Open access
Aug 2026
The reduction of nitrogen fertilizer combined with humic acid application improves potato yield by modulating soil microbial community structure in arid and semi-arid regions
Introduction Humic acid is a biostimulant with considerable potential to reduce nitrogen (N) fertilizer input and improve fertilizer use efficiency. However, the mechanisms by which it regulates soil nutrient supply, N utilization, and yield formation in potato remain unclear. Methods A single-site, single-season field...
Meirong Wang, Peng Liu, Zhihui Shang et al.
· Frontiers in Plant Science · 0 citations