Table 1 Soil particle composition.

From: Effects of different mulch materials on the photosynthetic characteristics, yield, and soil water use efficiency of wheat in Loess tableland

Layers (cm)

Clay (%)

Silt (%)

Sand (%)

Texture (USDA)

 < 0.002 mm

0.02–0.002 mm

2–0.02 mm

0–30

1.3

73.3

25.4

Silty loam soil

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