| 黑土退化阶段与强度分析 |
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| 引用本文： | 孟凯,刘月杰. 黑土退化阶段与强度分析[J]. 农业系统科学与综合研究, 2008, 24(4) |
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| 作者姓名： | 孟凯 刘月杰 |
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| 作者单位： | 1. 黑龙江大学,农业资源与环境学院,黑龙江,哈尔滨,150080
2. 黑龙江省海伦市第一中学,黑龙江,海伦,152301 |
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| 摘 要： | 综合分析了黑土退化的影响因素,黑土退化的主要驱动因子是土壤有机碳的变化,有机碳的变异过程直接影响到土壤各要素的变化。利用新的方法进行分析,提出黑龙江省黑土退化发展的阶段和退化的强度。
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| 关 键 词： | 黑土 退化阶段 退化强度 |
Analysis on the Retrogressive Stages and Intensity of Terra Near |
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| MENG Kai,LIU Yue-jie. Analysis on the Retrogressive Stages and Intensity of Terra Near[J]. System Sciemces and Comprehensive Studies In Agriculture, 2008, 24(4) |
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| Authors: | MENG Kai LIU Yue-jie |
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| Abstract: | The factors on terra nera retrogression were comprehensively analyzed in this paper.The main reason causing terra nera retrogression is the organic carbon variation,the variance progress of organic carbon directly affect each element change in the soil.The development stages and retrogressive intensity of terra nera in Heilongjiang were put forward,analyzed by the new method. |
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| Keywords: | Terra near retrogressive stage retrogressive intensity |
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