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一、白城地区向日葵生产概况白城地区是我国向日葵主产区,近年来发展很快。1979年全区播种面积为7.3万公顷,到1985年发展到21.3万公顷,近两年实际播种面积也都在20.0万公顷左右,约占全国的五分之一左右,占吉林省的播种面积70％以上,产量也占70％以上。本区向日葵栽培历史较久,气候、土质适于向日葵生长发育的需要,向日葵具有耐旱、耐瘠薄、耐盐碱的特性,种植向日葵可以充分利用土地资源,取得较大的经济效益,增加农民收入,发展向日葵生产是本区的一大优势。当前,全区向日葵实际单产徘徊在1125～1500公斤左右,有的年份较低,如1985年全区
First, the production of sunflower in Baicheng area Baicheng area is the main producing areas of China’s sunflower, developed rapidly in recent years. In 1979, the sown area of the entire region was 73,000 hectares and by 1983 it reached 213,000 hectares. The actual sown area in the past two years was also about 200,000 hectares, accounting for about one fifth of the national total, accounting for the sown area in Jilin Province More than 70%, the output also accounts for more than 70%. Sunflower cultivation in this area has a long history, the climate and soil are suitable for the growth and development of sunflower. Sunflower has characteristics of drought tolerance, infertility resistance and saline-alkali tolerance. Sunflower cultivation can make full use of land resources and achieve greater economic benefits and increase farmers’ Income, the development of sunflower production is a major advantage in the region. At present, the actual yield of sunflower in the region hovering around 1125 ~ 1500 kg, and some of the lower years, such as 1985 in the region