Agricultural and Biological Sciences
8 years ago

Fertilized Soil Moisture Levels Impact Nitrogen Oxide Emissions Dramatically.

Journal of Korean Society for Atmospheric Environment
Variations of NO Concentration Released from Fertilized Japanese Upland Soil Under Different Soil Moisture Conditions
Deug-Soo Kim, Haruo Tsuruta, Kazuyuki Inubushi

Paper Summary

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The researchers studied how soil moisture affects the release of nitrogen oxide (NO) from fertilized Japanese upland soil. They found that NO concentration increased with soil moisture, peaking at 55% water-filled pore space. Fertilized soil emitted significant NO, while unfertilized soil did not. NO release was faster in dry soil compared to wet soil, with most NO being released within a day of fertilizer application. This shows that soil moisture and fertilizer play key roles in controlling NO emissions from soil.