Chinese Agricultural Science Bulletin ›› 2021, Vol. 37 ›› Issue (23): 61-68.doi: 10.11924/j.issn.1000-6850.casb2020-0853
Special Issue: 资源与环境
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Received:
2020-12-30
Revised:
2021-03-08
Online:
2021-08-15
Published:
2021-08-26
CLC Number:
Duan Youchun. Spatial Variability Characteristics and Influencing Factors of Soil Nutrients in Farmland in Typical Hilly and Plain Area of Southeast Shandong[J]. Chinese Agricultural Science Bulletin, 2021, 37(23): 61-68.
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URL: https://www.casb.org.cn/EN/10.11924/j.issn.1000-6850.casb2020-0853
养分指标 | 最小值 | 最大值 | 平均值 | 标准差 | 变异系数 | 偏度 | 峰度 | K-S检验 |
---|---|---|---|---|---|---|---|---|
SOM/(g/kg) | 3.96 | 45.80 | 13.52 | 5.72 | 42.26 | 1.998 (-0.006) | 7.386 (1.019) | 0.200 |
TN/(g/kg) | 0.12 | 2.34 | 0.75 | 0.32 | 42.41 | 1.365 (-0.363) | 3.259 (1.703) | 0.200 |
AN/(mg/kg) | 8.36 | 334.32 | 87.27 | 59.06 | 67.67 | 1.676 (-0.053) | 2.930 (0.378) | 0.200 |
AP/(mg/kg) | 4.74 | 253.80 | 50.55 | 41.06 | 81.22 | 2.213 (-0.254) | 6.289 (0.154) | 0.200 |
AK/(mg/kg) | 30.82 | 407.70 | 103.20 | 54.34 | 52.66 | 1.937 (0.441) | 5.654 (0.017) | 0.210 |
养分指标 | 最小值 | 最大值 | 平均值 | 标准差 | 变异系数 | 偏度 | 峰度 | K-S检验 |
---|---|---|---|---|---|---|---|---|
SOM/(g/kg) | 3.96 | 45.80 | 13.52 | 5.72 | 42.26 | 1.998 (-0.006) | 7.386 (1.019) | 0.200 |
TN/(g/kg) | 0.12 | 2.34 | 0.75 | 0.32 | 42.41 | 1.365 (-0.363) | 3.259 (1.703) | 0.200 |
AN/(mg/kg) | 8.36 | 334.32 | 87.27 | 59.06 | 67.67 | 1.676 (-0.053) | 2.930 (0.378) | 0.200 |
AP/(mg/kg) | 4.74 | 253.80 | 50.55 | 41.06 | 81.22 | 2.213 (-0.254) | 6.289 (0.154) | 0.200 |
AK/(mg/kg) | 30.82 | 407.70 | 103.20 | 54.34 | 52.66 | 1.937 (0.441) | 5.654 (0.017) | 0.210 |
养分指标 | 很丰 | 丰 | 适中 | 稍缺 | 缺 | |||||
---|---|---|---|---|---|---|---|---|---|---|
含量 | 比例/% | 含量 | 比例/% | 含量 | 比例/% | 含量 | 比例/% | 含量 | 比例/% | |
SOM/(g/kg) | >40 | 1 | 30~40 | 1.5 | 20~30 | 6 | 10~20 | 66.5 | ≤10 | 25 |
TN/(g/kg) | >2 | 0.5 | 1.5~2 | 2.5 | 1~1.5 | 16 | 0.75~1 | 22.5 | ≤0.75 | 58.5 |
AN/(mg/kg) | >150 | 11.5 | 120~150 | 8 | 90~120 | 14.5 | 60~90 | 26.5 | ≤60 | 39.5 |
AP/(mg/kg) | >40 | 50.5 | 20~40 | 30 | 10~20 | 13.5 | 5~10 | 5 | ≤5 | 1 |
AK/(mg/kg) | >200 | 7 | 150~200 | 7 | 100~150 | 25 | 50~100 | 54.5 | ≤50 | 6.5 |
养分指标 | 很丰 | 丰 | 适中 | 稍缺 | 缺 | |||||
---|---|---|---|---|---|---|---|---|---|---|
含量 | 比例/% | 含量 | 比例/% | 含量 | 比例/% | 含量 | 比例/% | 含量 | 比例/% | |
SOM/(g/kg) | >40 | 1 | 30~40 | 1.5 | 20~30 | 6 | 10~20 | 66.5 | ≤10 | 25 |
TN/(g/kg) | >2 | 0.5 | 1.5~2 | 2.5 | 1~1.5 | 16 | 0.75~1 | 22.5 | ≤0.75 | 58.5 |
AN/(mg/kg) | >150 | 11.5 | 120~150 | 8 | 90~120 | 14.5 | 60~90 | 26.5 | ≤60 | 39.5 |
AP/(mg/kg) | >40 | 50.5 | 20~40 | 30 | 10~20 | 13.5 | 5~10 | 5 | ≤5 | 1 |
AK/(mg/kg) | >200 | 7 | 150~200 | 7 | 100~150 | 25 | 50~100 | 54.5 | ≤50 | 6.5 |
指标 | 块金值(Co) | 基台值(Co+C) | 块基比/% | 变程/m | 决定系数(R2) | 残差(RSS) | 最优模型 |
---|---|---|---|---|---|---|---|
SOM | 0.0012 | 0.0256 | 4.53 | 3960 | 0.424 | 1.052×10-4 | 指数 |
TN | 0.0025 | 0.0314 | 8.02 | 2520 | 0.455 | 4.907×10-5 | 指数 |
AN | 0.0028 | 0.0727 | 3.85 | 1200 | 0.234 | 2.001×10-4 | 指数 |
AP | 0.0034 | 0.1028 | 3.31 | 990 | 0.208 | 5.508×10-4 | 指数 |
AK | 0.0030 | 0.0381 | 7.87 | 1980 | 0.258 | 8.499×10-5 | 指数 |
指标 | 块金值(Co) | 基台值(Co+C) | 块基比/% | 变程/m | 决定系数(R2) | 残差(RSS) | 最优模型 |
---|---|---|---|---|---|---|---|
SOM | 0.0012 | 0.0256 | 4.53 | 3960 | 0.424 | 1.052×10-4 | 指数 |
TN | 0.0025 | 0.0314 | 8.02 | 2520 | 0.455 | 4.907×10-5 | 指数 |
AN | 0.0028 | 0.0727 | 3.85 | 1200 | 0.234 | 2.001×10-4 | 指数 |
AP | 0.0034 | 0.1028 | 3.31 | 990 | 0.208 | 5.508×10-4 | 指数 |
AK | 0.0030 | 0.0381 | 7.87 | 1980 | 0.258 | 8.499×10-5 | 指数 |
指标 | 平均值 | 均方根 | 标准平均值 | 标准均方根 | 平均标准误差 |
---|---|---|---|---|---|
SOM | -0.00493 | 0.16627 | -0.01917 | 1.15844 | 0.14553 |
TN | -0.00182 | 0.17916 | -0.00769 | 1.02439 | 0.17615 |
AN | -0.00106 | 0.28095 | -0.00343 | 0.99534 | 0.28363 |
AP | -0.00253 | 0.34240 | -0.00924 | 1.01208 | 0.33921 |
AK | 0.00228 | 0.20013 | 0.00897 | 1.01775 | 0.19928 |
指标 | 平均值 | 均方根 | 标准平均值 | 标准均方根 | 平均标准误差 |
---|---|---|---|---|---|
SOM | -0.00493 | 0.16627 | -0.01917 | 1.15844 | 0.14553 |
TN | -0.00182 | 0.17916 | -0.00769 | 1.02439 | 0.17615 |
AN | -0.00106 | 0.28095 | -0.00343 | 0.99534 | 0.28363 |
AP | -0.00253 | 0.34240 | -0.00924 | 1.01208 | 0.33921 |
AK | 0.00228 | 0.20013 | 0.00897 | 1.01775 | 0.19928 |
指标 | 方差齐协性 | 组间方差和 | 组内方差和 | F值 | Sig. |
---|---|---|---|---|---|
SOM | 0.275 | 693.30 | 5808.45 | 7.798 | 0.000 |
TN | 0.019 | 0.150 | 19.98 | 0.490 | 0.689 |
AN | 0.005 | 30524.80 | 663535.81 | 3.006 | 0.032 |
AP | 0.399 | 7298.79 | 328216.33 | 1.45 | 1.453 |
AK | 0.509 | 60862.89 | 526828.85 | 7.548 | 0.000 |
指标 | 方差齐协性 | 组间方差和 | 组内方差和 | F值 | Sig. |
---|---|---|---|---|---|
SOM | 0.275 | 693.30 | 5808.45 | 7.798 | 0.000 |
TN | 0.019 | 0.150 | 19.98 | 0.490 | 0.689 |
AN | 0.005 | 30524.80 | 663535.81 | 3.006 | 0.032 |
AP | 0.399 | 7298.79 | 328216.33 | 1.45 | 1.453 |
AK | 0.509 | 60862.89 | 526828.85 | 7.548 | 0.000 |
土壤类型 | 样本数 | SOM | TN | AN | AP | AK |
---|---|---|---|---|---|---|
白浆化棕壤 | 21 | 14.91±8.22 | 0.78±0.43 | 79.92±46.49 | 43.30±31.69 | 111.90±64.64 |
潮棕壤 | 31 | 14.70±7.60 | 0.70±0.45 | 89.46±74.41 | 51.62±45.39 | 103.78±54.46 |
酸性粗骨土 | 37 | 14.41±10.16 | 0.68±0.53 | 78.84±70.48 | 35.69±30.96 | 92.55±54.32 |
淹育水稻土 | 8 | 20.93±6.66a | 0.86±0.49 | 56.16±47.85a | 61.48±31.39 | 137.37±72.36 |
棕壤 | 38 | 12.26±8.30 | 0.73±0.61 | 95.06±73.33 | 70.15±63.08 | 115.09±70.53 |
棕壤性土 | 65 | 11.84±5.01 | 0.80±0.58 | 85.69±58.94 | 48.04±39.28 | 95±64.18 |
土壤类型 | 样本数 | SOM | TN | AN | AP | AK |
---|---|---|---|---|---|---|
白浆化棕壤 | 21 | 14.91±8.22 | 0.78±0.43 | 79.92±46.49 | 43.30±31.69 | 111.90±64.64 |
潮棕壤 | 31 | 14.70±7.60 | 0.70±0.45 | 89.46±74.41 | 51.62±45.39 | 103.78±54.46 |
酸性粗骨土 | 37 | 14.41±10.16 | 0.68±0.53 | 78.84±70.48 | 35.69±30.96 | 92.55±54.32 |
淹育水稻土 | 8 | 20.93±6.66a | 0.86±0.49 | 56.16±47.85a | 61.48±31.39 | 137.37±72.36 |
棕壤 | 38 | 12.26±8.30 | 0.73±0.61 | 95.06±73.33 | 70.15±63.08 | 115.09±70.53 |
棕壤性土 | 65 | 11.84±5.01 | 0.80±0.58 | 85.69±58.94 | 48.04±39.28 | 95±64.18 |
土地利用类型 | 样本数 | SOM | TN | AN | AP | AK |
---|---|---|---|---|---|---|
水浇地 | 61 | 13.96±10.00 | 0.81±0.69 | 90.70±79.00 | 49.26±44.01 | 105.69±66.04 |
旱地 | 83 | 14.30±10.06 | 0.72±0.56 | 84.95±68.23 | 53.62±48.85 | 108.04±77.22 |
园地 | 41 | 11.86±7.26 | 0.73±0.51 | 83.29±74.94 | 42.96±37.90 | 92.43±58.04 |
林地 | 15 | 12.01±4.91 | 0.74±0.38 | 97.06±71.99 | 60.43±51.37 | 95.65±39.51 |
土地利用类型 | 样本数 | SOM | TN | AN | AP | AK |
---|---|---|---|---|---|---|
水浇地 | 61 | 13.96±10.00 | 0.81±0.69 | 90.70±79.00 | 49.26±44.01 | 105.69±66.04 |
旱地 | 83 | 14.30±10.06 | 0.72±0.56 | 84.95±68.23 | 53.62±48.85 | 108.04±77.22 |
园地 | 41 | 11.86±7.26 | 0.73±0.51 | 83.29±74.94 | 42.96±37.90 | 92.43±58.04 |
林地 | 15 | 12.01±4.91 | 0.74±0.38 | 97.06±71.99 | 60.43±51.37 | 95.65±39.51 |
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