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１范围本标准规定了无公害芹菜每公顷单茬产４５０００～７５００００kg（３０００～５０００kg／６６７）的产地环境技术条件，肥料农药使用原则和要求，生产管理等系列措施。本标准适用于河北省露地和保护地芹菜无公害生产。２引用标准下列文件中的条款通过本标准的引用而成
1 Scope This standard specifies the pollution-free celery per hectare single stubble 45000 ~ 750000kg (3000 ~ 5000kg / 667) origin environmental technical conditions, fertilizer and pesticide use principles and requirements, production management and other measures. This standard applies to open-field and protected areas of Hebei celery pollution-free production. 2 Normative references The following documents contain provisions which, through reference in this standard