在江西红壤旱地底施氮磷钾肥条件下 ,6个不同生育期品种的产量均可达到 1 50 0 kg/hm2 以上 ,在气候条件较好的 1 997年 ,分别达到 1 70 0～ 2 3 50 kg/hm2 。产量高低及主要经济性状随品种生育期长短而异 ,与对照相比 ,增产率为 2 .54%～ 3 5.53 %,主要农艺性状亦存在差异 ;生育期长的品种比生育期短的品种蛋白质含量低、油分含量高 ,但蛋白质、油分之和均超过 65%。早熟品种 890 5-1不但产量高出中熟品种矮脚早 ,且蛋白质与油分之和达到 66.54%,表现优质、早熟、高产。 6个供试品种吸收、积累矿质营养元素的特性表现出一定差异 ,早熟品种早春 1号磷、钾及铁的含量较高 ,成熟期植株氮含量较低 ,中熟品种矮脚早对铁、锌、锰的吸收积累较高 ,中迟熟品种湘豆 1 0号 ,95-5成熟期植株氮含量保持较高水平 Under the condition of applying N, P, K fertilizers at the bottom of red soils in Jiangxi Province, the yield of 6 cultivars at different growth stages could reach more than 1 50 0 kg / hm2, and in 1997 with good climatic conditions, they reached 1 70 0 ~ 2 3 50 kg / hm2. Yield and major economic traits vary with the length of the growing period of the varieties, compared with the control, the yield was 2.54% ~ 3 5.53%, the main agronomic traits are also different; varieties with longer growing period than the growing period of short varieties of protein Low content, high oil content, but the protein, oil and the sum of more than 65%. Early maturing cultivar 890 5-1 not only produced higher yield than early maturity cultivars, but also had 66.54% of protein and oil content, showing good quality, early maturity and high yield. There were some differences in the characteristics of mineral nutrients accumulated and accumulated in 6 tested cultivars. The early maturing varieties of early spring 1 had higher phosphorus, potassium and iron contents, lower nitrogen content in mature plants, Zn and Mn had a higher absorption and accumulation. The mid-late-maturing varieties Xiangdou 10 and 95-5 had a higher nitrogen content in mature plants