Table 3. Change of seasonal soil moisture content by biochar treatment to direction of Quercus variabilis within the plots.

Season North (%) South (%)
Control 4t Control 4t
Spring 20.0±3.0 25.0±4.0 6.0±2.0 14.0±3.0
Summer 19.0±4.0 25.0±6.0 6.0±3.0 13.0±5.0
Fall 26.0±3.0 32.0±5.0 7.0±3.0 17.0±5.0
Winter 18.0±5.0 26.0±2.0 4.0±0.0 12.0±4.0