实验结果表明：改进的汉普仪法测土壤中氧气百分含量，操作简单，能够满足现场测定，可以通过干洁空气为标准气体进行误差校正。
Experimental results showed : Industry oxygen can measure soil oxygen content percent meet the site measurement , ready to measure air as gas calibration standards .
干洁空气