Table 1 Effects of different fertilizer treatments on the properties of grape rhizosphere soil on days 15 and 75 after anthesis. Values are means ± standard errors (n = 3).

From: Increased organic fertilizer application and reduced chemical fertilizer application affect the soil properties and bacterial communities of grape rhizosphere soil

Number of days after anthesis (d)

Treatment

SOM (g/kg)

AN (mg/kg)

AP (mg/kg)

AK (mg/kg)

pH

Conductivity (us/cm)

 

CK

31.58 ± 1.42d

48.64 ± 1.08d

34.36 ± 0.82d

148.19 ± 0.89d

8.13 ± 0.03a

0.254 ± 0.009a

 

T0

44.20 ± 1.14c

64.74 ± 1.27b

78.47 ± 1.46c

163.58 ± 1.55c

8.15 ± 0.10a

0.231 ± 0.017b

15 d

T1

53.07 ± 1.00b

59.39 ± 0.80c

78.75 ± 1.11bc

170.46 ± 1.24c

8.07 ± 0.02b

0.203 ± 0.026bc

 

T2

56.95 ± 1.03a

69.26 ± 1.10a

83.36 ± 1.12a

218.18 ± 1.63a

8.09 ± 0.01b

0.175 ± 0.008c

 

T3

53.28 ± 0.70b

64.61 ± 1.00b

80.72 ± 1.24b

210.25 ± 1.44b

8.09 ± 0.01b

0.191 ± 0.008c

 

M-CK

35.25 ± 1.34d

41.89 ± 1.32d

41.17 ± 1.17d

136.89 ± 1.53d

8.10 ± 0.02a

0.291 ± 0.029a

 

M-T0

51.08 ± 1.03c

61.94 ± 1.88c

68.37 ± 0.92c

262.86 ± 2.32b

8.09 ± 0.03a

0.225 ± 0.006b

75 d

M-T1

70.85 ± 1.64a

70.52 ± 0.96a

82.36 ± 1.45a

282.14 ± 1.60a

8.04 ± 0.01ab

0.202 ± 0.007c

 

M-T2

65.36 ± 0.75b

66.73 ± 1.40b

77.83 ± 0.93b

267.83 ± 1.34b

7.97 ± 0.04b

0.171 ± 0.004c

 

M-T3

63.14 ± 1.22b

64.06 ± 0.92c

68.12 ± 1.45c

251.15 ± 1.60c

8.02 ± 0.07b

0.184 ± 0.009c

  1. Different letters indicate significant differences (P < 0.05) between two treatments. SOM: soil organic matter; AN: alkali-hydrolysed nitrogen; AP: available phosphorus; AK: available potassium.
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