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首页> 外文期刊>African Journal of Agricultural Research >Integrated evaluation of soil fertility based on grey correlation analysis at regional scales
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Integrated evaluation of soil fertility based on grey correlation analysis at regional scales

机译：基于灰色关联度的区域尺度土壤肥力综合评价

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This paper reports on studies of soil samples from the region of Xiaoliang water conservation station, in China, and its naturally restored forest. 32 indices based on the physical, chemical, microbiological and enzyme properties of the soil are studied, from 9 different vegetation patterns at 45 observation points. Grey correlation analysis and integrated evaluation is used for the analysis of soil fertility. From experimental measurements, it is shown that the integrated evaluation of the sample soil fertility by grey correlation analysis provides excellent agreement with the actual soil characteristics. Eucalyptus may be considered as a primary forest choice to recover bare land, however, it is not suitable for long-term planting and cropping since it will eventually result in degradation of soil fertility, and is therefore not favourable for long-term ecological restoration. Nevertheless, if chosen, additional actions can be taken to benefit soil fertility, such as regular changes of breed variety, crop rotation, mixing with broad-leaf forest, protecting undergrowth vegetation and reducing forest litter coverage.
机译：本文报道了来自中国小梁水利枢纽站及其自然恢复森林的土壤样品的研究。从45个观测点的9种不同植被模式研究了基于土壤的物理，化学，微生物和酶特性的32个指标。灰色关联分析和综合评价用于土壤肥力分析。从实验测量结果表明，通过灰色关联分析对样品土壤肥力进行综合评估，与土壤的实际特性具有极好的一致性。桉树可能被认为是恢复裸地的主要森林选择，但是，它不适合长期种植和种植，因为它最终会导致土壤肥力下降，因此不利于长期的生态恢复。但是，如果选择，还可以采取其他措施来提高土壤肥力，例如定期改变品种，轮换作物，与阔叶林混合，保护灌木丛和减少森林凋落物覆盖。

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