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Background and aims Sustainable crop production is crucial to address global food security and requires a solid input of chemical fertilizers containing macro (e.g. nitrogen: N) and micro (e.g. zinc: Zn) nutrients. However, climatic factors beyond farmers’ management capabilities determine the final crop yields, and world’s climate has been changing more rapidly than ever due to human activities such...
Background Elevated carbon dioxide enhances biomass production and final crop yield of C3 species as a consequence of increased photosynthesis, water use efficiency and RuBisCO saturation. However, this enhancement is limited by environmental conditions such as nutrient deficiencies. This study evaluates the interactive effects of K supply (deficient or adequate) and atmospheric CO2 (ambient or elevated)...
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