Agroecological Geology Groups and Types in Hilly and Mountainous Areas of Yuanshi, Hebei Province
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摘要: 农业生态地质类型是农业生态地质调查研究综合性成果之一, 是其调查填图的基本单位.利用把地质环境与农业生态作为一整体系统的思路, 确定了农业生态地质类型划分的原则: 整体系统中的主导因素, 地上农业生态质量差异和宏观识别特征明显.研究区共有农业生态地质类3个、型16个, 而且不同类型上农业生态质量特征差异显著.Abstract: Agroecological geology groups and types are a comprehensive result from agroecological geology investigations, and are the basic units for the investigation and mapping. With a view on geological environment and agroecology system, the authors put forward three principles for distinguishing agroecological geology groups and types, which are dominant rules in the system, quality differences in agro ecology, and macro characteristics in favor of field investigations. There are 3 groups and 16 types, presenting remarkable quality differences in agro ecology in the research area.
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表 1 研究区不同地点表层岩土含水量、粒度成分、干容重与农业生态特征
Table 1. Comparison of moisture content, granularity composition, unit dry weight in different rock and soil with agroecology in research area
表 2 研究区不同岩土松散堆积物质的裂隙网络与农业生态特征
Table 2. Comparison of crack system in different rock and soil with agroecology in research area
表 3 研究区不同母岩的风化物中营养元素全量及有效态含量对比
Table 3. Total and bioavailability content in different weathered horizons in research area
表 4 研究区农业生态地质类型
Table 4. Agroecological geology group and type in research area
表 5 不同农业生态地质型上生长的石榴质量
Table 5. Megranate quality growing on different agroecological geology types in research area
表 6 不同农业生态地质型上生长的柿子质量
Table 6. Persimmon quality growing on different agroecological geology types in research area
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