The experiment has made a comparative study of planting 10 vaieties of yellow onions of long-time sunshine type,mid-time sunshine type and short-time sunshine type in 3 different planting periods. Its result has shown that the varieties of 10A1 and 10A2 of mid-time sunshine type are suitable for spring planting and autumn harvesting in Xichang.% 本试验用长日照、中日照和短日照型的黄皮洋葱品种10个,在不同的3个播期进行栽培对比试验,试验结果表明:中日照黄皮洋葱品种10A1、10A2适宜西昌春播秋收
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