dawnslape bank ts :Kedivdy sealed, all htgh tuna" ox ttvetland flow stops at the dtteh. as does the slnwer seepage at thraughttaw at the tepsatl, whteh petehes on tap at the eantpaeted r horxznn as a general seepage ltne. Na floodlllg at duwnslape sotl results, and tutther satl eallapse eeases White the htghet hank; ate tnade on the level as swales, dawn. slape leanle slwpe at grades at 1-3000 ta natutal sheath tteds, and thus bath salted and Itesh water are eats-ted in sea tn sheaths withtn 24 veats, the stttps between the hunts eatnntenee to regenerate grasses, and dytng ttees tegatn health. Ma ' etseptorttanlts, stttl an mmlmlrt ate “w bulll every 3 at (vlflkll hetghtt downhlll ott stapes at “345’ at tnate, these term a eanttnuptts series at ditches tptped at stdnettlled mt tnaehtnet-y (Whig 405