Chinese Agricultural Science Bulletin ›› 2021, Vol. 37 ›› Issue (22): 84-89.doi: 10.11924/j.issn.1000-6850.casb2020-0636
Special Issue: 农业气象
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Received:
2020-11-06
Revised:
2021-12-10
Online:
2021-08-05
Published:
2021-08-26
CLC Number:
Yang Shuang. Current Situation and Distribution Characteristics of Soil Nutrients in Cultivated Land of Motuo County[J]. Chinese Agricultural Science Bulletin, 2021, 37(22): 84-89.
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URL: https://www.casb.org.cn/EN/10.11924/j.issn.1000-6850.casb2020-0636
养分分级 | 丰缺度 | 有机质/(g/kg) | 碱解氮/(mg/kg) | 速效磷/(mg/kg) | 速效钾/(mg/kg) |
---|---|---|---|---|---|
1 | 丰 | >40 | >150 | >40 | >200 |
2 | 稍丰 | 30~40 | 120~150 | 20~40 | 150~200 |
3 | 中等 | 20~30 | 90~120 | 10~20 | 100~150 |
4 | 稍缺 | 10~20 | 60~90 | 5~10 | 50~100 |
5 | 缺 | 6~10 | 30~60 | 3~5 | 30~50 |
6 | 极缺 | <6 | <30 | <3 | <30 |
养分分级 | 丰缺度 | 有机质/(g/kg) | 碱解氮/(mg/kg) | 速效磷/(mg/kg) | 速效钾/(mg/kg) |
---|---|---|---|---|---|
1 | 丰 | >40 | >150 | >40 | >200 |
2 | 稍丰 | 30~40 | 120~150 | 20~40 | 150~200 |
3 | 中等 | 20~30 | 90~120 | 10~20 | 100~150 |
4 | 稍缺 | 10~20 | 60~90 | 5~10 | 50~100 |
5 | 缺 | 6~10 | 30~60 | 3~5 | 30~50 |
6 | 极缺 | <6 | <30 | <3 | <30 |
测定项目 | 区域 | 样本个数 | 最大值 | 最小值 | 平均数 | 标准差 | 变异系数/% | |||
---|---|---|---|---|---|---|---|---|---|---|
有机质/(g/kg) | 墨脱全县 | 272 | 189.59 | 2.98 | 89.18 | 34.85 | 39.07 | |||
格档乡 | 31 | 82.25 | 16.42 | 57.29 | 18.00 | 31.42 | ||||
墨脱乡 | 61 | 136.57 | 43.90 | 112.14 | 13.90 | 12.40 | ||||
帮辛乡 | 54 | 133.76 | 69.77 | 106.05 | 14.61 | 13.78 | ||||
达木乡 | 47 | 189.59 | 2.98 | 51.52 | 33.92 | 65.84 | ||||
德兴乡 | 56 | 143.78 | 36.33 | 84.05 | 32.83 | 39.06 | ||||
背崩乡 | 23 | 164.50 | 59.89 | 121.09 | 22.72 | 18.77 | ||||
碱解氮/(mg/kg) | 墨脱全县 | 272 | 498.00 | 18.42 | 201.25 | 90.82 | 45.13 | |||
格档乡 | 31 | 350.66 | 29.20 | 206.53 | 82.99 | 40.18 | ||||
墨脱乡 | 61 | 440.95 | 80.77 | 191.73 | 79.22 | 41.32 | ||||
帮辛乡 | 54 | 327.55 | 18.42 | 141.78 | 46.65 | 32.90 | ||||
达木乡 | 47 | 374.24 | 68.67 | 172.07 | 63.32 | 36.80 | ||||
德兴乡 | 56 | 498.00 | 95.32 | 277.45 | 103.17 | 37.19 | ||||
背崩乡 | 23 | 459.23 | 97.76 | 233.06 | 83.20 | 35.70 | ||||
速效磷/(mg/kg) | 墨脱全县 | 272 | 135.74 | 0.31 | 11.23 | 16.29 | 145.09 | |||
格档乡 | 31 | 34.81 | 1.89 | 6.43 | 8.52 | 132.48 | ||||
墨脱乡 | 61 | 39.06 | 1.27 | 12.14 | 10.40 | 85.66 | ||||
帮辛乡 | 54 | 53.13 | 0.31 | 9.61 | 15.35 | 159.72 | ||||
达木乡 | 47 | 50.90 | 3.00 | 15.34 | 12.71 | 82.82 | ||||
德兴乡 | 56 | 23.51 | 1.94 | 3.51 | 4.44 | 126.28 | ||||
背崩乡 | 23 | 135.74 | 5.58 | 29.45 | 35.67 | 121.12 | ||||
速效钾/(mg/kg) | 墨脱全县 | 272 | 1954.97 | 14.89 | 313.17 | 369.28 | 117.92 | |||
格档乡 | 31 | 194.81 | 33.63 | 106.08 | 55.20 | 52.04 | ||||
墨脱乡 | 61 | 1378.35 | 14.89 | 233.45 | 189.20 | 81.05 | ||||
帮辛乡 | 54 | 1890.57 | 17.58 | 379.80 | 366.32 | 96.45 | ||||
达木乡 | 47 | 548.89 | 30.99 | 114.65 | 117.88 | 102.82 | ||||
德兴乡 | 56 | 1954.97 | 49.48 | 690.72 | 505.06 | 73.12 | ||||
背崩乡 | 23 | 316.10 | 29.52 | 133.69 | 65.15 | 48.73 |
测定项目 | 区域 | 样本个数 | 最大值 | 最小值 | 平均数 | 标准差 | 变异系数/% | |||
---|---|---|---|---|---|---|---|---|---|---|
有机质/(g/kg) | 墨脱全县 | 272 | 189.59 | 2.98 | 89.18 | 34.85 | 39.07 | |||
格档乡 | 31 | 82.25 | 16.42 | 57.29 | 18.00 | 31.42 | ||||
墨脱乡 | 61 | 136.57 | 43.90 | 112.14 | 13.90 | 12.40 | ||||
帮辛乡 | 54 | 133.76 | 69.77 | 106.05 | 14.61 | 13.78 | ||||
达木乡 | 47 | 189.59 | 2.98 | 51.52 | 33.92 | 65.84 | ||||
德兴乡 | 56 | 143.78 | 36.33 | 84.05 | 32.83 | 39.06 | ||||
背崩乡 | 23 | 164.50 | 59.89 | 121.09 | 22.72 | 18.77 | ||||
碱解氮/(mg/kg) | 墨脱全县 | 272 | 498.00 | 18.42 | 201.25 | 90.82 | 45.13 | |||
格档乡 | 31 | 350.66 | 29.20 | 206.53 | 82.99 | 40.18 | ||||
墨脱乡 | 61 | 440.95 | 80.77 | 191.73 | 79.22 | 41.32 | ||||
帮辛乡 | 54 | 327.55 | 18.42 | 141.78 | 46.65 | 32.90 | ||||
达木乡 | 47 | 374.24 | 68.67 | 172.07 | 63.32 | 36.80 | ||||
德兴乡 | 56 | 498.00 | 95.32 | 277.45 | 103.17 | 37.19 | ||||
背崩乡 | 23 | 459.23 | 97.76 | 233.06 | 83.20 | 35.70 | ||||
速效磷/(mg/kg) | 墨脱全县 | 272 | 135.74 | 0.31 | 11.23 | 16.29 | 145.09 | |||
格档乡 | 31 | 34.81 | 1.89 | 6.43 | 8.52 | 132.48 | ||||
墨脱乡 | 61 | 39.06 | 1.27 | 12.14 | 10.40 | 85.66 | ||||
帮辛乡 | 54 | 53.13 | 0.31 | 9.61 | 15.35 | 159.72 | ||||
达木乡 | 47 | 50.90 | 3.00 | 15.34 | 12.71 | 82.82 | ||||
德兴乡 | 56 | 23.51 | 1.94 | 3.51 | 4.44 | 126.28 | ||||
背崩乡 | 23 | 135.74 | 5.58 | 29.45 | 35.67 | 121.12 | ||||
速效钾/(mg/kg) | 墨脱全县 | 272 | 1954.97 | 14.89 | 313.17 | 369.28 | 117.92 | |||
格档乡 | 31 | 194.81 | 33.63 | 106.08 | 55.20 | 52.04 | ||||
墨脱乡 | 61 | 1378.35 | 14.89 | 233.45 | 189.20 | 81.05 | ||||
帮辛乡 | 54 | 1890.57 | 17.58 | 379.80 | 366.32 | 96.45 | ||||
达木乡 | 47 | 548.89 | 30.99 | 114.65 | 117.88 | 102.82 | ||||
德兴乡 | 56 | 1954.97 | 49.48 | 690.72 | 505.06 | 73.12 | ||||
背崩乡 | 23 | 316.10 | 29.52 | 133.69 | 65.15 | 48.73 |
测定项目 | 区域 | 丰 | 稍丰 | 中等 | 稍缺 | 缺 | 极缺 | 测定项目 | 区域 | 丰 | 稍丰 | 中等 | 稍缺 | 缺 | 极缺 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
有机质 | 墨脱全县 | 90 | 5 | 3 | 1 | 1 | 0 | 速效磷 | 墨脱全县 | 6 | 10 | 17 | 14 | 14 | 39 |
格档乡 | 83.9 | 3.2 | 3.2 | 9.7 | 0.0 | 0.0 | 格档乡 | 0.0 | 9.7 | 3.2 | 3.2 | 51.6 | 32.3 | ||
墨脱乡 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 墨脱乡 | 0.0 | 19.7 | 21.3 | 32.8 | 1.6 | 24.6 | ||
帮辛乡 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 帮辛乡 | 9.3 | 5.6 | 7.4 | 7.4 | 13.0 | 57.4 | ||
达木乡 | 55.3 | 23.4 | 14.9 | 0.0 | 4.3 | 2.1 | 达木乡 | 10.6 | 10.6 | 40.4 | 12.8 | 25.5 | 0.0 | ||
德兴乡 | 96.4 | 3.6 | 0.0 | 0.0 | 0.0 | 0.0 | 德兴乡 | 0.0 | 3.6 | 1.8 | 1.8 | 3.6 | 89.3 | ||
背崩乡 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 背崩乡 | 21.7 | 8.7 | 43.5 | 26.1 | 0.0 | 0.0 | ||
碱解氮 | 墨脱全县 | 68 | 15 | 11 | 4 | 1 | 1 | 速效钾 | 墨脱全县 | 45 | 9 | 15 | 19 | 9 | 3 |
格档乡 | 83.9 | 3.2 | 3.2 | 9.7 | 0.0 | 0.0 | 格档乡 | 0.0 | 29.0 | 19.4 | 25.8 | 25.8 | 0.0 | ||
墨脱乡 | 68.9 | 9.8 | 14.8 | 6.6 | 0.0 | 0.0 | 墨脱乡 | 54.1 | 14.8 | 9.8 | 11.5 | 4.9 | 4.9 | ||
帮辛乡 | 38.9 | 31.5 | 24.1 | 3.7 | 0.0 | 1.9 | 帮辛乡 | 74.1 | 1.9 | 14.8 | 3.7 | 1.9 | 3.7 | ||
达木乡 | 57.4 | 25.5 | 6.4 | 10.6 | 0.0 | 0.0 | 达木乡 | 12.8 | 0.0 | 14.9 | 46.8 | 25.5 | 0.0 | ||
德兴乡 | 87.5 | 8.9 | 3.6 | 0.0 | 0.0 | 0.0 | 德兴乡 | 71.4 | 3.6 | 12.5 | 10.7 | 1.8 | 0.0 | ||
背崩乡 | 87.0 | 0.0 | 13.0 | 0.0 | 0.0 | 0.0 | 背崩乡 | 17.4 | 17.4 | 26.1 | 34.8 | 0.0 | 4.3 |
测定项目 | 区域 | 丰 | 稍丰 | 中等 | 稍缺 | 缺 | 极缺 | 测定项目 | 区域 | 丰 | 稍丰 | 中等 | 稍缺 | 缺 | 极缺 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
有机质 | 墨脱全县 | 90 | 5 | 3 | 1 | 1 | 0 | 速效磷 | 墨脱全县 | 6 | 10 | 17 | 14 | 14 | 39 |
格档乡 | 83.9 | 3.2 | 3.2 | 9.7 | 0.0 | 0.0 | 格档乡 | 0.0 | 9.7 | 3.2 | 3.2 | 51.6 | 32.3 | ||
墨脱乡 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 墨脱乡 | 0.0 | 19.7 | 21.3 | 32.8 | 1.6 | 24.6 | ||
帮辛乡 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 帮辛乡 | 9.3 | 5.6 | 7.4 | 7.4 | 13.0 | 57.4 | ||
达木乡 | 55.3 | 23.4 | 14.9 | 0.0 | 4.3 | 2.1 | 达木乡 | 10.6 | 10.6 | 40.4 | 12.8 | 25.5 | 0.0 | ||
德兴乡 | 96.4 | 3.6 | 0.0 | 0.0 | 0.0 | 0.0 | 德兴乡 | 0.0 | 3.6 | 1.8 | 1.8 | 3.6 | 89.3 | ||
背崩乡 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 背崩乡 | 21.7 | 8.7 | 43.5 | 26.1 | 0.0 | 0.0 | ||
碱解氮 | 墨脱全县 | 68 | 15 | 11 | 4 | 1 | 1 | 速效钾 | 墨脱全县 | 45 | 9 | 15 | 19 | 9 | 3 |
格档乡 | 83.9 | 3.2 | 3.2 | 9.7 | 0.0 | 0.0 | 格档乡 | 0.0 | 29.0 | 19.4 | 25.8 | 25.8 | 0.0 | ||
墨脱乡 | 68.9 | 9.8 | 14.8 | 6.6 | 0.0 | 0.0 | 墨脱乡 | 54.1 | 14.8 | 9.8 | 11.5 | 4.9 | 4.9 | ||
帮辛乡 | 38.9 | 31.5 | 24.1 | 3.7 | 0.0 | 1.9 | 帮辛乡 | 74.1 | 1.9 | 14.8 | 3.7 | 1.9 | 3.7 | ||
达木乡 | 57.4 | 25.5 | 6.4 | 10.6 | 0.0 | 0.0 | 达木乡 | 12.8 | 0.0 | 14.9 | 46.8 | 25.5 | 0.0 | ||
德兴乡 | 87.5 | 8.9 | 3.6 | 0.0 | 0.0 | 0.0 | 德兴乡 | 71.4 | 3.6 | 12.5 | 10.7 | 1.8 | 0.0 | ||
背崩乡 | 87.0 | 0.0 | 13.0 | 0.0 | 0.0 | 0.0 | 背崩乡 | 17.4 | 17.4 | 26.1 | 34.8 | 0.0 | 4.3 |
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