The occurrence rules of rice planthopper in rice field with cultural crab was ascertained through systemic investigation and field census. 通過(guò)系統調查和大田普查相結合的方法,研究明確了養蟹稻田稻飛虱的發(fā)生規律。
At present, all data collected through the census are under computer processing program, and the advance tabulation of major figures has been finished. 目前,普查全部資料正在用計算機進(jìn)行數據處理,主要數據的快速匯總工作已經(jīng)結束。