Table 3 Effect of N application on NO3-N (mg kg−1) accumulation (averaged over type and rates of biochar) at different sampling dates in clay loam and loamy sand soils.

From: Biochar influences nitrogen and phosphorus dynamics in two texturally different soils

Treatment

Incubation time (days)

1

3

5

7

15

30

60

Rate of N applied (mg kg−1)

 A. Clay loam

  0

8.0b

12.4a

14.9b

17.0b

26.0b

27.4b

27.8b

  100

8.7a

22.6b

48.7a

68.0a

72.4a

78.4a

79.4a

 B. Loamy sand

  0

10.6b

18.3b

26.3b

34.5b

36.0b

38.7b

38.8b

  100

18.2a

30.2a

50.5a

65.8a

73.6a

76.9a

75.4a

  1. Within a column, means followed by the same letter are not significantly different at a 0.05 probability level.
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