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Table 1 The amount of fertilizer applied in this experiment

From: Biochar and biofertilizer reduced nitrogen input and increased soybean yield in the maize soybean relay strip intercropping system

Organic material

Nitrogen level

N

(kg ha−1)

P2O5

(kg ha− 1)

K2O

(kg ha− 1)

CK

N0

8.4

63

52.5

N1

22.5

63

52.5

N2

45

63

52.5

N3

67.5

63

52.5

BC

N0

6

55.5

51.6

N1

20.1

55.5

51.6

N2

42.6

55.5

51.6

N3

65.1

55.5

51.6

BF

N0

0

62.73

49.2

N1

14.1

62.73

49.2

N2

36.6

62.73

49.2

N3

59.1

62.73

49.2

  1. Note: Nitrogen application treatment: N0, 8.4 kg ha −1 N; N1, 22.5 kg ha −1 N; N2, 45 kg ha −1 N; N3, 67.5 kg ha − 1 N. Fertilizer treatment: CK, no fertilizer control; BC, biochar; BF, biofertilizer
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BMC Plant Biology

ISSN: 1471-2229

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