Image of Produksi Biofertilizer Serbuk Menggunakan Bakteri Pelarut Fosfat Asal Gambut Riau Dan Efektivitasnya Dalam Memacu Pertumbuhan Jagung (Zea mays L.)
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Produksi Biofertilizer Serbuk Menggunakan Bakteri Pelarut Fosfat Asal Gambut Riau Dan Efektivitasnya Dalam Memacu Pertumbuhan Jagung (Zea mays L.)

Biofertilizer is a formulation containing microorganisms that can be used to support plant growth. The purpose of this study was to produce powder biofertilizer and determine its effectiveness in increasing corn (Zea mays L.) growth until 45 days. Seven potential isolates of phosphate solubilizing bacteria (PSB) were chosen as biofertilizer agents and subcultured on Pikovskaya slant agar. Subcultured isolate was then inoculated into liquid Pikovskaya medium to produce 14 starters that are starter 1 and 7 contain 4 isolates; starter 2, 6 and 8 contain 3 isolates; starter 3, 4 and 5 contain 2 isolates; starter 9, 10, 11, 12, 13 and 14 contain 1 isolate. Each starter was inoculated into sterilized peat carrier materials which its humidity was previously set to 10% and then fermented for four days. After that, biofertilizer was directly packaged and stored in refrigerator for 0, 1 and 3 months and was analyzed by quantifying the PSB cells number and biofertilizer pH for each of storage period. Biofertilizer for a period of 3 months was applied to corn plants. The results showed that the powderbiofertilizer with 3 months of shelf life has the cells number ranged between 11.5 x 109 CFU/g up to 25.33 x 109 CFU/g and pH ranged between 5.1 up to 7.0. In general, biofertilizer inoculated by 14 starters could improve the corn plants growth. Among starters employed, starter 11 shows better performance in increasing corn growth revealed by the highest plant fresh weight produced.
Keywords: corn plant, peat, powder biofertilizer, phosphate solubilizing bacteria, Pikovskaya medium

Ketersediaan
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Perpustakaan Universitas Riau 03 04. 116 (0042)
03 04. 116 (0042)
Tersedia
Informasi Detail
Judul Seri
-
No. Panggil
03 04. 116 (0042)
Penerbit
Pekanbaru : Universitas Riau - FMIPA - Biologi.,
Deskripsi Fisik
viii, 49 hlm.: ill.: 29 cm
Bahasa
Indonesia
ISBN/ISSN
-
Klasifikasi
03 04. 116 (0042)
Tipe Isi
-
Tipe Media
-
Tipe Pembawa
-
Edisi
-
Subjek
BIOLOGI
Info Detail Spesifik
-
Pernyataan Tanggungjawab
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