据测查,中华稻蝗90%以上卵块产在田埂及田边,且喜选择潮湿、松软,向阳、寄主丰富的砂壤土产卵。查卵时,铲起田埂、田边3cm 左右土层,放在孔洞小于蝗卵的竹篓或塑料料篓内,在水中淘洗,去掉浮在上面的杂草(注意杂草根部或其间夹有卵块),充分搅拌,稻蝗卵块将全部浮起或附在篓边,这就很易查清单位面积的蝗卵数量,比起筛土查卵、手工 According to the survey, more than 90% of Oxya chinensis Ovum is produced in Tianzhu and Tianbian, and Xi prefers to moist, soft, sunny and rich in sand loam soil. Check the eggs, shovel shovel, Tanabe 3cm soil layer on the hole less than the locust eggs in the bamboo basket or plastic basket, panning in the water, remove the weeds floating above (pay attention to weeds roots or folder Egg block), full mixing, rice grasshopper eggs will be all floating or attached to the edge of the basket, it is easy to ascertain the number of locust eggs per unit area,