Table 1.

Particle-size distributions of the experimental soil and sand mulch.

soil Particle size (μm)	<1	<10	<50	<1000	<2000
soil (%)	10.06	23.13	80.26	99.46	100.00
Sand composition (mm)	<0.63	<1.25	<2.50	<5.00	<10.00
sand (%)	34.62	59.70	79.58	94.51	100.00