Understanding variability in crop response to fertilizer and amendments in sub-Saharan Africa.
Agriculture, Ecosystems & Environment(2016)
摘要
•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.
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关键词
Clustering,Nutrient omission trial,Crop responsiveness,Soil constraints,Variability
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