| Ecological engineering technology in rice to reduce crop losses due to brown planthopper outbreaks was conducted in farmer fields in 2012, at the rice community Huaikamin sub district, Nongkhae district, Saraburi province. These objectives were up scaling areas, a balance of the ecosystem in rice and decrease using chemicals protect to rice insect pests in rice farm, by have the method is flora on the bund and no chemicals protect to pest insect (ecological engineering site ; EE site) control site with the method of the farmer uses chemicals (control site). We collected the visual count and sweep net with EE site and control site rice insect pests. The most of Cnaphalocrocis medinalis (Guenee), Nephotettix virescens (Distant) respectively, nature enemies... |
