Crop mixture evaluation shows companion species growth rate determines nitrogen fixation dynamics in common beans, highlighting the untapped potential of legume-legume intercropping.
It is generally assumed that legumes benefit their companion plant species. Our study highlights the contrary and shows that the specific benefits of cereal-legume mixtures are dependent on the growth rate of the species concerned. We further highlight that the potential of legume-legume mixtures is currently undervalued and may play a strong role in increasing N use efficiency of intercrop-based systems.
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Singh et al. (2023) studied this question.
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