Biochar Classification Tool

Choose a biochar from our database of PNW feedstocks, or enter data for your own biochar to view its classification.

Select amendment rate units

Enter as much data as you have about your biochar.

Name

Carbon Storage Class

Total H (%)

Total C (%)

Carbonates (%)

Organic C (%)

Note: Total C is used in calculation if carbonates or organic C are unavailable.

Fertilizer Class

Total K (ppm)

Avail. K (ppm)

Total P (ppm)

Avail. P (ppm)

Total Mg (ppm)

Avail. Mg (ppm)

Total S (ppm)

Avail. S (ppm)

Liming Class

CaCO₃ equivalent (%)

Particle Size Class

<0.5 mm (%)

0.5 - <1 mm (%)

1 - <2 mm (%)

2 - <4 mm (%)

4 - <8 mm (%)

8 - <16 mm (%)

16 - <25 mm (%)

25 - <50 mm (%)

>50 mm (%)

Select a variable to plot

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