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研究不同耐低磷大豆品种在酸性红壤和石灰性土壤上的耐性变化。结果表明，大豆品种的耐低磷能力与土壤类型有一定关系，干物质积累量和磷积累量的大豆品种×土壤类型间交互作用极显著。在酸性低磷红壤上，大豆品种湘春９１—１００、涟源泥冬黄豆和浙春２ 号的干物质量和磷积累量都显著高于桂阳傲泉黄豆和湘豆３ 号。在石灰性土壤上，干物质表现为湘春９１—１００、涟源泥冬黄豆＞ 桂阳傲泉黄豆、浙春２ 号＞ 湘豆３ 号，而磷积累量除湘春９１—１００ 显著较高外，其它４ 个品种间无显著差异。土壤类型对大豆品种的根系生长有较大影响
To study the tolerance of different low phosphorus tolerant soybean cultivars to acid red soil and calcareous soil. The results showed that the tolerance of soybean cultivars to low phosphorus was related to soil types. The interaction between dry matter accumulation and phosphorus accumulation of soybean cultivars × soil types was significant. In acidic low phosphorus red soil, the dry matter mass and phosphorus accumulation of soybean varieties Xiangchun 91-100, Lianyuan muddy soybean and Zhechun 2 were significantly higher than those of Guiyang Aoquan soybean and Xiangdou No.3. In calcareous soil, the dry matter showed Xiangchun 91-100, Lianyou muddy soybeans> Guiyang Aoquan soybeans, Zhechun 2> Xiangdou 3, while the phosphorus accumulation was significantly higher than that of Xiangchun 91-100 High, the other four varieties no significant difference. Soil type has a greater impact on the root growth of soybean varieties