...息 关键词： 经济林种植;;土壤适宜性;;空间数据平台;;测土配方 [gap=866]Keywords: Economic forest planting;Soil suitability;Spatial data platform;Fertilization based on soil testing ..
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通过土壤资源的适宜性评价与土壤利用现状比较，指出土壤资源利用不合理是导致土壤侵蚀退化的根本原因。
Meanwhile, it shows that the reason of soil degenerated by erosion is the unreasonable use of land by comparing present situation of land utilization and its adaptability.
本研究在分析河南省烤烟种植区各项肥力指标的基础上，建立了烤烟土壤肥力适宜性评价指标体系。
Based on analysis of the physical and chemical properties of soil samples collected from Henan tobacco plantation area, the index system of soil fertility adaptability of tobacco was established.
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