[Objective] The paper was to explore the effects of plant secondary metabolite on protective enzymes and detoxification enzymes of quarantine pest Frankliniella
[Objective] The aim was to study the driving forces of rocky desertification in Guizhou Province. [Method] Based on GIS and RS technology, the main driving forc
[Objective] The aim was to analyze the causes of low-temperature rain and snow disasters in 2008.[Method] Based on the basic meteorological observation data,a p