Role of soil nutrient elements transport on Camellia oleifera yield under different soil types

Chen, Yu; Zheng, Jinjia; Yang, Zhijian; Xu, Chenhao; Liao, Penghui; Pu, Shaosheng; El-Kassaby, Yousry A.; Feng, Jinling

doi:10.1186/s12870-023-04352-2

BMC Plant Biology

Table 1 Physical and chemical properties of C. oleifera three forest soil types

From: Role of soil nutrient elements transport on Camellia oleifera yield under different soil types

Indicators	0 ~ 20 cm			20 ~ 40 cm
Indicators	Yellow-red soil	Purple soil	Red soil	Yellow-red soil	Purple soil	Red soil
Soil bulk density (g·cm^− 3)	1.03 ± 0.07b	1.03 ± 0.07b	1.24 ± 0.03a	1.33 ± 0.10b	1.26 ± 0.02b	1.45 ± 0.07a
Total soil porosity %	0.48 ± 0.01b	0.44 ± 0.01c	0.50 ± 0.02a	0.45 ± 0.01b	0.40 ± 0.01c	0.48 ± 0.01a
Capillary porosity %	0.34 ± 0.04c	0.40 ± 0.01b	0.45 ± 0.02a	0.41 ± 0.02b	0.37 ± 0.01c	0.46 ± 0.01a
Non-capillary porosity %	0.14 ± 0.03a	0.03 ± 0.01b	0.05 ± 0.00b	0.04 ± 0.01a	0.03 ± 0.00b	0.02 ± 0.01c
Soil moisture content %	0.17 ± 0.01b	0.11 ± 0.02c	0.26 ± 0.02a	0.20 ± 0.01b	0.13 ± 0.03c	0.30 ± 0.01a
Soil moisture holding capacity %	0.36 ± 0.01b	0.34 ± 0.01c	0.41 ± 0.01a	0.32 ± 0.01c	0.37 ± 0.01b	0.47 ± 0.02a
Soil saturated water content %	0.49 ± 0.02a	0.33 ± 0.02c	0.44 ± 0.01b	0.37 ± 0.03b	0.36 ± 0.03b	0.47 ± 0.01a
Soil pH	4.73 ± 0.09b	5.59 ± 0.28a	4.64 ± 0.04b	4.88 ± 0.07b	6.76 ± 0.23a	4.67 ± 0.04c
Total C content (g·Kg^− 1)	21.31 ± 2.18a	1.86 ± 0.16b	2.73 ± 0.38b	6.68 ± 1.21a	1.51 ± 0.19c	2.56 ± 0.25b
Total N content (g·Kg^− 1)	1.09 ± 0.13a	0.15 ± 0.04c	0.44 ± 0.06b	0.64 ± 0.07a	0.23 ± 0.02c	0.32 ± 0.06b
Total P content (g·Kg^− 1)	0.35 ± 0.02b	0.24 ± 0.03c	0.48 ± 0.05a	0.61 ± 0.08a	0.18 ± 0.02c	0.55 ± 0.06b
Total K content (g·Kg^− 1)	17.36 ± 0.86a	14.79 ± 0.92b	11.47 ± 1.57c	22.80 ± 3.14a	18.09 ± 0.92b	12.38 ± 1.35c
Total Mg content (g·Kg^− 1)	4.52 ± 0.36b	3.90 ± 0.43b	7.35 ± 0.95a	5.17 ± 0.61b	4.01 ± 0.63c	7.83 ± 1.71a
Total Ca content (g·Kg^− 1)	4.50 ± 0.24a	3.18 ± 0.26c	3.86 ± 0.38b	5.02 ± 0.53a	3.45 ± 0.26c	4.32 ± 0.41b
Total Al content (g·Kg^− 1)	457.61 ± 39.76a	260.40 ± 39.34c	360.78 ± 31.54b	543.15 ± 20.90a	236.47 ± 30.12c	480.07 ± 52.08b
Total Mn content (g·Kg^− 1)	0.45 ± 0.03c	1.64 ± 0.19a	1.03 ± 0.06b	0.37 ± 0.02c	2.28 ± 0.29a	0.61 ± 0.05b
Total Fe content (g·Kg^− 1)	90.12 ± 4.15c	110.82 ± 7.40b	191.42 ± 16.13a	109.41 ± 7.58b	110.17 ± 9.63b	200.17 ± 14.27a
Total Cu content (mg·kg^− 1)	0.54 ± 0.02a	0.44 ± 0.03b	0.34 ± 0.02c	0.60 ± 0.02a	0.47 ± 0.03b	0.38 ± 0.02c
Total Zn content (mg·kg^− 1)	0.12 ± 0.02b	0.16 ± 0.01a	0.09 ± 0.01c	0.13 ± 0.01b	0.18 ± 0.01a	0.10 ± 0.01c

Means within the same line with different letters indicate significant differences (P < 0.05). Soil total N content less than 0.75 g·Kg^− 1 was at the very low level, and between 0.75 and 1.00 g·Kg^− 1 was at the low level; soil total P content less than 0.90 g·Kg^− 1 was at the very low level; soil total K content with 9.00 ~ 12.00 g·Kg^− 1 was at a low level, 12.00 ~ 18.00 g·Kg^− 1 was at a medium level, and 18.00 ~ 25.00 g·Kg^− 1 was at a high level [20]. Average soil total Mg content in southern China was 5 g·Kg^− 1 [21]. Average soil total Ca content was 36.4 g·Kg^− 1 [22]; average soil total Mn content was 0.40 g·Kg^− 1; average soil total Al content was 68.90 g·Kg^− 1; average soil total Fe content was 50 g·Kg^− 1 [18]. Average soil total Cu content in soil was 0.40 g·Kg^− 1 [23]. Average of soil total Zn content was 0.05 g·Kg^− 1 [24]

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ISSN: 1471-2229

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