The factors that influenced Locustae's occurrence were hydrology conditions, vegetation types and coverage, farming systems, natural enemies and so on.
影响东亚飞蝗发生的环境因子主要有水文条件、植被种类以及植被覆盖度、耕作制度和天敌等因素。
2
It covers a series of subjects ranging from tea culture, tea art, tea history, botany, biology, agriculture, medicine, geography, hydrology, pottery, tea farming machinery to tea production.