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soil biological pollution
释义
soil biological pollution
Encyclopedia
农学
土壤生物污染
释
soil biological pollution
土壤生物污染
一个或几个病原体和有害的生物种群从外界环境侵入土壤,大量繁衍,干扰或破坏土壤生态系统原有平衡,引起土壤质量下降,并对生态系统及人体健康产生不良影响的现象。
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importance value
import and export
import and export flow measurement
import and export food inspection
import and export licensing system for agricultural products
import and export of Chinese books and periodicals
import and export of goods
import and export of services
import and export price index
import and export quotas for agricultural products
Important Archival Documents 1978–2008
Important Arts for the People's Walfare
important bird and biodiversity areas:IBA
Important Canon on Judicial Cases of the Three Reigns
Important City News Inspection Method
important equations of nonholonomic mechanics
important geoheritage
important grading to dangerous equipment
important habitat protection
Important Means of Subsistens for Common People
important monitoring items
important news map
Important Records in the Jingkang Era
Important rosewood five string lute
important water and soil conservation project map
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