蔬菜,春季提前栽培,不但提高其商品价值,而且弥补淡季蔬菜的不足,丰富人们的菜蓝子。芹菜含有较多的蛋白质、钙、铁、胡萝卜素以及木质素和纤维素,具有防癌、抗癌效果。美国西芹以颗大、柄粗、产量高、质地脆嫩,俗名“玻璃脆”,而深受广大菜农和消费者欢迎。芹菜属半耐寒性蔬菜,但一般为露地和秋延后栽培。1995年开始成们连续三年进行了美国西芹的早春栽培,每亩年平均获益8000元以上。现将其栽培技术介绍如下: Vegetables, cultivated in advance in spring, not only improve the value of their products, but also make up for the lack of off-season vegetables, enrich people’s vegetables. Celery contains more protein, calcium, iron, carotene and lignin and cellulose, with anti-cancer, anti-cancer effect. American Celery to large, coarse handle, high yield, crisp texture, common name “glass crisp,” and welcomed by the majority of farmers and consumers. Celery is a half hardy vegetables, but generally open field and autumn cultivation. Beginning in 1995 as three consecutive years of cultivation of American celery in early spring, the average annual benefit of 8,000 yuan per mu. Now its cultivation techniques are as follows: