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脂肪含量是大豆品质的重要指标之一,运用多种数理统计方法,对黄淮海区试南组5年夏大豆区域试验测定的大豆品种脂肪含量与平行观测的气象资料进行分析。结果表明:影响脂肪含量的综合气候关键期为9月上、中旬(鼓粒中后期),主导气象因子是日照时数,气温日较差对其也有重要影响。
Fat content is one of the important indexes of soybean quality. Using various mathematical statistics methods, the fat content and the parallel observation meteorological data of the soybean varieties tested in the 5-year Summer Soybean Regional Trial in Huang-Huai-Hai District were analyzed. The results showed that the key period of the comprehensive climate affecting the fat content was the upper mid-September (middle and late drum), and the dominant meteorological factor was the sunshine hours. The bad day temperature also had an important influence on the fat content.