连续施用土壤改良剂对沙质潮土肥力及活性有机碳组分的影响
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周吉祥,张贺,杨静,李桂花,张建峰
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Effects of Continuous Application of Soil Amendments on Fluvo- Aquic Soil Fertility and Active Organic Carbon Components
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ZHOU JiXiang,ZHANG He,YANG Jing,LI GuiHua,ZHANG JianFeng
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表4 土壤改良剂对土壤化学特性及肥力水平的影响
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Table 4 Changes of soil chemical properties and integrated fertility index with two soil amendments
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| 处理Treatment | 有机碳
TOC (g·kg-1) | 全氮
TN (g·kg-1) | 速效磷
AP (mg·kg-1) | 速效钾
AK (mg·kg-1) | pH | 土壤综合肥力指数
IFI | | CK | 7.41±0.41b | 0.92±0.15ab | 22.76±6.85b | 213.67±18.23d | 8.65±0.09a | 1.15±0.07b | | T1 | 9.51±0.34a | 1.14±0.21ab | 78.24±1.50a | 307.33±28.02b | 8.30±0.02b | 1.33±0.04a | | T2 | 7.77±0.34b | 0.84±0.21b | 24.94±3.12b | 256.00±15.10c | 8.43±0.09b | 1.17±0.04b | | T3 | 9.84±0.62a | 1.18±0.10a | 80.61±16.68a | 372.00±21.00a | 8.37±0.06b | 1.35±0.03a |
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