我省的芹菜栽培以实心品种为主,如北京的“铁杆青”、开封的“玻璃脆”等,近年来从国外引进的“加州王”、“文图拉”等也都是实心品种,但种植过程中很多会出现“空心”现象。一、从栽培管理角度分析,造成空心的主要原因有以下几个方面:1、保护地栽培。如果温度太低、光照不足或 Celery cultivation in our province is dominated by solid varieties such as Beijing “Hardcore”, Kaifeng’s “Glass Crisp” and so on. In recent years, “California King”, “Ventura ”And so are also solid varieties, but many of the planting process will appear “ hollow ”phenomenon. First, from the perspective of cultivation and management, resulting in the hollow of the main reasons for the following aspects: 1, protected cultivation. If the temperature is too low, insufficient light or