Please use this identifier to cite or link to this item: https://repository.unej.ac.id/xmlui/handle/123456789/74159
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dc.contributor.authorCandra Setiawati, T
dc.contributor.authorMarga Mandala
dc.contributor.authorArie Mudjiharjati
dc.date.accessioned2016-05-19T02:31:06Z
dc.date.available2016-05-19T02:31:06Z
dc.date.issued2016-05-19
dc.identifier.urihttp://repository.unej.ac.id/handle/123456789/74159
dc.descriptionLembaga Penelitian Universitas Jember Jl. Kalimantan 37 Jember Telepon 0331 337818en_US
dc.description.abstractPotassium solubillizing microorganisms (KSM) and phosphate solubillizing microorganisms (PSM) isolated from sugarcane rhizosphere and their capability on solubilization from some insoluble potassium and insoluble phosphate were examined. Isolation of microorganisms was carried out from three sugarcane plantations area, on Aleksandrov’sand Pikovskayaagar medium. From the 41 isolated microorganisms were selected 15 isolates potassium solubilizing microorganisms which exhibiting highest potassium solubilization (solubility index) on solid medium. All the KSM were found to be capable of solubilizing K from insoluble K-bearing minerals source, and the solubilization zone ranging from 0.15 to 4.5 cm. 13.3% isolate has Solubility Index (SI) more than four on solid medium. Quantitative test result of KSM conducted on liquid medium containing potassium mineral trachyte, feldspar, leucite (Pati and Situbondo), released water soluble-K (exchangeable-K) ranging from 0.13 to 12.25 mg.L-1 (Feldspar); 1.24 to 15.57 mg L-1 (Leucite pati); 1.01 to 4.,59 mg L-1 (Leucite Situbondo); and 0.16 to 6,34 mg L-1 (Trachyte). KSM strain Sbr3caused maximum solubilization on feldspar (12.25 mg L-1), KSM strain Asb3 on leucite Pati (18.17 mg L-1), KSM strain Prj3 on leucite Situbondo (16.14 mg L-1), whereas KSM strain Prj5 caused maximum solubilization on trachyte (6.92 mg L-1).All isolates produce organic acid citric, ferulic and coumaric, some isolates also produce malic and syringic acid. Total organic acid produced by isolated ranging from 130.42to 434.44 mg.L-1. Ferulic acid was produced by all isolates on all of K sources higher than other organic acid.en_US
dc.description.sponsorshipHibah Unggulan - 2015en_US
dc.language.isoiden_US
dc.publisherFAPERTA - 2015en_US
dc.relation.ispartofseriesHibah Unggulan;2015
dc.subjectLeuciteen_US
dc.subjectTrachyteen_US
dc.subjectFeldsparen_US
dc.subjectAleksandrov’s agar mediumen_US
dc.subjectPotassium solubillizing microorganismsen_US
dc.subjectferrulic aciden_US
dc.titleLAPORAN AKHIR PENELITIAN UNGGULAN PERGURUAN TINGGI PEMANFAATAN INOKULASI GANDA BAKTERI PELARUT FOSFAT DAN PELARUT KALIUM PADA MEDIA BAGASE TEBU GUNA PENINGKATAN KETERSEDIAAN HARA TANAH DAN PERTUMBUHAN TANAMANen_US
dc.typeOtheren_US
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