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日本洋葱18属一代杂交种,1998年引入河南省太康县,经过近几年的栽培试种,获得成功。主要特点是:①球大,一般单球重300—400克,最大达到660克,扁圆形至圆球形,皮棕黄色,外形美观,耐贮运,适合出口,创外汇。②高产,每亩产量6000—8000公斤,高产田1万公斤以上。③高效,5月中下旬收获按市场价格每公斤0.6元,亩收入3500元到5000元。若贮藏到春节前后,效益更加可观。另外洋葱又是套种西瓜、辣椒、茄子、棉花的最好茬口、它属辛辣作物,具有杀菌功能。现将栽培技术总结如下:
Japanese onion 18 genus of hybrids, introduced in 1998 in Taikang County, Henan Province, after several years of cultivation and cultivation, to be successful. The main features are: ① large ball, the general weight of 300-400 grams of single ball, up to 660 grams, oblate to spherical, brown leather, beautiful appearance, storage resistance, suitable for export, a foreign exchange. ② high yield, yield 6000-8000 kilograms per mu, high yield more than 10,000 kilograms. ③ efficient, in late May harvest according to the market price of 0.6 yuan per kilogram, mu income 3500-5000 yuan. If the storage before the Spring Festival, the benefits are more substantial. Another onion is an intercropping watermelon, peppers, eggplant, cotton stubble, it is a spicy crop, with bactericidal function. Now cultivation techniques are summarized as follows: