大棚西洋芹栽培技术(国外英文资料).doc

大棚西洋芹栽培技术(国外英文资料) Moderator: celery celery, celery madder alias. At present, the products are in short supply, and cultivation of celery has become a way for farmers to get rich. In order to help farmer friends to do a good job of planting celery in greenhouse, we asked Tian Xiujuan, a researcher in agricultural technology extension and training center of Hebei farmers scientific and technological education and training center, to introduce the cultivation techniques of celery in greenhouse. 1. host: what are the characteristics of parsley? Expert: Parsley, parsley, parsley. The root distribution of shallow, in 10 ~ 20 cm soil layer, horizontal up to 30 centimeters, the vegetative growth stage of the plant up to 60 ~ 80 cm, branched stem end occurred after bolting, cross pollination. Celery plant height, petiole, solid hypertrophy, sugar content is 1 times higher than the celery and green, tender, crisp, sweet, with less fiber, rich in vitamins and minerals, with the effect of lowering blood pressure, brain, like this and facilitate bowel Qin, consumers. 2. host: what are the varieties of celery which are common in the market at present? Expert: we have common celery yellow species, green species, hybrids and other three types. (1) yellow species. Leaf light green, Ye Bingkuan, meat thin, more fiber, and easy to soften, hollow early, sensitive to low temperature, early bolting. The main varieties are gold, natural, soft, white, gold, feathers and so on. (2) green species. Stems and leaves of dark green, round handle, flesh, less fiber, late bolting, stress tolerance and disease resistance is strong, mature late, not easy to soften varieties to the most famous Jewish series varieties. (3) hybrid population. Is a kind of green and yellow bastard, with yellow for early maturity, easy to soften the advantages of green, slightly rounded handle, Rouhou less fiber. There are varieties of early bolting, heat-resistant Cornell 19; hollow, late bolting Cornell 619 etc.. 3. ho