Climatologists have not correctly explained what plants are doing at night, and it turns out to be a mistake. A new study by the Department of Energy Lawrence Berkeley National Laboratory (Berkeley Lab) has found that uptake of plant nutrition in the absence of photosynthesis affects greenhouse gas emissions to the atmosphere.
“This is good news, respecting what is currently in the climate models,” said William Riley, a researcher at Berkeley Lab’s field of Earth and Environmental Sciences.
The ability of plants to absorb carbon dioxide is limited by the availability of nutrients, especially nitrogen and phosphorus. The more rich nutrients are, the more plants can benefit from increased atmospheric carbon dioxide. Microbes in the soil are also a factor in competing with nutrient plants. 1
9659002] Microbes actually play an important role in the carbon cycle, and the interaction between plants, soil and microbes is complex and poses a challenge for climate researchers. Most climate models assume that plants compete for nutrients in the soil only when they require it for photosynthesis, and not for example at night or in non-growing seasons.
“What most climate models have ignored is this beautiful robust observation Explosives that show plants acquire nitrogen from the ground, even when they are not photosynthetic, says Riley.
Read the full original article: Improving climate models to account for plant behavior gives good news