Table 1 Soil inorganic N, soil TN, bulk density and soil pH value under the four experimental treatments.

From: Biochar amendment reduces paddy soil nitrogen leaching but increases net global warming potential in Ningxia irrigation, China

Treatment

NO3 −-N (mg kg−1)

NH4 +-N (mg kg−1)

TN (g kg−1)

Bulk density (g cm−3)

Soil pH value

C0

26.52 ± 3.03a

9.81 ± 0.62a

1.08 ± 0.01c

1.33 ± 0.01a

8.62 ± 0.02a

C1

19.14 ± 0.23b

8.44 ± 0.40b

1.15 ± 0.01b

1.28 ± 0.02b

8.58 ± 0.04a

C2

15.30 ± 0.97bc

8.72 ± 0.18ab

1.20 ± 0.02b

1.28 ± 0.02b

8.56 ± 0.03a

C3

12.99 ± 0.39c

9.25 ± 0.32ab

1.32 ± 0.02a

1.27 ± 0.01b

8.56 ± 0.03a

  1. Data are mean ± SE. Lowercase letter in the same column represents significant differences among experimental treatments at the level of 0.05.
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