Five-year nitrogen addition affects fine root exudation and its correlation with root respiration in a dominant species, Quercus crispula, of a cool temperate forest, Japan (TP 2019)
https://academic.oup.com/treephys/article-abstract/40/3/367/5715053
Effects of long-term nitrogen addition and decreased precipitation on the fine root morphology and anatomy of the main tree species in a temperate forest (FEM 2020)
https://www.sciencedirect.com/science/article/pii/S037811271931206X
Effects of precipitation change on fine root morphology and dynamics at a global scale-A meta-analysis (2019)
https://www.nrcresearchpress.com/doi/abs/10.1139/CJSS-2018-0114#.XznOX-gzZPY