Supported by the National Natural Science Foundation of China (Nos. 41071192 and 40701096);the West Light Foundation of Chinese Academy of Sciences (No. B2008132);the Chinese Universities Scientific Fund (No. QN2009085)
To compare the development of physical crusts in three typical cultivated soils of China, a black soil (Luvic Phaeozem), a loess soil (Haplic Luvisol), and a purple soil (Calcaric Regosol) were packed in splash ...