采样点 | 采样深度(cm) | pH | 有机质(g∙kg−1) | 全氮(g∙kg−1) | 有效磷(mg∙kg−1) | 速效钾(mg∙kg−1) | ||
土体表层 | 0~30 | 范围 | 7.83~8.28 | 3.70~15.9 | 0.21~0.91 | 3.0~7.3 | 49~123 | |
均值 | 8.09 | 7.66 | 0.38 | 4.8 | 101 | |||
土体剖面 | 0~10 | 范围 | 8.08~8.09 | 4.44~5.87 | 0.34~0.83 | 3.2~6.7 | 102~105 | |
均值 | 8.09 | 5.16 | 0.59 | 5.0 | 104 | |||
10~20 | 范围 | 8.04~8.28 | 4.16~4.80 | 0.27~0.73 | 3.4~6.0 | 61~66 | ||
均值 | 8.16 | 4.48 | 0.50 | 4.7 | 64 | |||
20~30 | 范围 | 7.94~8.02 | 4.42~4.49 | 0.17~0.34 | 2.6~7.8 | 51~60 | ||
均值 | 7.98 | 4.46 | 0.26 | 5.2 | 56 | |||