Agricultural and Biological Sciences
4 years ago

Deficit irrigation boosts maize yields, conserves precious water in humid climates

Agrociencia Uruguay
Water productivity in maize, at different levels of deficit irrigation in humid climate
Raquel Hayashi, Santiago Dogliotti

Paper Summary

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In a study on corn production in Uruguay, different levels of irrigation were tested to find the most efficient strategy. Results showed that moderate deficit irrigation (6 mm/day) led to higher yields compared to no irrigation or excessive irrigation. This strategy saved almost 20% of water while maintaining productivity. Despite using less rainfall, the most efficient irrigation strategy was found to be 9 mm/day, based on water productivity indicators. This research aims to improve water use in agriculture in humid climates.