Research Article

Soil Application of Tannery Land Plaster: Effects on Nitrogen Mineralization and Soil Biochemical Properties

Figure 3

Dynamics of CO2-C evolution rate in soil M (a) and soil P (b) at different sampling time. C: controls; 220: TLP addition rate at 220 kg N ha−1; 440: TLP addition rate at 440 kg N ha−1; bars represent standard deviation ( ).
395453.fig.003a
(a)
395453.fig.003b
(b)