123 lines
3.8 KiB
Plaintext
123 lines
3.8 KiB
Plaintext
l7 Pummhlr low hedgemw ol Awm or legumes
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gm Good elleeis un grass and emp gmwrn, allows
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aii muvemem m reduee linsls. 2mm. Aeneia,
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leneaenn. Pmsapli, All-ma, clyneidia, (agasasie and like
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me legumes
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E "Illemy‘wlmfbrmk
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l savannaheslyle (onllgunkinn nl open—spared
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lignleerdwned lrees in erop a! paainre gums.
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Exeelleni Image snuanan in and areas, especially ii
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lrees pvovldr ladder erop, pasiure pmleered lmm
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drying winds, Speeies Several rudder palini, Ingni
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Adina, lagasasle, baabab, P7050715
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2i Camplere ix almusl-edmplsle eiuwn newer in kl!
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emp. Elleds Excellent [Ml-11¢: sul>riupie and impie
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lowland ennliguranen where Inuit lrees (F7 are
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mlerplanied wdn Icgu ' dus iiees m as shelled and
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mulen, will. casiinnnas lcl as buiders Suiled in humld
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eliinales, or lrngfled areas. Speeiea ans m lrom
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palms, avoada. Inga, banana, cums Legumes (L) 0!
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ligansle, Amtlfl, Album, Inga, clyvieidia, Leueaena
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Borders is) nl Cnsnnrina, lnw palms widen”
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rammensisl, lenniena, pnasnpu, and omerwlwd4asr reeds
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and iallsnmbs
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The paenal lisl of wmdbuak (n gm'ahun! glven
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abbye mvzrs only some cases, and in every ease a de
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signer musl seleel speues, sludy suluble (0|al
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eonlurmalidn, and alluw lovevnlulion orsutmsmn As
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win. all perenarullure deslgns, general lrnnwn
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prlmlplesam lollowed bul every aeiual site will mndxiy
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me deslgn, as will lne purpuses ldr wnieh shelter is
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mended,
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Windbrealr is essenrial loi many erdp yields,
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parlieulaely in diehaids As discussed, wind causes
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meehanieal dunige, salt-burn, and may lranslex
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ladyeer) heal and euld inm llie eiup Unless edndilidns
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are very severe. singleeline wmdbxuk spaeed it is
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limes hnghl may have a sanslaerdey mm on ground
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(undflmns, dnd this is recommended (or emps and
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grasslands However. severe mnnlane and euasial
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winds need inure earelul deixgn, and a (omplu
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windbrenk 0' lmnlline spesies able lo buller lhe liisl
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onslangln (:{damagmg wmds is needed (Figure my.
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For born liee trap: and biehards, we have a very
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dillerznl pdleniial slmugy in mm lhe windbreak may
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be composed or wees eunipalible wilh the proleeled
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[meal or ureliaid sysleni we wish in shelter, and ean
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lhen be Imegnl with lhe amp iriguie 5.“ £1 nnd m
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Greal succtss wrln suen slralegles has been
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demunslealed bolli lor wind and lmsf moderalidn in
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suseepnble erop sueli as cirrus, aybeadb and mass.
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damia nu|§ bi ehesmuls, using a pmlecnye inlerplani 01
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hardy Alarm, Casnamia, Glyncmln, lugasasle, or
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Pmsayls spaeed lullhm lhe mp As all 0) me Windbmak
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speeies inennuned fix Nrmgen or plidsphales. pniyide
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niewbud, radinle heal, and sheller crop ' sensible
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and benelieial lu lully mierplanr any suseeplible lree
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emps hehind barriers iii Irnnieline windbrealr
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Wlndbmak in ms insianse is inunaial wnh Ill: (mp las
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128
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II is in namral meals)
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The imporranee ol windbreak exlrnds |o soil.
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CONSERVATION in dry llghl sells, wmdbmks ean
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ieduee dusi and blnwn sand |o l/loolilli a unshelleied
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snualidns (Chm; weal wiihin m nines “w hnght D'
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windbreaks Thus, in enyps in and in windy areas, It is
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nesessary rd plan! windbreaks eldser mgdhevr ldr the
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sake nl 5m] ebnsesyniinn me loss dl sail an m nines
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windbienle heigh- is mi 0! open siniaiums, whlch is
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srill ruu mueh when we ean lnse 540 um in
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wmdsinrmsl
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similarly, WATER EVAPORA’HON can be halved in
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strong winds in lam/n or more: [0! dlslames up to ID
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limes heigm, ever u mm, m, giln in soil water
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mnsennnbai is aehueyed, Only in slil|<air «and ns is
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evaporanun 1M abuul rhe same lur shelreied and open
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lield eondmmis.
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SNOW MOISTURE is meieased by a windbiealr bl
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rype A in s in...“ nu) when lhe snow is irapped on
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lields The snow deprh in winrer bears a rluse
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mirelaliun is dry mauei yields in ipnng and summer,
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45-
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immnn
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FIGHIE 5.“
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COMPLEX NETS ma VANAELE wmus
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m "ample; Ire dwen In SIN SllaluN—Ilm lulclllu cimnls au
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unwed luwaids me man canuuinil winds
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