Table 1 Soil properties under the treatment of different soil conditioners.

From: Soil conditioner improves soil properties, regulates microbial communities, and increases yield and quality of Uncaria rhynchophylla

Treatment

PH

TN

TP

TK

AHN

AP

AK

SOM

g·kg−1

g·kg−1

g·kg−1

mg·kg−1

mg·kg−1

mg·kg−1

g·kg−1

M1

4.70 ± 0.10b

1.44 ± 0.35a

0.39 ± 0.12a

8.53 ± 1.07a

145.67 ± 14.19ab

34.33 ± 7.13ab

101.50 ± 16.26c

34.77 ± 9.00a

M2

4.84 ± 0.09b

1.60 ± 0.17a

0.45 ± 0.05a

8.87 ± 1.54a

149.67 ± 8.02a

35.73 ± 1.19ab

125.50 ± 13.44bc

38.99 ± 3.62a

M3

4.86 ± 0.20b

1.32 ± 0.45a

0.44 ± 0.25a

9.47 ± 2.02a

131.89 ± 18.33abc

50.00 ± 16.02a

135.50 ± 14.85b

37.24 ± 4.19a

M4

4.79 ± 0.10b

1.55 ± 0.31a

0.45 ± 0.07a

9.27 ± 2.23a

144.00 ± 13.75ab

32.33 ± 3.93b

116.50 ± 6.36bc

38.40 ± 8.60a

M5

5.34 ± 0.22a

1.46 ± 0.22a

0.48 ± 0.08a

9.57 ± 2.38a

111.00 ± 15.88c

41.00 ± 9.97ab

188.00 ± 15.56a

36.68 ± 7.14a

M6

4.77 ± 0.18b

1.41 ± 0.37a

0.39 ± 0.11a

9.73 ± 2.26a

121.00 ± 39.15bc

34.53 ± 6.59ab

69.50 ± 2.12d

32.99 ± 9.53a

  1. M1, No soil conditioner; M2, Biomass ash; M3, Water retention agent; M4, Biochar; M5, lime powder; M6, Malic acid; TN, Total nitrogen; TP, Total phosphorus; TK, Total potassium; AHN, Alkali-hydrolyzable nitrogen; AP, Soil-available phosphorus; AK, Soil-available potassium; SOM, Soil organic matter. Data are shown as mean with standard deviation. Different letters within a column indicate significant differences at p < 0.05.