An orchard prune residue biochar significantly increased
As concentrations in pore water (500–2 000
g L−1), whilst root and shoot As concentrations of
tomato (Solanum lycopersicum L.) plantlets were significantly
reduced compared to the control without
biochar (Beesley et al., 2013), and toxicity-transfer risk
was negligible (< 3 g kg−1). However, Gregory et al.