Simple Ways to Make Organic Biological Fertilizer (Organic Biofertilizer)

Simple Ways to Make Organic Biological Fertilizer (Organic Biofertilizer)

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Biological Fertilizer (Biofertilizer) is different from Organic Fertilizer.

The biological fertilizer is a concentrated solution of mixed cells of certain types of microorganisms that are active (alive), including nitrogen-fixing microorganisms, post-solvents and decomposers of organic compounds, which can supply the nutrients needed by plants.

These microorganisms are obtained from rooting plants or from soil around the root zone (Rhizosphere).

While organic fertilizer is a fertilizer that consists of elements of organic chemicals that can be directly absorbed by plants.

But in a simple way, they can be combined to produce high quality plant fertilizers to improve plant growth and crop yields.

Organic biological fertilizers are more profitable in terms of financing, resistance to plant disease causes, free from pathogenic microorganisms, and in terms of friendliness to the environment, compared with artificial chemical fertilizers.

Remnants or residues of artificial chemical fertilizers that are wasted into the water system flow are the causes of disturbance of ecosystem balance such as the occurrence of eutrophication, which I have discussed in this article,

"Impact, Cause and Lessons Learned For Indonesia from Qingdao Blooming Algae Phenomenon, PRC"

In addition, this chemical fertilizer residue is also responsible for the destruction of the chemical balance of agricultural land.

Here I am about to share how to make organic biofertilizer in a simple, effective and efficient way, based on my knowledge and experience and utilize a documentary video published by Princess Sirindhorn's Projects run by researchers from Worcester Polytechnic Institute and Chulalongkorn University.

The process takes a little longer, about 2.5 months, but the result is approximately 1,000 Liters of 100 L organic fertilizer concentrate, can be used for thousands of hectares of plants for months.But if the need for fertilizer is urgent, usually there are farm shops selling this biological fertilizer in bottles at a price of about Rp. 20,000 / Liter.

This simple way can be utilized by agricultural cooperatives or government agencies and non-government observers of farmers' welfare, or can also be used for home or individual scale by reducing the quantity, for example for ornamental plants in the yard of the house.

A. Production Process of Biological Fertilizer

Microorganism Isolation Stage

Take one kg of soil that comes from a depth of 10-15 cm from the soil surface. Choose the location of fertile soils free from human disturbance, away from settlements such as from well-maintained plantation lands or from dense forest (Figures 1 and 2).
The soil is mixed with one kilogram of dried bamboo, 5 kg of rice husk and 2 kg of rice bran, stirred evenly while pouring enough water, about 5 liters (Figures 3 and 4).
Insert the mixture into a 50 cm diameter container with a height of 30 cm. Create a 10 cm diameter hole in the center of the mix (fig 5 and 6).
Cover the mixture and place it in the shade for a month. Stir the mixture every 4 days and make a new ventilation hole.
The process is complete after the formation of a white fiber layer on the mixed surface (Figures 7 and 8).

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Stage of Increasing the Number of Microorganisms

The dry mixture of microorganisms is mixed evenly, then taken as much as 500 grams and put into a plastic net (Figure 9).
Mix 15 liters of molasses (a by-product of sugar cane processing) or 15 kg of liquid brown sugar into a container containing 75 liters of groundwater or a clean well (Figures 10 and 11).
Insert a plastic net containing the mixture of the microorganism into the container (Figure 12).
Stir uniformly in one direction.
Close the container and leave for a month in the shade.
The success indicator of this stage is that the solution smells good, if smelling means the process fails (Figure 13).

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B. Organic Fertilizer Production ProcessOne part of the solution is introduced into a container containing 10 parts of water mixed with one molasses section. Stir uniformly in one direction.
Add pieces of vegetables leaves such as cassava leaves or kale leaves as much as one-third of the containers, stir in one direction, then close (Figure 14).
Leave the mixture for 15 days in the shade (Figure 15).

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C. How to apply

Approximately 100 ml of fertilizer fluid is put into 20 liters of water for 40-50 crops (Figure 16).
Flush to the plant and to the soil surface where the plant grows (Figure 17).
The application is done once a week.
Preferably at the beginning of cultivation, applied fertilizer bokasi or compost as basic fertilizer about 500 gram / meter2

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That's how organic fertilizer-making is relatively easy and simple, in the context of Green Revolution. I am happy to be ready to discuss, accept constructive suggestions and criticism.

May be useful.Warm Regards Compan …

[-Rahmad Agus Koto-]

Source: Video


"Handbook of Biofertilizer and Biopesticides", Ed. A.M. Deshmukh, R.M. Khobragade, P.P.Dixit. Oxford Book Company, 2007.


The author is a graduate of Department of Biology FMIPA University of North Sumatra, who now works as Production Manager and Head of Microbiology Laboratory at CV Hamsa Multisains Indonesia, Medan. Company sales of water treatment products and services, industrial and domestic waste.


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