8/18/2019 Coarse Organic Fractions in Compost Plants
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Mrs Almitra H Patel MS MIT, USA, 50 Kothnur, Bagalur Rd,
Bangalore 560077Tel 00!"#6 5$65, %&'!&##$ 0"&'#(
almitra)atel*redi++mail(om, ---(almitra)atel(om
Mem.er, Su)reme /ourt /ommittee +or Solid aste Mgt +or /lass '
/ities Ad1isor, Solid aste Mgt, /lean 2har3hand Pro4et, anga
I/P Kan)ur,
Mem.er, Solid aste Managemt 8)ert /ommittee, Bruhat Bengaluru
Mahanagar Pali3e
&($("0'6
/9ARS 9RA:I/ ;RA/TI9: ;R9M /9MP9ST P -aste ?either mi8ed or
segregated -et -aste@ and
sta.ilie it in -indro-s ?long hea)s, turned -ee3l> +or
aeration@, a.out #0 .> -eight is
lost as moisture redution ?+rom sa> 60 to "0 .> -eight@(
A+ter sreening, the >ield o+
salea.le om)ost is at .est '5 -hih meets ;/9 )artile sie
standards o+ #mm and
+iner( That lea1es #5 as a oarse organi +ration, -hih is
urrentl> onsidered as
Cre4etsD(
Bangalore is no- su))l>ing almost!)ure -et -aste to its si8
ne- om)ost )lants and
there.> reating a .rand ne- asset +or the nation, )erha)s the
+irst in the ountr> on this
sale(
Suh )lastis!+ree oarse organis are no longer re4ets .ut a
)reious soure o+ soil
ar.on, use+ul +or reduing -ater needs o+ ro)s, drought!)roo+ing
them to )re1ent
re)eat so-ing, and +or restoring salt!a++eted lands to
+ertilit>( Karnata3a alone in "0'0
had #" la3h hetares o+ degraded soils, "" o+ its ara.le land,
-hih an .e healed .>
adding organi matter(
9ther ities and States an similarl> hel) .oth their om)ost
)lants and their degraded+armlands .> su))l>ing segregated
-et -aste +or om)osting(
So it is time to onsider -a>s to use oarse organi
+rations(Three o)tions are suggested here +or disussion and
+eed.a3=/hanging ;/9 standards +or it> om)ost +rom #mm to
6mm,Reogniing a '5mm grade as in US, UK et, and also
A Soil Amendment grade u)to "5mm )artile sie +or reasons
e8)lained .elo-(
T>)ial om)ost >ields +rom ra- -aste ?data +rom Ahmeda.ad@
are =
'5 +or #mm +ine om)ost as )er ;/9 standards'6 o+ #mm to '# mm
+ration0& o+ '# to 50 mm +ration'& o1er 50mm )artile
sie(The remaining is moisture loss +rom +resh -aste due to heat o+
deom)osition(
mailto:[email protected]:[email protected]://www.almitrapatel.com/http://www.almitrapatel.com/mailto:[email protected]
8/18/2019 Coarse Organic Fractions in Compost Plants
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', In order to immediatel> im)ro1e the a1aila.ilit> o+
it> om)ost +or +ertilier
om)anies and +armers, -hih is no- .eing ati1el> )romoted,
-hile im)ro1ing the
>ields and 1ia.ilit> o+ Indias om)ost )lants, -e should
onsider rela8ing onl> the FCO
particle size standards for city compost from 4mm to 6mm. I+
neessar>, there an
.e a limit on the )erentage ontent o+ manmade inerts li3e glass
or )lasti )iees(
", e also need additional new FCO or BIS Standards for Garden
Grade Compost
of allowable particle size upto 1mm! -ith the hea1>
metal ontents and other
)arameters unhanged( This larger sie +ration is as rih in humus
and miro.ial ount
and nutrients as the )resent ;/9 grade and is 1er> suita.le
+or use in hortiulture tree
)its +or slo- release o+ nutrients, as +ineness +or .roadasting
on +ields is not neessar>
here( This -ill dou.le the a1aila.ilit> o+ it> om)ost(
Additional s)ei+iations needed
-ill .e a ' limit on ontaminants ?man!made inerts@, +reedom +rom
-eed germination
and om)ost maturit> measured also .> seedling germination
and 1igour ?.ioassa>@(
$, e also need to legitimie the use o+ coarse or"anics as a Soil
#mendment +or restoration o+ salt!a++eted soils and +or
drought!)roo+ing, -ater onser1ation, erosion
ontrol and /ar.on enhanement in soils( This material is
alread> .eing in+ormall>
sreened and su))lied to +armers lose to se1eral o)en dum)s
ountr>-ide, to
su))lement and .e a re)laement +or the urrent short su))l> o+
+arm>ard manure(
Internationall>, there are se1eral )ermissi.le )artile sies
+or di++erent grades o+ om)ost reognied +or di++erent uses and
1alued +or their humus and miro.ial ontent(;or e8am)le, see the US
High-a> rade
htt)=EEom)ostingounil(orgE-)E-)!ontentEu)loadsE"0'5E06ES)ei+iation!+or!using!
/om)ost!+or!High-a>()d+ +or erosionontrol -hih
allo-s ma8 75mm -ith &0 )assing through "5mm and ma8imum
'manmade inerts .ut em)hasies om)ost maturit>, +reedom +rom -eed
seeds andseedling germination test(
UK standards similarl> allo- ma8 75mm +or landsa)e mulhing,
#0mm +or soilim)ro1ement, "5mm +or root ro)s, 1egeta.les, )it
)lanting and to) dressing grassland,and '5mm ma8 +or +iner
seed.eds(
;ormal use o+ this Soil Amendment grade -ill also 3ee) it out o+
airless land+ills, -here it
-ill +urther degrade o1er months and release .oth leahate and
methane( This -ill also
ena.le om)ost )lants to om)l> -ith the norm o+ allo-ing
onl> "0 o+ in)ut into
land+ills to sa1e sare land area and land+illing ost(
/omments are -elome and ma> .e sent to
almitra)atel*redi++mail(om +or
om)ilation(
http://compostingcouncil.org/wp/wp-content/uploads/2015/06/Specification-for-using-%20Compost-for-Highway.pdfhttp://compostingcouncil.org/wp/wp-content/uploads/2015/06/Specification-for-using-%20Compost-for-Highway.pdfhttp://compostingcouncil.org/wp/wp-content/uploads/2015/06/Specification-for-using-%20Compost-for-Highway.pdfmailto:[email protected]://compostingcouncil.org/wp/wp-content/uploads/2015/06/Specification-for-using-%20Compost-for-Highway.pdfhttp://compostingcouncil.org/wp/wp-content/uploads/2015/06/Specification-for-using-%20Compost-for-Highway.pdfmailto:[email protected]
