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芹菜性喜冷凉湿润的环境条件,害怕高温干旱,不耐霜冻。中原地区露地常规栽培的芹菜一年种两茬,一茬在5月上旬育苗,8月上旬定植,11月上旬上市;另一茬在8月下旬育苗,11月中旬定植,第二年4月底5月初上市。这两茬芹菜因为种植容易,上市量大且集中,所以价格偏低。而露地反季节芹菜上市时间正值高温阶段,市场货少价高,每kg1.2～2元,有时高达4元以上。单株重1kq以上的西芹,每kg2～4元,特殊年份8元。一般667m~2产量3000～4000kg。土壤肥沃,管理得当的667m~2产量可达4500kg以上,净收入3500～5000元,现将栽培技术介绍如下。一、选用适宜品种栽培反季节芹菜品种选择是严格的,必须具备耐热、抗高温、抗病性强的特性。经试验,实践和调查,适宜夏季栽培的芹菜品种有:意大利冬芹、意大利夏芹、长治芹菜、济南实芹一号、白庙芹菜、
Celery sex likes wet and humid environment conditions, afraid of high temperature and drought, impatience frost. Celery cultivated in the open areas of the Central Plains in a year two kinds of crop, a crop in early May nursery, planting in early August, listed in early November; the other crop in late August nursery, planting in mid-November, the second year end of April Listed in early May. Celery these two crops because of easy planting, the large amount of market and focus, so the price is low. The open season anti-seasonal celery time is high temperature stage, the market less high-priced goods, each kg1.2 ~ 2 yuan, and sometimes up to 4 yuan or more. Celery weighing more than 1kq per kg2 ~ 4 yuan, 8 yuan for special years. General 667m ~ 2 production 3000 ~ 4000kg. Fertile soil, properly managed 667m ~ 2 output up to 4500kg above, the net income of 3500 to 5000 yuan, now the cultivation techniques are introduced below. First, the selection of suitable varieties of cultivated anti-season Celery varieties selection is strict, must have heat, high temperature, disease resistance and strong characteristics. After testing, practice and investigation, suitable for the cultivation of summer celery varieties are: Italian parsley, parsley, celery, Changzhi celery, Jinan really celery, white temple celery,