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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Buletin Peternakan Jurnal Ilmu Pertanian Sains Tanah Pembangunan Pedesaan Jurnal Tanah dan Air Jurnal Planta Tropika Jurnal Zeolit Indonesia Livestock and Animal Research SAINS TANAH - Journal of Soil Science and Agroclimatology Agrin : Jurnal Penelitian Pertanian JURNAL ILMIAH AGRINECA
Eko Hanudin
Jurusan Ilmu Tanah, Fakultas Pertanian, Universitas Gadjah Mada, Jl. Flora, Bulaksumur, Depok, Sleman, Yogyakarta 55281, Indonesia, Telp./fax.: (0274) 563062
Aerospace Engineering Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Economics, Econometrics & Finance Education Materials Science & Nanotechnology Veterinary Other

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Journal : Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy)

 1 
Ketersediaan Fosfor pada Tanah Andisol untuk Jagung (Zea maysL.) oleh Inokulum Bakteri Pelarut Fosfat , Tamad; Azwar Ma’as; Bostang Radjagukguk; Eko Hanudin; Jaka Widada
Indonesian Journal of Agronomy Vol. 41 No. 2 (2013): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (295.588 KB) | DOI: 10.24831/jai.v41i2.7516

Abstract

Andisols has relatively low phosphorus availability due to its adsorption by allophane. Phosphate solubilizing bacteria (PSB) increases the availability of P via release of adsorpted-P. The aims of this research were to determine: 1) anorganicP solubilization, 2) organic-P mineralization, 3) blocking of Andisols adsorption site, and 4) effective PSB inoculant. The research was arranged in completely randomized design, with PSB inoculant as treatment. Variables observed were solubleP, mineralize-P, adsorpted-P, pH, total acidity, PSB population, phosphatase and phythase activity, relative surface charge, and maize’s growth component. The result showed that PSB inoculation increased soluble-P from 30 to between 150 and 195 ppm P, increased mineralize-P from 23.7 to between 63.6 and 91.7 ppm P, and decreased P-adsorption from 95 to between 36 and 13%. PSB inoculation decreased the Andisols pH, increased the total acidity, PSB population, the phosphatase and phytase activity, and PSB had relatively high of relative surface charge (69%). The PSB inoculation increased maize P absorption in the range of 70 and 75 mg P plant-1, and increased relative agronomic effectiveness (RAE )between 145 and 150%. Liquid and solid PSB inoculant had no different effect in increasing maize growth. Keywords: Andisol, P release, phosphate solubilizing bacteria, phosphatase, phytase
Co-Authors , Tamad Achmad Fatchul Aziez Azwar Ma’as Bambang Hendro Sunarminto Bambang Hendro Sunarminto Bambang Hendro sunarminto Bambang Triyatmo Benito Heru Purwanto Bostang Radjagukguk Cahyo Wulandari Dewi Ratna Nurhayati Didik Indradewa Eka Tarwaca Susila Putra Endang Dwi Purbajanti Endang Sulistyaningsih JAKA WIDADA Jauhari Syamsiyah Kartikawati, Retno Lis Noer Aini, Lis Noer Muhammad Rif’an Mulyono Mulyono Mulyono, Mulyono Prapto Yudhono Prapto Yudono Priyono Suryanto Putri Ratnasari R. Djoko Sutrisno Rajiman Rajiman Riyadi, Aldy Slamet Sahfitra, Angga Ade Sari Widya Utami, Sari Widya Sri Nuryani Hidayah Utami, Sri Nuryani Hidayah Subur Priyono Sasmito Budhi Supriyanto Notohadisuwarno Taryono, Taryono Tohari Tohari Wiratama, Ristiya Adi Y. Prapto, Y.