Skip to main content

Table 4 The effect of bacterial combination on available N/P/K content in soil

From: Beneficial bacteria activate nutrients and promote wheat growth under conditions of reduced fertilizer application

 

Combination

Alkali-hydrolyzed nitrogen (mg/kg soil)

Available P (mg/kg soil)

Available K (mg/kg soil)

C0

Control

12.13 ± 0.2 c

7.48 ± 0.8c

87.47 ± 2.1d

C1

K14 + 176 + P9 + N8 + K10

18.71 ± 1.1 b

11.69 ± 1.4b

95.79 ± 2.9bcd

C6

K14 + 176 + P9 + N8 + P5

21.98 ± 1.4 a

14.92 ± 1.1a

104.42 ± 2.8a

C7

K14 + 176 + P9 + N9 + K10

19.28 ± 1.5 b

13.09 ± 0.4ab

98.24 ± 2.8abc

C9

K14 + 176 + P9 + N9 + K13

19.55 ± 0.9 b

14.19 ± 1.1ab

100.51 ± 1.0ab

C12

K14 + 176 + P9 + N9 + P5

18.71 ± 0.8 b

11.49 ± 1.0b

90.38 ± 6.3cd

C15

K14 + 176 + P9 + N10 + K13

18.01 ± 1.4 b

12.00 ± 1.2ab

93.86 ± 4.4bcd

C16

K14 + 176 + P9 + N10 + P1

18.13 ± 0.9 b

12.63 ± 1.1ab

89.20 ± 5.2cd

C24

K14 + 176 + P11 + N8 + P5

14.51 ± 1.6 c

11.47 ± 1.2 b

91.33 ± 1.5bcd

C33

K14 + 176 + P11 + N10 + K13

14.76 ± 0.6 c

11.18 ± 0.9 b

86.51 ± 2.5d

C34

K14 + 176 + P11 + N10 + P1

14.51 ± 1.6 c

11.72 ± 0.9 b

93.27 ± 4.5bcd

  1. Values are means ± SE. abcd letters on the bars denote differences on the basis of a t-test (p < 0.05)