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一、选用纯正的、高质量的实心芹菜优良品种。二、选择富含有机质。保水保肥力强并且排灌条件好的地块建设棚室。三、保持适温和土壤湿润，可以减轻空心发生。芹菜属于耐寒性蔬菜，不耐热，要求冷凉湿润的环境条件。芹菜适宜温度为匕一ZO℃，不要低于10℃，遇阴、雨、雪天温度?
First, the selection of pure, high-quality solid celery fine varieties. Second, choose rich organic matter. Water conservation and fertility and irrigation and drainage conditions are good plot construction shed. Third, to maintain moderate temperature and soil moisture, can reduce the hollow. Celery is cold vegetables, heat-resistant, requiring cool and humid environmental conditions. Celery suitable temperature is dagger ZO ℃, not less than 10 ℃, the event of overcast, rain, snow temperature?