Using meteorological data and mathematical statistics analysis,we take Jungar Banner in the northern farming-pastoral region of China for example,to analyze the
On the basis of the analysis of main problems existing in current agricultural meteorological service in China,for the purpose of exploring a solution to the "l
To estimate the leaf area index(LAI)in large areas,this paper analyzes the relationships between normalized difference vegetation index(NDVI)and the grassland L
Survey on fertility of tea garden soil in Meizhou region indicates that tea garden soil has strong acidity; organic matter content remains at medium level; ther
In order to analyze the improvement of fish resource,the trawl net and gill net were used in the background survey and investigation in the artificial reef area