The relationship between the proportion of manure derived nitrogen to total fertilizer and NUE. Open symbols represent four dairy farms that were researched. There was a significant positive correlation (P < 0.005).

 
  Part of: Sato H, Uchida Y (2023) Different manure management methods impact on nitrogen use efficiency - comparison of four dairy farms in Hokkaido Japan. ARPHA Conference Abstracts 6: e107926. https://doi.org/10.3897/aca.6.e107926