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Table 3 Biochar properties produced from the soil pyrolyzer

From: Low cost maize stover biochar as an alternative to inorganic fertilizer for improvement of soil chemical properties, growth and yield of tomatoes on degraded soil of Northern Uganda

Parameters

Characteristics

Biochar yield (%)

34.6

Ash (%)

40.0

pH

9.20

EC (dS m−1)

3.55

Total carbon (%)

15.7

Total Nitrogen (%)

0.97

Phosphorus (%)

3.08

Potassium (%)

4.6

Calcium (%)

1.6

Magnesium (%)

0.1