How is biochar applied to soil?
Biochar is most commonly incorporated into the soil.
First, evenly spread the desired amount onto the soil,
then till it in with machinery or by hand. In some cases,
such as fruit orchards and other perennial crops where
tilling is not an option, biochar can be (1) applied to the
soil surface and, preferably, covered with other organic
materials, (2) applied mixed with compost or mulch, or
(3) applied as a liquid slurry if finely ground (on a large
scale, this could be done with a hydromulcher). When
planting trees or other potted plants, biochar can be
mixed with the backfill material. Deep banding can also
be been used under appropriate conditions.
Biochar as a component of compost can have synergistic
benefits. Biochar can increase microbial activity
and reduce nutrient losses during composting. In the process, the biochar becomes “charged”
with nutrients, covered with microbes, and pH-balanced,
and its mobile matter content is decomposed into plant
nutrients.
Regardless of the application method, it is important
to be cautious when handling dry biochar, which is very
dusty and should not be spread in windy conditions.
How is biochar applied to soil?Biochar is most commonly incorporated into the soil.First, evenly spread the desired amount onto the soil,then till it in with machinery or by hand. In some cases,such as fruit orchards and other perennial crops wheretilling is not an option, biochar can be (1) applied to thesoil surface and, preferably, covered with other organicmaterials, (2) applied mixed with compost or mulch, or(3) applied as a liquid slurry if finely ground (on a largescale, this could be done with a hydromulcher). Whenplanting trees or other potted plants, biochar can bemixed with the backfill material. Deep banding can alsobe been used under appropriate conditions.Biochar as a component of compost can have synergisticbenefits. Biochar can increase microbial activityand reduce nutrient losses during composting. In the process, the biochar becomes “charged”with nutrients, covered with microbes, and pH-balanced,and its mobile matter content is decomposed into plantnutrients.Regardless of the application method, it is importantto be cautious when handling dry biochar, which is verydusty and should not be spread in windy conditions.
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