Effect of drying–wetting cycles on aggregate breakdown for yellow–brown earths in karst areas

Geoenvironmental Disasters

Table 2 The distribution of grain size of soil aggregates under drying–wetting cycles

D–W cycles	Mass percent content of soil aggregates in each size range (%)
D–W cycles	5–10 mm	2–5 mm	1–2 mm	0.5–1 mm	0.25–0.5 mm	<0.25 mm
0	33.63	22.14	11.53	7.81	9.76	15.13
1	9.72	22.92	17.12	13.74	13.12	23.39
2	6.86	16.03	15.88	19.22	16.49	25.52
5	3.07	5.93	15.91	26.32	20.22	28.56
10	0.25	2.29	11.69	29.92	23.79	32.06