mikrobiologi tanah
DESCRIPTION
fiksasi nitrogen bebas dari udara dilakukan oleh mikrobia baik yang bersifat free-living maupun yang hidup secara asosiasi.mikrobia tanah dapat diidentifikasi dengan menggunakan kolom winogradsky. kolom winogradsky memiliki banyak keuntungan diantaranya menrupakan media diperkaya dan dari kolom tersebut akan didapatkan isolat murnimikrobia rumen yang hidup pada hewan ruminantia adalah mikrobia tanah yang berasosiasi dalam lambung hewan tersebut. mikrobia yang ada termasuk bakteri proteolitik dan fungiTRANSCRIPT
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QVLBY N@M_HO@HJHL@ QBEBC
EBNB; YHD@BE@ELQ@BY DC
E@N ;70(?31101(O@%3?60
W_FYFEQBY@ @
Qbebc abjbn mfbabbe ehrnbj qfra`r` abr` obcbe hrlbe`m yfobepbm 6&* obcbe
behrlbe`m yfofybr 16& * ?6& dbyf b`r abe ?6& dbyf vabrb% A` abjbn qbebc kvlb qfrabwbq
n`mrho`b qbebc pbel nfn`j`m` ofroblb` nbibn wfrbe a`beqbrbepb babjbc; #`) afmhnwhy`y`
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Qbebc yfcbq abe yvovr nfrvwbmbe y`yqfn c`avw a`ebn`y pbel a`cve` hjfc ofroblb`
hrlbe`ynf #n`mrh djhrb* n`mrh dbveb* yfrqb nfyh abe nbmrh dbveb)% Hrlbe`ynf qfryfovq
ybj`el ofr`eqfrbmy` nfnofeqvm yvbqv rbeqb` nbmbebe yfoblb` bj`rbe fefrl` abjbn yvbqv
fmhy`yqfn veqvm nfnofeqvm qrhw`m rbeqb` nbmbebe% Yfjb`e `qv qbebc nfrvwbmbe n`mrhcbo`qbq
obl` n`mrho`b qbebc%
Kvnjbc n`mrhob abjbn qbebc jfo`c obepbm abr`wbab abjbn b`r bqbvwve vabrb mbrfeb
yfepb|b hrlbe`m abe behrlbe`mepb jfo`c q`ell` yfc`ellb ihihm veqvm wfrqvnovcbe n`mrhob
bfrho`m* bebfrho`m* cfqfrhqrhd* nbvwve bvqhqrhd%
b) Bqnhydfr qbebc qfryvyve hjfc ofrnbibn lby yfwfrq` E?* H? abe IH?
H? abjbn qbebc yfobepbm 23 . ?7&
IH? abjbn qbebc yfofybr 2 ’ ?&
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E? pbel nfrvwbmbe cby`j d`myby` E hjfc n`mrhob wbab wrhyfy y`mjvy E
qbebc
IH? pbel nfrvwbmbe cby`j rfyw`rby` n`mrhob
H? pbel nfrvwbmbe cby`j dhqhy`eqfy`y qvnovcbe q`elmbq q`ell` bqbv
n`mrho`b pbel ofry`dbq bvqhqrhd abe bfrho
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W_FYFEQBY@ @@
Ofrabybrmbe bybjepb* n`mrho`b qfrobl` nfekba` ? nbibn*
b) n`mrho`b bvqhmqhe* pb`qv n`mrho`b pbel nfrvwbmbe n`mrho`b byj` pbel c`avw wbab
brfb qbebc qfryfovq #ebq`tf)% Iheqhc; Ijhyqr`a`vn yw%o) n`mrho`b {`nhlfe* pb`qv n`mrho`b pbel bab wbab yvbqv brfb qbebc mbrfeb babepb {bq
qbnobcbe pbel nfekba` yvnofr mfc`avwbe bqbv abwbq kvlb nfrvwbmbe yvbqv
`ea`mbqhr babepb wfeifnbrbe wbab brfb qfryfovq% Iheqhc; Fyicfr`ic`b ihj`%Z
ofrabybrmbe yvnofr mfc`avwbe veqvm n`mrho`b* qfrabwbq q`lb nbibn yvnofr pb`qv yvnofr
mbrohe* yvnofr fefrl`* abe yvnofr fjfmqrhe% Yvnofr qfryfovq ofry`dbq hrlbe`m abe behrlbe`m%
Nfqbohj`ynf n`mrho`b qbebc abjbn mb`qbeepb nfellvebmbe yvnofr fefrl`* fjfmqrhe*
nbvwve yvnofr mbroheepb abwbq a`bnbq` abjbn mhjhn |`ehlrbaymp%
Mhjhn |`ehlrbaymp babjbc qfnwbq pbel a`lvebmbe veqvm wfrqvnovcbe n`mrho`b
qbebc* nfrfwrfyfeqby`mbe mhnve`qby n`mrho`b qbebc pbel ybj`el ofr`eqfrbmy` ebnve ovmbe
`eqfrbmy` pbel ofry`dbq mheqbn`eby`% Mhjhn |`ehlrbaymp nfrvwbmbe mvjqvr a`wfrmbpb pbel
a`abjbnepb qfrkba` yfjfmy` bjbn abe wfn`ybcbe e`icf beqbr n`mrho`b abe k`mb a`jbmvmbe
wfn`eabcbe ofrvjbel bmbe a`abwbqmbe mvjqvr nvre`% Wbab mhjhn `e` abwbq a`qfnvmbe
n`e`nbj 4 q`wf n`mrho`b qbebc pb`qv bebfrho`i obiqfr`b* lrffe.yvjwcvr obiqfr`b* wvrwjf.
yvjwcvr obiqfr`b* wvrwjf ehe.yvjwcvr obiqfr`b* bfrho`i obiqfr`b* abe wchqhypeqcfq`i
n`mrhofy%
Wfr`yq`|b pbel qfrkba` abjbn mhjhn |`ehlrbaymp a`nvjb` wbab obl`be abybr pbel
nfrvwbmbe brfb bebfrho`m% Wbab brfb `e` Ijhyqr`a`vn yw% pbel ofry`dbq bebfrho`m
nfeaflrbaby` yfjvjhyb afelbe nfellvebmbe fe{`n yfjvjbyf abe a`abwbqmbe bybn hrlbe`m*
fqbehj* abe ljvmhyb% Fqbehj abe bybn hrlbe`m a`lvebmbe Afyvjdht`or`h yw% #bebfrho) pbel
nfellvebmbe YH1
?.
abe nfelcby`jmbe C?Y pbel a`lvebmbe hjfc Icjhrho`vn#lrffe.yvjwcvr obiqfr`b) abe Icrhnbq`vn # wvrwjf.yvjwcvr obiqfr`b) yfoblb` ahehr fjfmqrhe% Yfabelmbe
yvnofr mbrohe mfavb kfe`y obmqfr` `e` babjbc IH?% Mbrfeb yvjdbq a`lvebmbe qfrvy.nfefrvy*
nbmb mbabrepb bmbe nfevrve abe wfevrvebe mbabr `e` nfepfobombe _chahn`irho`vn
qvnovc abe nfellvebmbe fqbehj bqbv bybn hrlbe`m yfoblb` ahehr fjfmqrhe abe IH? veqvm
nfnwrhavmy` nhjfmvj hrlbe`m%
Wbab obl`be wfrnvmbbe qbebc a` mhjhn |`ehlrbaymp qfrabwbq Ofll`bqhb pbel
nfrvwbmbe obmqfr` bfrho pbel nbnwv nfelhmy`aby` yvjdvr yfoblb` yvnofr fefrl` abe
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QVLBY N@M_HO@HJHL@ QBEBC
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E@N ;70(?31101(O@%3?60
a`lvebmbe veqvm nfelvobc IH? nfekba` I hrlbe`m% Mfnva`be a` obl`be b`r qfrabwbq
Ipbehobiqfr`b pbel nbnwv nfepvwjb` H? veqvm obmqfr` bfrho pbel nfnovqvcmbe%
W_FYFEQBY@ @@@
Cf|be rvn`ebeq`b nfn`j`m` 1 jbnovel afelbe vrvqbe yfoblb` ofr`mvq* rvnfe*
rfq`mvjvn* hnbyvn* abe bohnbyvn%Wbab rvnfe cf|be rvn`ebeq`b qfrabwbq bmq`t`qby
n`mrho`b qbebc pbel ofrbybj abr` qbebnbe pbel a`nbmbe hjfc cf|be qfryfovq% N`mrho`b
qfryfovq qfra`r` abr` wrhqh{hb ofry`j`b* dvel`* abe yfobl`be ofybr babjbc obmqfr` yfjvjhj`q`m pbel
nbnwv nfelvobc yfjvjhyb nfekba` ljvmhyb%
Bmq`t`qby n`mrho`b rvnfe ybelbq qfrlbeqvel wbab wC* kfe`y wbmbe* |bmqv yfqfjbc
nbmbe* tbr`by` cbr`be* wfelbrvc hynhq`m abe `he`m* mhnwhy`y` lby* abe qflbelbe wfrnvmbbe%
A` abjbn rvnfe* n`mrho`b nfjbmvmbe dfrnfeqby` yfc`ellb qfri`wqb bnhe`vn pbel
nfrvwbmbe cby`j aflrbaby` mfnva`be bnhe`vn qfryfovq a`vobc nfekba` bybn bn`eh hjfc
n`mrho`b pbel mfnva`be a`rbelmb` nfekba` wrhqf`e% Kba` rvn`ebeq`b q`abm nfnbmbe obcbe
pbel nfelbeavel bybn bn`eh ebnve abwbq qfrofeqvm bybn bn`eh mbrfeb nbyyb cby`j
nfqbohj`ynf n`mrho`b rvnfe% Y`dbq n`mrho`b abjbn rvnfe babjbc bebfrho%
N`mrho`b rvnfe abwbq a`nbedbbqmbe veqvm;
b% wfnovbqbe lby
o% nfebnobc mfqfryfa`bbe bnhe`vn
i% nfe`elmbqmbe mfybbbnbe nbmbebe #nfe`elmbqmbe dfrnfeqby` nbmbebe) yfc`ellb
jfo`c nvabc a`vobc nfekba` bybn bn`eh
Bab avb nbibn dfrnfeqby` abjbn rvnfe pb`qv;
b% dfrnfeqby` mbrohc`arbq bqbv yqrviqvrbj ibrohcparbqf dfrnfeqfr #YI)
nfrvwbmbe aflrbaby` bqbv wfnhqhelbe yqrvmqvr abr` whj`nfr ljvmhyb
o% dfrnfeqby` ehe mbrohc`arbq bqbv ehe.yqrviqvrbj ibrohcparbqf dfrnfeqfr #EYI)
nfrvwbmbe aflrbaby` wrhqf`e nfekba` ofeqvm pbel jfo`c yfafrcbeb pbel a`jbmvmbe
hjfc obmqfr` wrhqfhj`q`m