How To Use Charcoal As Fertilizer
How to Use Charcoal As Fertilizer. Charcoal works as a highly effective slow-release fertilizer. The type of charcoal used, however, is important. Natural charcoal formed from biomasses such as wood will give the best results, with commercial charcoal briquettes, often containing chemical additives, being much less beneficial. This type of natural charcoal, purchased from natural-alternative outlets or made by slow-burning wood, will release vital nutrients into the soil, aiding the growth of your plants.
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