Highlights • In upto 25% of fields, maize is non-responsive to fertilizer and amendments.• Multiple factors that vary by site explain poor crop response to fertilizers.• Low Mn, Cu and B contents are the most striking differences between the poor non-responsive cluster and others.• Site specific management recommendations are needed to improve the efficiency of fertilizer application.

中文翻译：

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了解撒哈拉以南非洲作物对肥料和改良剂反应的变异性

亮点 • 在多达 25% 的田地中，玉米对肥料和改良剂无反应。• 不同地点的多种因素解释了作物对肥料的不良反应。• 低 Mn、Cu 和 B 含量是贫困非农之间最显着的差异- 响应集群和其他。• 需要针对特定​​地点的管理建议来提高施肥效率。