Table 1 Basic physical and chemical properties of newly created soil in Ansai District.

From: Effects of alfalfa and oatgrass on soil nutrients in newly cultivated land on the Loess Plateau, China

depth

(cm)

SOM

(g.kg−1)

TN

(g.kg−1)

TP

(g.kg−1)

TK

(g.kg−1)

C/N

AN

(mg.kg−1)

AP

(mg.kg−1)

AK

(mg.kg−1)

PH

0–20

6.52 ± 0.04

0.31 ± 0.00

1.14 ± 0.01

18.17 ± 0.17

12.09 ± 0.15

17.73 ± 0.81

7.12 ± 0.90

110.67 ± 2.52

8.56 ± 0.03

20–40

5.75 ± 0.14

0.27 ± 0.00

1.10 ± 0.01

17.95 ± 0.12

12.44 ± 0.38

14.47 ± 0.81

3.72 ± 0.06

56.67 ± 1.15

8.62 ± 0.01

40–60

5.52 ± 0.21

0.26 ± o.o1

1.07 ± 0.02

17.99 ± 0.23

12.29 ± 0.82

12.13 ± 0.81

2.98 ± 0.11

51.33 ± 1.15

8.66 ± 0.01