黄土高原长期覆膜苹果园土壤物理退化与细根生长响应
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孙文泰, 马明
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Response of soil physical degradation and fine root growth on long-term film mulching in apple orchards on Loess Plateau
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SUN Wen-Tai, MA Ming
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表1 甘肃陇东苹果园试验区土壤理化性状
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Table 1 Soil physico-chemical properties in apple orchard experimental area of Longdong, Gansu
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土层深度
Soil depth
(cm) | 全氮含量
Total nitrogen (N) content
(g·kg-1) | 全磷含量
Total phosphorus (P) content
(g·kg-1) | 全钾含量
Total potassium (K) content (g·kg-1) | 有机质含量
Organic matter content (g·kg-1) | 碱解氮含量
Alkaline hydrolysis N content (mg·kg-1) | 速效磷含量
Available P content (mg·kg-1) | 速效钾含量
Available K content (mg·kg-1) | pH | | 20 | 1.27 | 1.12 | 16.86 | 14.69 | 96.25 | 47.3 | 377.04 | 8.35 | | 40 | 0.74 | 0.80 | 16.82 | 9.57 | 47.25 | 14.7 | 182.96 | 8.85 |
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