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A second internet search from Colorado State University revealed the conversion between
<br />EC. and EC mmho /cm). The conversion is a 1:1. See below:
<br />(http: / /vvww.ext.colostate.edu /PUBS /crops /00506.html)
<br />„d-lt Tolerance of Plants
<br />Agriculture and Rural Development
<br />Page 1 oft
<br />C _ 6e� l
<br />Tfixrnaaa Agrctltuxe and R 1.1 Development
<br />Salt Tolerance of Plants
<br />' es nw rcr o "r W Peg.mgan eqt_ Zpu
<br />Emma.:
<br />Plantspca,,s vary M Lo wcdlate tolvr w1olt+frcuW s ode. 8.ne,lhoew Mil tolentehi.lak,als fs.linitywhilctin. I,. ..alnEty ''he
<br />xela[iva gmw[a o£ ➢Ian.fnthe fsalinityis termedth,u of tolerance.
<br />Saitto'crnnces :vc usnallyS n Ien", frbcsre € re age sAncins, (1.) levels. YJec cal .,n ed.,IMr,, the ninny Me
<br />"lot., In nascent an eleetnsal m'nsi t To danxtrans sod salinity EC, en sla inee l current is hnposcd in a glass cell using two electrcdes in a soil extant oolutien
<br />.sea free the soil being eerieLred (soil salinity}. The units are usnall, wen in deeiSies. per anetre(dS /m).
<br />Table 1 categorizes salinty into g.I fnge" fionr non- sene. to very "st, e.,Iy sauce. 'Thes, values am. used fur plant se]actiou fir saline soils. si bony levels vary
<br />widel nitro" a saline sea,_ Salinity also varies lion spite, m Intl. Salinity ."tally nw.e x on the soil entften j.at ader spite, draw.
<br />A high sahlevel - utaofio with Inc goer ti of on seeds. Salhoty nets I kv drought on Plauv, e,e nfrng mote Lem citfittidni, fl it o "eoC -Getty where
<br />water and esi n ne, move from an area of tell cmcennstsm into an axe. efhigh coneenm24tn. Therefe e, because cf the salt levels to the Avl, water and natneaG
<br />cannot move, into the plant mots-
<br />As soil salinity love], increase, the stress on germinating seedbngs also "creases. Ferment planes seem ro handle salinity bher than annual ptmiw.l. some czses,
<br />sainnIv also has t. toxic. cifct on plants becansc of the high concenaavi.n ofcartnin salt' in lensed. Salinity prevents the plants from faking np the paper balence of
<br />nunients obey regnlre fm' healthy growth.
<br />ExtansNe tesearch .11 salt toleranoa fcr pairie cnndidnus was done in 1983 (fable 2). It should be noted that Drop mterances developed torehhnidedommated
<br />soils, such as those in Latifntnia, may not be applicable to crops grown on the siophnte- domirtated soils typrcatly tound in western Canada
<br />-
<br />de/m =deois,eeens per metre.
<br />Tlei sb.to au Batts in prairie saline seeps arc caleint,(Cs), magnesium MIg),sodium(Na)cadom and sulfate(SO4} anions- ilNaleveYS are high errmC balnwatl
<br />with the Ce and Mg, soil tiBh Can also be efi bete 1. Sae pent,sly clurged Na oasons attach a the negatively charged clay particles in the soil, causing the soil to be
<br />sticky when -act, and hand an i xope —caln. when dry.
<br />Table e n gives salinity'Terence ratings Yor n range ofplant ill L.I and s range o£eahnity !cycle. New research vnderaay may modify the rating c£some plan types.
<br />As s,ceml rule, plena Own." low dmuoht toleranue will have low aalinity tole7ance.
<br />T able 2. Salt ink .wan e a of ... bens types of plants
<br />Weakly
<br />Moderately
<br />Srungly
<br />Very Strongly
<br />Sail Depdn floe- .Saline
<br />L_
<br />9atine
<br />6allne
<br />6aline
<br />5a1[ne
<br />0.60 cm (0-2 fit) ) dsm'
<br />_
<br />2-a dsim
<br />4-A ds /m
<br />8 -16 ds/m
<br />%16 cs/m_
<br />60 -120 cte(2 4 12) 41 ds{m
<br />4-8 dshe
<br />8 -16 ds %m
<br />16-2 dae,
<br />124 ds/m
<br />de/m =deois,eeens per metre.
<br />Tlei sb.to au Batts in prairie saline seeps arc caleint,(Cs), magnesium MIg),sodium(Na)cadom and sulfate(SO4} anions- ilNaleveYS are high errmC balnwatl
<br />with the Ce and Mg, soil tiBh Can also be efi bete 1. Sae pent,sly clurged Na oasons attach a the negatively charged clay particles in the soil, causing the soil to be
<br />sticky when -act, and hand an i xope —caln. when dry.
<br />Table e n gives salinity'Terence ratings Yor n range ofplant ill L.I and s range o£eahnity !cycle. New research vnderaay may modify the rating c£some plan types.
<br />As s,ceml rule, plena Own." low dmuoht toleranue will have low aalinity tole7ance.
<br />T able 2. Salt ink .wan e a of ... bens types of plants
<br />Sal[1der.nae
<br />Field Crops
<br />Farago,
<br />vcgcahbo
<br />'frees, Shrubs
<br />c(d m)
<br />earmesa wndr
<br />Very Aigh
<br />Calks at. ,ass
<br />n
<br />, ndtalt,rasa
<br />alkali s.camo
<br />sigh
<br />k.,hia
<br />'Ifni WlArya
<br />3ibnrien salt Crew
<br />16
<br />ugarlraetz
<br />bill whcobn.ss
<br />ckthom
<br />Silver
<br />Russian wildrye
<br />bsffalobeny
<br />"leader wheat a ,
<br />8
<br />d:ow bar eY
<br />stint mtelml
<br />arueo been
<br />hawthorn
<br />safflower
<br />w alfin er
<br />'spnragus
<br />a noh
<br />n
<br />IfI.
<br />Spinach
<br />At�leanlm
<br />'I.1
<br />- ,..In
<br />2 -mw Harley
<br />iberiun ebn
<br />fall rye
<br />ill... lone.
<br />winlerwbeat
<br />Ileafwolcw
<br />pang wheat
<br />odeczte
<br />In,,
<br />"rstul whwt","
<br />tcmmmes
<br />Fspaadi.gjuniner
<br />low mu
<br />odleenthsol wheatgress
<br />tncrgli
<br />,"pint
<br />--
<br />teebw fescaa
<br />d —_
<br />ary %ass
<br />—_
<br />abhaye
<br />4 d rasa Pine --
<br />Rex
<br />pple
<br />hitp: / /wwwr I .agric.gov.ab.caj$ department /deptdocs.n6f /all,fagdox3303
<br />10/23/2008
<br />Revised September 2010 (PR 06) Attachment 2.05.4(2)(d) -2 -3
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