Category Archives: Charcoal-Terra Preta

How to Cut Your Fertilizer Use by 50 Per Cent

One of the experiments I’m trying this year is to mix charcoal in with my fertilizer. I’m mixing it at a ratio of 1 to 1, so in essence I’m cutting my fertilizer use by 50%.While the new charcoal will … Continue reading

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Horticultural Charcoal

I am starting to find other sources of charcoal as I surf the web. Here are some sources of horticultural charcoal which comes in varying sizes. Basques Charcoal ($108 for 70# – includes shipping via UPS) Hummert (I bought 100# … Continue reading

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How Charcoal Briquettes Are Made

I found this video from the Discovery Channel. It doesn’t appear that there is anything “bad” in briquettes to preclude them from being used in the garden. The recipe for briquettes is: Wood Anthracite coal Lime Corn starch Note – … Continue reading

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Charcoal Fertilizer – Terra Preta

After doing previous charcoal experiments, (check out the Charcoal Category),  I’ve decided that this will be my first year to put charcoal over my entire garden. It will be interesting to see how long it takes to break down so … Continue reading

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Make Your Own Charcoal Soil Amendment

After a number of experiments, I’ve come up with an almost perfect way to breakdown charcoal – just add water. In my quest to make terra preta, I have tried to breakup charcoal to a usable size by using blenders … Continue reading

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Filed under Butterfly Gardening, Charcoal-Terra Preta, Fertilizer, soil

Charcoal Experiment – August 11th.

Below is a picture of the charcoal experiment where I added unburned natural charcoal to the soil. The charcoal pot is the one on the right and seems to be doing the best. The plant without any fertilizer did die … Continue reading

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Filed under Charcoal-Terra Preta, Fertilizer