Study: More Nitrogen may Help Offset Effect of Climate Change on Wheat

This article discusses a study that shows that more nitrogen may help offset the climate change impact on wheat.

In this backdrop, scientists at Indian Institute of Technology- Kharagpur explored the possibility of nutrient management as a way to sustain wheat productivity even at higher concentrations of carbon dioxide. They created an artificial carbon dioxide-rich environment and applied different levels of nitrogen to wheat crop along with the recommended dosage of fertilizers. The experiment was carried out over three consecutive Rabi seasons.

The scientists found that wheat yield and growth parameters improved with increasing levels of nitrogen application despite elevated carbon dioxide conditions and higher temperatures. Interestingly, under ambient carbon dioxide concentration, increasing the dosage of nitrogen did not bring any improvement in growth and yield of the crop.

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