We studied reflecting spectral change characteristics in the depth profile of major soils in Hunan province through fieldsampling and lab analysis.
通过野外采样和室内测定，研究了湖南省主要类型土壤反射光谱的剖面变化特性。
2
In the paper, emission of volatile sulfur gases from paddy soil was discussed in a growth period of paddy rice by constructing a fieldsampling system.
通过建立野外采样系统，对一个生长周期内水稻土释放的挥发性含硫气体进行了检测。
3
Through the research of comprehensive fieldsampling, sample analysis, helium content calculation and data processing and so on, we obtain the application technique.