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. 2021 Jul 16;12:693535. doi: 10.3389/fmicb.2021.693535

TABLE 2.

Nutrient contents in peanut seeds and soil physicochemical properties in the 5th year of harvest.

Conventional CK B. cepacia ISOP5 R. palustris ISP-1 MB
Peanut seed nutrient contents Protein% 23.85 ± 0.28ab 23.23 ± 0.86b 26.25 ± 2.76a 26.62 ± 1.78a 26.55 ± 1.41a
N% 4.37 ± 0.05ab 4.26 ± 0.16b 4.81 ± 0.51a 4.88 ± 0.33a 4.86 ± 0.26a
P% 0.42 ± 0.03a 0.41 ± 0.02a 0.42 ± 0.05a 0.41 ± 0.04a 0.42 ± 0.04a
K% 0.7 ± 0.05a 0.79 ± 0.04a 0.76 ± 0.09a 0.76 ± 0.06a 0.76 ± 0.05a
Soil chemical properties pH 4.92 ± 0.18a 4.67 ± 0.12b 4.84 ± 0.08ab 4.86 ± 0.11ab 4.81 ± 0.16ab
EC(um/cm)a 45.7 ± 2.36c 62.23 ± 1.27ab 59.3 ± 8.73ab 57.39 ± 5.78b 67.9 ± 8.22a
AP/(mg/kg) 23.13 ± 8.08a 30.97 ± 12.43a 41.06 ± 17.04a 38.71 ± 19.07a 34.99 ± 16.91a
AK/(mg/kg) 188 ± 47.53b 207.24 ± 22.4ab 233 ± 28.89ab 228.94 ± 21.14ab 236.85 ± 10.81a
DTN (mg/kg) 64.54 ± 3.07a 61.85 ± 8.33a 69.06 ± 5.95a 62.37 ± 10.47a 63.66 ± 2.06a
OM (g/kg) 18.21 ± 0.5a 14.92 ± 1.13ab 17.38 ± 2.79a 15.87 ± 1.77ab 15.48 ± 2.29ab
TN (mg/kg) 751.53 ± 18.61a 745.2 ± 38.48a 818.19 ± 31.36a 778.49 ± 73.58a 770.22 ± 38.32a
TP (mg/kg) 483.02 ± 24.98a 487.88 ± 80.04a 495.73 ± 9.44a 489.41 ± 45.32a 506.69 ± 9.6a
TK (%) 1.34 ± 0.03a 1.32 ± 0.09a 1.33 ± 0.06a 1.37 ± 0.07a 1.31 ± 0.09a

aElectronic conductivity. Different lowercase letters represent the significant difference among the 5 treatments at p < 0.05. Conventional: conventional chemical fertilization; CK: fertilized with basic fertilizer containing NPK fertilizers and composted cow manure; B. cepacia ISOP5: fertilized with basic fertilizer and then applied with suspension of strain B. cepacia ISOP5; R. palustris ISP-1: fertilized with basic fertilizer and then applied with suspension of strain R. palustris ISP-1; MB, fertilized with basic fertilizer and then applied with suspensions of B. cepacia ISOP5 and R. palustris ISP-1.