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１无公害芹菜生产基地的选择选择远离工矿企业（距离超过５km），无“三废”污染，地势平坦，土壤肥沃，地下水资源充足，光照资源丰富，生物呈现多样性的基地。大气、水、土壤环境质量符合无公害农产品基地环境质量标准。２无公害芹菜生产技术指标（１）温度芹菜为耐寒性蔬菜
A choice of pollution-free celery production base away from industrial and mining enterprises (more than 5km away), no “three wastes” pollution, flat, fertile soil, adequate groundwater resources, abundant light resources, bio-diversity base. Atmospheric, water, soil environmental quality in line with pollution-free agricultural base of environmental quality standards. 2 pollution-free celery production technical indicators (1) temperature celery cold-resistant vegetables