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哈尔滨市呼兰区属温带大陆性季风气候,气候冷凉,昼夜温差大,年有效积温2 800℃,无霜期144d,年降雨量500mm,土壤以黑土为主,有机质含量高,极其适合圆葱喜冷凉、中等强度光照以及疏松、肥沃和保水能力强的土壤的生长特性,所产圆葱产量高且甜脆可口。通过采用棚室育苗和本田覆膜技术,增加圆葱的积温,8月上中旬即可上市,产量90 000kg/hm~2左右。
Hulan District, Harbin is a temperate continental monsoon climate, cold climate, large temperature difference between day and night, the effective accumulated temperature of 2 800 ℃, frost-free period of 144d, the annual rainfall of 500mm, mainly black soil, high organic matter, ideal for onions like cold Cool, medium-intensity light and the growth characteristics of loose, fertile and water-retaining soils that produce high-yielding onions and sweet and crisp. Through the use of greenhouse nursery and Honda coated technology to increase the accumulated temperature onion, on the market in mid-August, the output of 90 000kg / hm ~ 2 or so.