Table 2 Determination of soil properties.

From: Effect of root promoter on tobacco (Nicotiana tabacum L.) growth and nutrient accumulation at Hunan Province, China

Treatment

pH

SOM (mg/kg)

AN (mg/kg)

AP (mg/kg)

AK (mg/kg)

PH

6.15 ± 0.07a

47.97 ± 0.72a

28.74 ± 0.78b

62.91 ± 0.62a

215.17 ± 5.34bc

HIEC

5.83 ± 0.04bc

43.43 ± 0.32b

28.14 ± 0.62b

62.97 ± 1.74a

213.22 ± 3.51c

CS

5.95 ± 0.07b

44.80 ± 0.66b

29.41 ± 1.00ab

63.63 ± 1.78a

224.65 ± 3.79b

CG

5.77 ± 0.02c

40.57 ± 0.38c

31.37 ± 1.41a

65.30 ± 1.40a

236.03 ± 3.41a

  1. Data are presented as mean ± standard deviation (n = 3). Different lowercase letters within the same column indicate significant differences among treatments at p < 0.05 according to Duncan’s multiple range test. SOM, Soil Organic Matter; AN, Alkali-hydrolyzable Nitrogen; AP, Available Phosphorus; AK, Available Potassium; PH, Potassium Humate; HIEC, Hymexazol and Isorothiolane Emulsifiable Concentrate; CS, Chitosan; CG, Control Group.
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