In order to develop natural antibacterial agents, the antibacterial activity of Aspergillusnigerxj was investigated. After being cultured in potato dextrose liquid medium liquid medium, mycelia was under heating reflux extraction with 90% ethanol. Removal of ethanol under reduced pressure gave a...

On the basis of introducing the connotation of agricultural industrial chain, taking Yongle Town in Nanming District of Guiyang City as an example, this paper analyzes me advantages and constraint factors of the suburban villages and towns in the process of expanding agricultural industrial...

On the basis of expounding connotation and significance of expansion of agricultural industrial chain, coupled with the connotation of rural informatization connotation, this article analyses the role of rural informatiration in expanding agricultural industrial chain, it can enhance market...