As in those works, a Microtector II 6460 (GfG Instrumentation, Ann Arbor, MI, USA) was used to analyze carbon dioxide (CO2) and methane (CH4) by infrared sensors and NO by an electrochemical sensor. CO2 had a detection limit of 0.1%, CH4 of 0.005% (0.1% of the Lower Explosive ...
To combat rocky desertification and alleviate poverty, the Chinese government launched the nationwide Grain for Green pattern (GfG) in 1999 to return farmland to plantations and grasslands. Over the past two decades, this project has restored most of the degraded land in the region through natural...