Inoculation Effect of N2-Fixer and P-Solubilizer into a Mixture of Fresh Manure and Phosphate Rock Formulated as Organonitrofos Fertilizer on Bacterial and Fungal Populations

Abstract

Microbial N2-fixer and P-solubilizer were innoculated in a mixture of fresh manure and phosphate rock formulated as an Organonitrophos fertilizer. The population dynamics of bacteria and fungi growing during the composting process were observed. The inoculation treatments consisted of: K = mixture of 20% phosphate rock and 80% of fresh manure + decomposers (control), N = mixture of 20% phosphate rock and 80% of fresh manure + decomposers + N2-fixer (Azotobacter and Azospirillum sp.) , P = mixture of 20% phosphate rock and 80% of fresh manure + decomposers + P-solubilizer (A. niger and P. fluorescens), and NP = mixture of 20% phosphate rock and 80% of fresh manure + decomposers + N2-fixer + P-solubilizer. The results showed that inoculation of microbial N2-fixer and combination inoculation of N2-fixer and P-solubilizer increased the total bacterial population compared to that of the control as well as the only inoculation of microbial P-solubilizer on the 14th day of observation in which the bacteria reached the highest population. On all the observation days, the population of fungi in the inoculation of microbial P-solubilizer treatment increased significantly compared to that of the control. However, there was no difference between the populations of fungi in the inoculation of N2-fixer and combination inoculation of N2-fixer and Psolubilizer. The genus of fungy identified in the compost of the mixture of fresh manure and phosphate rock were Chytridium sp., Aspergillus sp., Rhizopus sp., and Fusarium sp.[How to Cite : Nugroho SG, Dermiyati, J Lumbanraja, S Triyono, H Ismono. 2013. Inoculation Effect of N2-Fixer and P-Solubilizer into a Mixture of Fresh Manure and Phosphate Rock Formulated as Organonitrofos Fertilizer on Bacterial and Fungal Populations. J Trop Soils, 18 (1): 75-80. doi: 10.5400/jts.2013.18.1.75][Permalink/DOI: www.dx.doi.org/10.5400/jts.2013.18.1.75]

Produksi Jagung Manis Dan Kadar Mineral Jerami Pada Tiga Musim Tanam Dengan Pemupukan Pukan ‘Plus’

“…Genus fungi yang terdapat pada hasil dekomposisi campuran feses segar dan batuan fosfat adalah Chytridium sp., Aspergillus sp., Rhizopus sp. dan Fusarium sp (Nugroho et al, 2013). Pupuk kandang berperan dalam meningkatkan kesuburan fisik tanah karena mampu meningkatkan agregat ruang pori, ketersediaan air dan aerasi tanah (Jamariah dan Sulichantini, 2004).…”

“…Genus fungi yang terdapat pada hasil dekomposisi campuran feses segar dan batuan fosfat adalah Chytridium sp., Aspergillus sp., Rhizopus sp. dan Fusarium sp (Nugroho et al, 2013). Dengan demikian, beberapa macam pukan plus tersebut setara kemampuannya dalam menghasilkan kadar P dan Ca jerami pada MT-1.…”

Pupuk Kandang Diperkaya Fosfat Alam Dalam Bentuk Granular Dan Diinokulasi Biodekomposer Untuk Meningkatkan Nutrisi Jerami Jagung Manis Sebagai Hijauan Pakan Lokal Di Lahan Kering

“…Genus fungi yang terdapat dalam hasil dekomposisi campuran feses segar dan batuan fosfat adalah Chytridium sp., Aspergillus sp., Rhizopus sp. dan Fusarium sp (Nugroho et al, 2013). Aplikasi pupuk kandang dapat meningkatkan kandungan N total tanah (Mujiyati dan Supriyadi, 2009).…”

Effect of medium size and compost dose on organic red lettuce (Lactuca sativa L. Var red rapids) cultivation in pots

“…The research objective was to observe the effect of growth medium size and an organic compost dosage that had been developed previously and named as "Organonitrofos" [29,30,31], on organic red lettuce productions. The optimum medium size and organic compost dose were determined as well.…”