Table 6 Correlation between half-life of atrazine and soil organic matter content.

From: Effects of straw mulching combined with nitrogen application on soil organic matter content and atrazine digestion

Years

Soil depth/cm

Fitting equation

Determinate coefficient R2

In 2018

0 ~ 20

T0.5 = 35.40 − 0.981SOM

0.260

20 ~ 40

T0.5 = 33.09 − 0.895SOM

0.914

In 2019

0 ~ 20

T0.5 = 25.06 − 0.328SOM

0.396

20 ~ 40

T0.5 = 29.05 − 0.623SOM

0.968