The average concentrations for PH3 fumigation treatments at 1.66mgL−1 PH3 and 12% CO2 for 16 h were 2.19 and 1.47mgL−1 at the start and end of treatments for PH3, 15.11% and 15.49% for CO2, and 17.63% and 17.21% for oxygen,
and treatments at 2.29mgL−1 PH3 for 2 d were 3.15 and 2.06mgL−1 for PH3, and treatments at 1.83mgL−1 PH3 for 3 d were 2.42 and 1.59mgL−1 for PH3