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秋延迟栽培绿菜花,每667平方米产2000公斤左右,效益达2000～4000元。 一、选择良种 秋延迟栽培应选择生长势强、抗病性好、产量高、紧实度好、不易散球的品种,如:日本的绿岭、玉冠和美国西兰花等品种。 二、培育壮苗 一般于7月下旬到8月上中旬播种。因育苗期间正值炎热的夏季,为培育适龄壮苗,须采取遮荫、降温、防雨措施,建防雨棚育苗(即建中拱棚,棚顶覆盖薄
Autumn cultivation of green cauliflower, every 667 square meters produced about 2000 kilograms, the benefit of 2000 ~ 4000 yuan. First, the selection of late autumn autumn cultivation should choose a strong growth potential, good disease resistance, high yield, good firmness, easy to scattered balls of the species, such as: Japan’s Green Ridge, Jade Crown and the United States broccoli and other varieties. Second, nurturing strong seedlings generally in late July to mid August on sowing. Due to the positive hot summer during nursery, in order to nurture the age-strong seedlings, shade, cooling and rain prevention measures must be taken to build a shelter nursery (ie built arch shed, roof cover thin