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Table 1 Doses of tested materials

From: Assessing the potential of biochar aged by humic substances to enhance plant growth and soil biological activity

  NB AB H H2O
Control 100 mL
Non-activated biochar (NB) 32 g 100 mL
Humac (H) 1 mL 99 mL
Non-activated biochar + Humac (NB + H) 32 g 1 mL 99 mL
Aged biochar (AB) Equal to 32 g of NB 100 mL