The Wonders of Carbonized Rice Hull

In the world of organic farming, recycling is the key to sustainability and from this recycling, we can make a new material that can be used in farming and one of those materials is the Carbonized Rice Hull or CRH.

Carbonized rice hull is made from incomplete or partial burning of rice hull. It undergoes a controlled burning process where the dried rice hull is heated until they are carbonized.

So what is CRH good for? Firstly, CRH is a very good soil fertilizer and conditioner. CRH contains phosphorous (P), potassium (K), calcium (Ca), magnesium (Mg), and micronutrients vital to growing crops. It makes the clay soil porous because of its loose composition. It improves soil structure by increasing bulk density, water holding capacity, and aeration. CRH also harbors good bacteria and it serves as houses for beneficial microorganisms. With these benefits, CRH is a very good potting media for seed sowing and seedling propagation.

Aside from being used in agriculture, CRH can also be used as a water purifier as the activated carbon in the CRH has the ability to filter out dirty particles in the water. It can also be used as charcoal for fuel, compressed CRH or charcoal briquettes are good alternative sources of fuel. Deodorizer/odor suppressant is one of its uses, CRH is sprinkled over the beddings of the pig pen, under dog cages and other foul odor causes.

In Costales Nature Farms, CRH is being used as one of the ingredients for their potting media. The ratio is 2:1, 2 parts CRH and 1 part vermicast. CRH alone is insufficient as it does not contain nitrogen that is very vital in crop production but aside from nitrogen, it is complete in micro nutrients and it is very rich in potassium and phosphorous. The CRH will provide the loose texture, micro nutrients, P and K, good air circulation and good water draining properties. As for the vermicast, it will provide most of the required nutrients of the seed/seedling as it is a complete fertilizer and it is one of the recognized “cool” fertilizer because though it is a manure, it does not produce heat and we can directly sow the seeds in the vermicast and it can still make the seed germinate. vermicast also provides the water holding capacity of the potting media.

For the step-by-step procedure of making Carbonized Rice hull, it can be seen under the “Organic Secrets” tab  or you can click this link:

This video might also help:

6 Responses to The Wonders of Carbonized Rice Hull

  1. mrs manlapaz Reply

    November 17, 2012 at 6:24 am

    sir yung coffe trash saan sya pwede gamitin? pang organic din yun. nanghihingi kasi kami sa starbucks.

    • Reden Costales Reply

      March 23, 2013 at 11:39 am

      @ Mrs. Manlapaz,

      Ma’am maganda po ung gawing fertilizer. mayaman po un sa nitrogen. paki basa po ung article ko about Bokashi. Substitute po ang coffee grounds sa copra meal

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    March 23, 2013 at 9:09 am

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  4. lhel Reply

    December 19, 2014 at 3:40 am

    sir, healthy pa rin po ba ang ipa na ginamit na sa pagluluto kung gagamitin ko naman sa garden as fertilizer?

    • Reden Costales Reply

      December 19, 2014 at 9:50 am

      Ok padin gamitin un sir. Wag lng po ung abo. Magiging acidic n ung lupa kapag abo na

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