Abstract: The field experiment and instrument analysis method to study the trace element selenium compound fertilizer influence and the yield and selenium content of peanut in Hepu of Beihai.The results showed that:in the flowering period and flowering period of peanuts,sprayed the Selenium enriched fertilizer,could significantly increase the content of peanut selenium.Selenium content increased with the frequency of spraying,the selenium content is 1.031 μg/g,improved more than times of conventional control.In the meanwhile,the yields was increased six percent.It can make the selenium content in selenium enriched standard to peanut by sprayed Selenium enriched fertilizer.

Key words: selenium enrichment, peanut, quality