Weiwei Lu1,*, Yirui Zhang1, Yixian Yao1, Yuying Wu1, Han Y. H. Chen2, Hailin Zhang3, Jia Yu4, Caiqin Shen5, Qi Liu6, Honghua Ruan1,*
Phyton-International Journal of Experimental Botany, Vol.89, No.1, pp. 13-26, 2020, DOI:10.32604/phyton.2020.09125
Abstract The priming effect (PE) induced by biochar provides a basis for
evaluating its carbon (C) sequestration potential in soils. A 60 days’ laboratory
incubation was conducted, which involved the amendment of biochar (1% of soil
mass) produced from rice straw at 300ºC (B300) and 500ºC (B500) to young (Y)
and old (O) poplar plantation soils, with the aim of studying the responses of
biochar-induced PEs to poplar plantation ages. This incubation included six
treatments: Y + CK (control), Y + B300, Y + B500, O + CK, O + B300, and O +
B500. Carbon dioxide (CO2) emissions were significantly… More >
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