活动: ECHO 2015 Asia Biopest Control Workshop (2015-01-28)
Learning about pest control - applying BT (Bacillus thuringiensis) and BS (Bacillus subtilis); demonstration on creating natural pesticides from herbs.
活动: ECHO 2015 Asia Biopest Control Workshop (2015-01-28)
Learning about pest control - applying BT (Bacillus thuringiensis) and BS (Bacillus subtilis); demonstration on creating natural pesticides from herbs.