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Excess nitrogen may decrease maize grain yields when water is limited
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DOI：10.1016/j.agwat.2026.110456.png)
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Abstract
En 中文
• Excess N reduced maize grain yield when water was limited. • Water-limited maize achieved maximum yield with 31% less N. • High N suppressed root biomass and water productivity when water was limited. • N availability and uptake did not limit yield under limited water.
Keywords:
Water productivity
Water limitation
Grain yield
Maize
Nitrogen
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