Explore the archive of Brown planthopper egg predator and a roll every week. Once a week can be divided into two types of surveys is to pounce with swing and counts with the eyes at the Kor Bishop rice.
Explore storage BPH nymphs and egg roll every week 1 time per week, divided into 2 categories, the survey is to fly with swing and visually counting the root clump of rice.
Survey data of Brown Planthopper and cigars predators eggs every week, a week 1 times โดยแบ่ง survey is 2 type is hover with swing and count with eyes at the base of the clump of rice.