Highlights • Soybean yields in SSA are low and variable compared to North and South America.• Low soil fertility and poor quality rhizobia inoculants contribute to low yields.• Integrated soil fertility management (ISFM) packages for soybean to reduce yield variability.• Inoculation with Rhizobia and addition of Sympal gave yield of up to 4 t ha−1.• Yield increase of 35–70% required for profitability of ISFM packages.

中文翻译：

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减少肯尼亚西部 Siaya 县土壤肥力可变农场大豆对根瘤菌接种剂反应的空间变异性

亮点 • 与北美和南美相比，SSA 的大豆产量低且多变。• 土壤肥力低和质量差的根瘤菌接种剂导致产量低。• 针对大豆的综合土壤肥力管理 (ISFM) 包可减少产量变异。• 接种根瘤菌和 Sympal 的添加使产量高达 4 t ha−1。• ISFM 包装盈利所需的产量增加 35-70%。