PENGARUH MEDIUM BERKUALITAS TEKNIS DALAM PERTUMBUHAN DAN AKTIVITAS BAKTERI PUPUK HAYATI
Biofertilizers microbes are ideally produced in p.a (pro analysis) qualified medium. This method leads to high cost production, less economically competitive in the market. This research was aimed to study the effect of technical grade media on the growth and activity of biofertilizer bacteria. Bact...
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| Main Authors: | , |
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| Format: | Theses and Dissertations NonPeerReviewed |
| Published: |
[Yogyakarta] : Universitas Gadjah Mada
2013
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| Subjects: | |
| Online Access: | https://repository.ugm.ac.id/120178/ http://etd.ugm.ac.id/index.php?mod=penelitian_detail&sub=PenelitianDetail&act=view&typ=html&buku_id=60198 |
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| Institution: | Universitas Gadjah Mada |
| Summary: | Biofertilizers microbes are ideally produced in p.a (pro analysis) qualified
medium. This method leads to high cost production, less economically
competitive in the market. This research was aimed to study the effect of technical
grade media on the growth and activity of biofertilizer bacteria. Bacterial activity
assays include : nitrogen fixation, production of Indole Acetic Acid (IAA), and P
solubilization. The inocula was also applied as fertilizer to maize. Specific growth
rate of the tested bacteria on p.a and technical grade medium were 0,090-0,285
and 0,089-0,413 per hour, respectively. Technical grade medium significantly
influenced the bacterial activity on nitrogen fixation and production of IAA, but
there was no significantly influence on P solubilization. Application of the
bacterial inocula was insignificantly effect on the growth of maize including plant
height, root and shoot weight. |
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