The Effect of Nitrifying Bacteria Addition during Cow Urine Fermentation on the Quality of Liquid Organic Fertilize

Authors

  • Gede Jaya Kusuma Putra Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana. Kampus Bukit Jimbaran, Badung-Bali
  • Yohanes Setiyo Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana. Kampus Bukit Jimbaran, Badung-Bali
  • I Nyoman Sucipta Program Studi Teknik Pertanian, Fakultas Teknologi Pertanian, Universitas Udayana. Kampus Bukit Jimbaran, Badung-Bali

DOI:

https://doi.org/10.24843/JBETA.2022.v10.i01.p025

Keywords:

cow urine, fermentation, liquid organic fertilizer, nitrifying bacteria

Abstract

The purpose of this study was to examine the effect of adding Nitrifying bacteria in the processfermentation of cow urine, so that the best POC(liquid organic fertilizer) quality was obtained. This research used a completely randomized design (RAL), with five different treatments and three replications. The treatments were carried out using one factor MN1 (2% mollase and Nitrifying Bacteri1%), MN2 (2% mollase and Nitrifying Bacteri2%), MN3 (2% mollase and Nitrifying Bacteri 3%), MN4 (2% mollase and Nitrifying Bacteri 4%), MN5 (mollase 2% and Nitrifying Bacteri 5%) and put into cow urine as much as 5 liters. This fermentation was carried out for 21days, the observed variables were Electrical Conductivity (EC), Degree of Acidity (pH), Total Dissolved Solids (TDS), temperature, microbial population, C-Organic, and N-total. In the fermentation process for 21 days, the N-Total value was not significantly different for each sample. While the C-Organic on day 21 of the MN5 sample had the lowest value, namely 0.52%. While the C-Organic on day 21 of the MN5 sample had the lowest value, namely 0.52%. For the results of the bacterial population samples MN4 and MN5 on day 15 experienced a decrease in population development. During the 21-day fermentation process the best results occurred in MN2 samples (2% molasses and 2% nitrifying bacteria), when viewed from the final values of TDS, EC and C-Organic. This research can increase N-total and the development of bacteria which is quite good, but this result is still far from the standard set by the Decree of the Minister of Agriculture of the Republic of Indonesia No: 261/KPTS/SR.310/M/4/2019.

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Published

2022-04-29

How to Cite

Putra , G. J. K., Setiyo , Y., & Sucipta , I. N. (2022). The Effect of Nitrifying Bacteria Addition during Cow Urine Fermentation on the Quality of Liquid Organic Fertilize. Jurnal BETA (Biosistem Dan Teknik Pertanian), 10(1), 11–20. https://doi.org/10.24843/JBETA.2022.v10.i01.p025

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Vol. 10 No. 1 (2022): April

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