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