NEP, soil respiration, root respiration
NEP: Biometric method & NEP chamber method.
Biomass change: Harvesting Zoysia japonica biomass (above and below ground) once per month.
Soil respiration: Measuring soil respiration using a portable soil respiration system (LI-6400, LI-COR, Lincoln, NE, US) once per month.
Root respiration: Measuring root respiration using a root respiration system (LI-7000, LI-COR, Lincoln, NE, US) once per season.