Zhu, Y., Wan, L., Xia, L., Butterbach-Bahl, K., Dannenmann, M., Scheer, C., Ruehr, N. K., Wolf, B., Yan, X., Wei, Z., Reich, P. B., Luo, Y., Smith, P., Peñuelas, J., Schloter, M., Schulz, S., Kiese, R. (2026). Elevated CO2 and warming intensify plant reliance on soil nitrogen reserves despite intensive fertilization. Nature Communications. https://doi.org/10.1038/s41467-026-75147-w