土壤残留 meaning in Chinese

pedo relict

The study on sensitivity and remain of sulfonyluerea herbicides to maize varieties
玉米对磺酰脲类除草剂敏感性及土壤残留的研究
As for western mountainous area of beijing , the key factor of survival lies in whether it can stand the drought environment factors , such as less rainfall , higher air temperature , lower humidity and less soil water , etc
就北京西部山区而言，林分存活与否的关键在于其是否能够经受住春季降雨少、气温高、湿度低、土壤残留水分少等干旱环境的考验。