山东省沿海地区大豆生产变化特征及其发展趋势研究

来源 :山东农业科学 | 被引量 : 0次 | 上传用户:aspbasicer
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对山东沿海地区6市29县1975~2010年的大豆品种、总产量和栽培面积进行调查和分析。结果表明,期间该地区大豆单产增加显著,栽培面积和总产量经历了先降低后增加再降低三个发展阶段,年际间的变幅大且整体表现出下降趋势。通过栽培品种统计发现,大豆大产量(总产量≥104t)栽培品种虽然数量较少,但其占总产量之比大,对推动山东省大豆产业发展以及丰富我国大豆种质资源具有重要的作用与意义。 Soybean varieties, total output and cultivated area from 29 to 29 cities in Shandong coastal area from 1975 to 2010 were investigated and analyzed. The results showed that during the period, soybean yield increased significantly in this area. The cultivated area and total yield experienced three stages of decreasing firstly, then increasing and then decreasing. The amplitude of interannual variation was large and showed a downward trend overall. According to the statistics of cultivars, although the cultivated soybean with large yield (total yield ≥104t) has a small quantity, its proportion in total output has an important role in promoting the development of soybean industry in Shandong Province and enriching the germplasm resources of our country. significance.
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