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memex/0_inbox/in/books/PDM/Bill Mollison - Permaculture A Designer's Manual text/168.txt
2026-03-15 14:37:05 -04:00

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supporl hundreds ol pmducllve lrees ln selllemenl,
Warer penelraled sells m e m \19 leell deep aller a lew
years ol operanorr and swales were sellshaded aller
3—4 years ol lree pawn! In l-lrwall and in eenlral
Aus|nl' swales l have designed produred lasr gmwlh
m lreesm voleanle underarm! sandy sods
Swales .n Ausrnliin dryhndi have consislenlly
yawn Inger and heallhler warer mussel led rrees lhan
have open plammgs ln and :ms, ll rs lmperalwe la
planl uses on swales, or we nsk sall eanlenlrallon rml
soll collapse downhill All swales are lherelore
lemporary erenls, u hees supplanl lhelr hrneluuu lhey
are precursors to rehalallllallon 0! normal loresls ln lhelr
regon. Nalural swalfi ln humid '0in (rasrauulal not
only genenlz much larger llees and ployrole leyel
am ways, our supporr a lhxrk humus arm specrallsed
planls on «he swale finals. Orehlas, fungi, arnl prmeng
do hem m swaks.
Musl swales shuuld b: adjusled lhy wlelemng,
gullelling, or rrpprnel m absorb or mlllrrale all waler
caurhl ln ham 3 hours RI 3 dayi. Furl absorplion wrll
nor harm mun lree sperles, allhrrugh rrees such as
chasmue nnd (ilms may need lo be plarued an nearlry
spell banks ler adequale ml dramage l bellgv: swales
lo be a valuable and smelly under—used unh lprm m
musl ellmales, Intludmg uplaml and plams areas ol
snawelrlll m wmler
In summary, a swale rs a large hollaw or hand elram
lnlemaed lo lrrsl pml, lherr absorb all surplus warer
llow Thus, lhe base ls upped, grayelled. sanded,
loosened, or dressed wllh gypsum lo allow waler
INHLTRATION treesroleally uvelshidz lhrswale The
base ears he unererr. vary m wnlrh, and lreared
ulllerenlly dependrng on lhe soll lype. The spoll ls
normally mmmded downhlll 010" {hr areas) sprnd
Waler enlers [mm wads, rool areas, rank overflowsr
greywaler syslems, or divelslan «rams,
The dlslanee belwem swales «he run—off err mukhv
plamed surlaeel (all be horn llrree lo lwerrly llmes llre
average swale wnflh (dtptndmg rrn rarrllalll qul a
userul swale base or l-z m 1H leell, lhe mlerswale
mum.
vamp
mull! 1.2A
CHICKEN HOUSE OVER swam
Manure; lmm ammals plarea u. 5min u! ranals mm m
lame-x, mum: hulnenlr na wally mnspml «or seals ”EDI. and
asrunalellmu
spare shnuld lae 3-le m “2-60 ken. ln lhe lommr ease,
ramlall wuuld exceed l27 em (50 melresl, and lrr lhe
laller il would he 25 em llll .rrelresl m less. ln hunud
areas, lhe lnlerswale ls lully planled wilh hardy or
mulrhepmouelng speeles In very dry areas, ll my be
lalrly pale and erlsl malnly lo rlrn waler inlo swales.
Muleh lllows mro, earl lae earned la, or ls gmwn and
mu m swales. rme dusk and sills bulld up m swale
bases, and domeslrc wasres an be bunzd here as a
mulch-pll lor hungry planls The swale and ils
spell-bank make a very shellerell slarlm; place lor
planls an wlmly sit-5r and lhe lower slope swales can
be planled lrlamly lo clasmna or lesumlllous nus lo
preyenl upslope wlnas Ridge; should always have
wmdhruk and condensl llm planls ol hardy and
usehrl species (Casuan'm, Arman, ltumoll, inky unkr
pine, (”null Wrnabreals earl mpy every slxlh lo
lenlh swale on sues where wlnd ls a liminng lasrpr h ls
beller |n plarrl on lhe downshape sldl lo allow muleh
colleslion ln lhe swale base loruse elsewhere
Swale seelrons can be over—deepened, so lhal
althmxsh lhe swale hp ls surveyed level, .ls flmr may
rise and (all Deepemns ls mosl clledlve m day»
lraellon smls, and may resull lrl shallow ponds lor
walereneeely ererp. Widemng ls mosr elleelrve m sand
11! yalram rrarlion solls, and ruddy aomlls waler lo
lhe gmund lable
on olherprl syslernsareusehll in swales» nne muldl
and manureri cd lor heavy null-rem leealers lyarns,
bananas. or: l and lhe olher |o bald orl .lnrms, plaslu
lmels. or lyre ponds as a sealed waler reserve lur
walerurg young planls These-can he planleo wllh lolus,
kangkong, walereress, clurwse waler rheslmrl, or lrlre
any
Keeplng lhe swale wrdlla lo lhe lraeler. donkey earl,
[om lraek or whedbirww access wrolh lhal one has
plannrd, seellens ran lae widened al regular .meryals la
lake assembhas ul planls, la dlg ponds m mulrh pils,
and lo plam rrees ol hrgrrer waler need ms leaves
assess open and enables many assemlahes, species, and
eonslnras |n lle builtalong lhe swale as need alelales.
fwzsfllc manuals
new name mar; 'r
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Mmmm»nn~a
clasp
firtmv:
new 1.2:
REGRADIMB swms '0 mauve SIL'
Sll| Wm wales rs more our ul shovellea Mn (0 lm um on
«mllplwr Swflnun ls mneneo merlrmelo “salsa lelrare
168