Journal of Zhejiang Agricultural Sciences ›› 2025, Vol. 66 ›› Issue (6): 1398-1403.DOI: 10.16178/j.issn.0528-9017.20240774
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SHAO Xinghua(), CHEN Kai, CAI Jianbin, LIU Yanan
Received:
2024-10-08
Online:
2025-06-11
Published:
2025-06-23
CLC Number:
SHAO Xinghua, CHEN Kai, CAI Jianbin, LIU Yanan. Situation and quality evaluation of soil nutrients of Majia pomelo main producing area in Jiangxi Province[J]. Journal of Zhejiang Agricultural Sciences, 2025, 66(6): 1398-1403.
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URL: http://www.zjnykx.cn/EN/10.16178/j.issn.0528-9017.20240774
等级 | 有机质含量/ (g·kg-1) | 速效氮含量/ (mg·kg-1) | 速效钾含量/ (mg·kg-1) | 速效磷含量/ (mg·kg-1) | 阳离子交换量/ (cmol·kg-1) | pH值 |
---|---|---|---|---|---|---|
极丰富/强酸性 | >40 | >150 | >200 | >40 | >20 | ≤4.5 |
丰富/酸性 | >30~40 | >120~150 | >150~200 | >20~40 | >15.4~20.0 | >4.5~5.5 |
中等/弱酸性 | >20~30 | >90~120 | >100~150 | >10~20 | >10.5~15.4 | >5.5~6.5 |
较缺乏/中性 | >10~20 | >60~90 | >50~100 | >5~10 | >6.2~10.5 | >6.5~7.5 |
缺乏/弱碱性 | ≤10 | ≤60 | ≤50 | ≤5 | ≤6.2 | >7.5~8.5 |
Table 1 Classification standard of soil nutrient status
等级 | 有机质含量/ (g·kg-1) | 速效氮含量/ (mg·kg-1) | 速效钾含量/ (mg·kg-1) | 速效磷含量/ (mg·kg-1) | 阳离子交换量/ (cmol·kg-1) | pH值 |
---|---|---|---|---|---|---|
极丰富/强酸性 | >40 | >150 | >200 | >40 | >20 | ≤4.5 |
丰富/酸性 | >30~40 | >120~150 | >150~200 | >20~40 | >15.4~20.0 | >4.5~5.5 |
中等/弱酸性 | >20~30 | >90~120 | >100~150 | >10~20 | >10.5~15.4 | >5.5~6.5 |
较缺乏/中性 | >10~20 | >60~90 | >50~100 | >5~10 | >6.2~10.5 | >6.5~7.5 |
缺乏/弱碱性 | ≤10 | ≤60 | ≤50 | ≤5 | ≤6.2 | >7.5~8.5 |
转折点 | pH值 | 阳离子交换量/ (cmol·kg-1) | 有机质含量/ (g·kg-1) | 碱解氮含量/ (mg·kg-1) | 速效磷含量/ (mg·kg-1) | 速效钾含量/ (mg·kg-1) |
---|---|---|---|---|---|---|
x1 | 4.5 | 6 | 6 | 30 | 3 | 30 |
x2 | 5.5 | 20 | 40 | 150 | 40 | 200 |
x3 | 6.5 | — | — | — | — | — |
x4 | 7.5 | — | — | — | — | — |
Table 2 Value of inflection point of membership function curve
转折点 | pH值 | 阳离子交换量/ (cmol·kg-1) | 有机质含量/ (g·kg-1) | 碱解氮含量/ (mg·kg-1) | 速效磷含量/ (mg·kg-1) | 速效钾含量/ (mg·kg-1) |
---|---|---|---|---|---|---|
x1 | 4.5 | 6 | 6 | 30 | 3 | 30 |
x2 | 5.5 | 20 | 40 | 150 | 40 | 200 |
x3 | 6.5 | — | — | — | — | — |
x4 | 7.5 | — | — | — | — | — |
乡镇 | pH值 | 阳离子交换量(CEC)/ (cmol·kg-1) | 有机质含量/ (g·kg-1) | 速效氮含量/ (mg·kg-1) | 速效磷含量/ (mg·kg-1) | 速效钾含量/ (mg·kg-1) | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
HF1 | 5.30±0.1 b | 6.5±0.8 e | 8.1±4.6 e | 7.06±3.3 cd | 32.5±27.2 cd | 111.1±41.3 e | ||||||
HF2 | 5.76±0.7 a | 9.7±1.1 d | 11.8±2.7 d | 4.67±1.1 cd | 63.7±17.2 ab | 266.7±41.3 bc | ||||||
YK1 | 5.86±0.1 a | 24.6±0.8 a | 23.2±1.1 b | 7.46±2.8 cd | 37.6±0.8 cd | 369.6±86.2 ab | ||||||
YK2 | 5.70±0.17 a | 11.8±1.1 bcd | 58.2±1.8 a | 11.89±1.8 ab | 48.7±1.7 abcd | 317.6±13.7 abc | ||||||
YK3 | 5.68±0.25 a | 21.8±0.2 a | 16.4±2.2 c | 16.56±6.4 a | 94.8±5.8 a | 401.1±282.5 a | ||||||
DN1 | 5.80±0.01 a | 13.7±0.8 bc | 10.8±1.1 de | 2.10±1.9 d | 45.9±1.9 abcd | 218.5±14.2 cde | ||||||
DN2 | 5.53±0.12 ab | 14.1±0.2 b | 16.1±0.5 c | 8.39±1.8 b | 107.5±3.9 a | 213.6±31.6 cde | ||||||
PS1 | 5.04±0.14 c | 10.8±4.1 cd | 18.2±8.2 c | 8.35±4.7 bc | 45.6±45.6 cd | 151.2±38.8 de | ||||||
PS2 | 5.63±0.14 a | 10.6±1.3 cd | 9.6±1.9 de | 3.62±0.3 d | 86.2±2.7 ab | 156.1±31.3 de | ||||||
PS3 | 4.80±0.08 c | 14.9±0.1 b | 20.1±9.8 bc | 7.77±4.3 bc | 17.5±5.0 d | 118.6±25.6 e | ||||||
区间 | 4.51~6.78 | 5.5~25.6 | 6.5~45.9 | 0.7~24.5 | 3.8~155.6 | 49.9~911.5 | ||||||
平均值 | 5.46 | 11.66 | 22.64 | 7.80 | 52.60 | 190.38 | ||||||
标准差 | 0.52 | 5.49 | 9.50 | 4.91 | 44.80 | 121.82 | ||||||
变异系数/% | 9.5 | 47.0 | 41.9 | 62.9 | 85.2 | 73.9 | ||||||
级别 | 酸性 | 中等 | 中等 | 缺乏 | 极丰富 | 丰富 |
Table 3 Physical and chemical properties of different Majia pomelo orchards
乡镇 | pH值 | 阳离子交换量(CEC)/ (cmol·kg-1) | 有机质含量/ (g·kg-1) | 速效氮含量/ (mg·kg-1) | 速效磷含量/ (mg·kg-1) | 速效钾含量/ (mg·kg-1) | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
HF1 | 5.30±0.1 b | 6.5±0.8 e | 8.1±4.6 e | 7.06±3.3 cd | 32.5±27.2 cd | 111.1±41.3 e | ||||||
HF2 | 5.76±0.7 a | 9.7±1.1 d | 11.8±2.7 d | 4.67±1.1 cd | 63.7±17.2 ab | 266.7±41.3 bc | ||||||
YK1 | 5.86±0.1 a | 24.6±0.8 a | 23.2±1.1 b | 7.46±2.8 cd | 37.6±0.8 cd | 369.6±86.2 ab | ||||||
YK2 | 5.70±0.17 a | 11.8±1.1 bcd | 58.2±1.8 a | 11.89±1.8 ab | 48.7±1.7 abcd | 317.6±13.7 abc | ||||||
YK3 | 5.68±0.25 a | 21.8±0.2 a | 16.4±2.2 c | 16.56±6.4 a | 94.8±5.8 a | 401.1±282.5 a | ||||||
DN1 | 5.80±0.01 a | 13.7±0.8 bc | 10.8±1.1 de | 2.10±1.9 d | 45.9±1.9 abcd | 218.5±14.2 cde | ||||||
DN2 | 5.53±0.12 ab | 14.1±0.2 b | 16.1±0.5 c | 8.39±1.8 b | 107.5±3.9 a | 213.6±31.6 cde | ||||||
PS1 | 5.04±0.14 c | 10.8±4.1 cd | 18.2±8.2 c | 8.35±4.7 bc | 45.6±45.6 cd | 151.2±38.8 de | ||||||
PS2 | 5.63±0.14 a | 10.6±1.3 cd | 9.6±1.9 de | 3.62±0.3 d | 86.2±2.7 ab | 156.1±31.3 de | ||||||
PS3 | 4.80±0.08 c | 14.9±0.1 b | 20.1±9.8 bc | 7.77±4.3 bc | 17.5±5.0 d | 118.6±25.6 e | ||||||
区间 | 4.51~6.78 | 5.5~25.6 | 6.5~45.9 | 0.7~24.5 | 3.8~155.6 | 49.9~911.5 | ||||||
平均值 | 5.46 | 11.66 | 22.64 | 7.80 | 52.60 | 190.38 | ||||||
标准差 | 0.52 | 5.49 | 9.50 | 4.91 | 44.80 | 121.82 | ||||||
变异系数/% | 9.5 | 47.0 | 41.9 | 62.9 | 85.2 | 73.9 | ||||||
级别 | 酸性 | 中等 | 中等 | 缺乏 | 极丰富 | 丰富 |
指标 | 主成分 | 公因子方差 | 权重/% | |
---|---|---|---|---|
1 | 2 | |||
特征值 | 2.351 | 1.380 | — | — |
贡献率/% | 39.190 | 25.990 | — | — |
累计贡献率/% | 39.190 | 65.180 | — | — |
因子载荷 | — | — | — | — |
阳离子交换量 | 0.451 7 | -0.381 5 | 0.143 6 | 8.67 |
速效磷含量 | 0.338 0 | 0.414 3 | 0.366 2 | 22.11 |
pH值 | 0.473 1 | -0.188 8 | 0.228 4 | 13.79 |
速效钾含量 | 0.431 6 | -0.382 1 | 0.130 7 | 7.89 |
速效氮含量 | 0.242 0 | 0.650 2 | 0.392 9 | 23.72 |
有机质含量 | 0.461 5 | 0.280 0 | 0.394 4 | 23.81 |
Table 4 Results of principal component analysis of soil fertility indicators
指标 | 主成分 | 公因子方差 | 权重/% | |
---|---|---|---|---|
1 | 2 | |||
特征值 | 2.351 | 1.380 | — | — |
贡献率/% | 39.190 | 25.990 | — | — |
累计贡献率/% | 39.190 | 65.180 | — | — |
因子载荷 | — | — | — | — |
阳离子交换量 | 0.451 7 | -0.381 5 | 0.143 6 | 8.67 |
速效磷含量 | 0.338 0 | 0.414 3 | 0.366 2 | 22.11 |
pH值 | 0.473 1 | -0.188 8 | 0.228 4 | 13.79 |
速效钾含量 | 0.431 6 | -0.382 1 | 0.130 7 | 7.89 |
速效氮含量 | 0.242 0 | 0.650 2 | 0.392 9 | 23.72 |
有机质含量 | 0.461 5 | 0.280 0 | 0.394 4 | 23.81 |
乡镇 | IFI | 肥力等级 | 排序 |
---|---|---|---|
HF1 | 0.38 | Ⅳ | 9 |
HF2 | 0.36 | Ⅳ | 10 |
YK1 | 0.59 | Ⅲ | 4 |
YK2 | 0.72 | Ⅱ | 2 |
YK3 | 0.75 | Ⅱ | 1 |
DN1 | 0.56 | Ⅲ | 5 |
DN2 | 0.64 | Ⅱ | 3 |
PS1 | 0.49 | Ⅲ | 6 |
PS2 | 0.39 | Ⅳ | 8 |
PS3 | 0.42 | Ⅲ | 7 |
Table 5 Comprehensive index and evaluation grade of soil fertility
乡镇 | IFI | 肥力等级 | 排序 |
---|---|---|---|
HF1 | 0.38 | Ⅳ | 9 |
HF2 | 0.36 | Ⅳ | 10 |
YK1 | 0.59 | Ⅲ | 4 |
YK2 | 0.72 | Ⅱ | 2 |
YK3 | 0.75 | Ⅱ | 1 |
DN1 | 0.56 | Ⅲ | 5 |
DN2 | 0.64 | Ⅱ | 3 |
PS1 | 0.49 | Ⅲ | 6 |
PS2 | 0.39 | Ⅳ | 8 |
PS3 | 0.42 | Ⅲ | 7 |
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