Table 2 Soil nutrient content.

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

Layers (cm)

pH

Available P (mg kg−1)

Available K (mg kg−1)

Organic matter (g kg−1)

Total N (g kg−1)

0–30

8.34

7.9

91.4

8.81

0.68

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