防治适期 meaning in Chinese
suitable date for control
Examples
- Study on proper time and effective pesticides to control ustilaginoidea virens takahashi
稻曲病防治适期及防治药剂探讨 - Studies on life history and proper controlling period of ladybird skinner in nor th shaanxi
陕北马铃薯瓢虫生活年史及防治适期研究 - Developmental grade of pupae and eggs of white fly , aleurocanthus spiniferus , in relation to its optimum control period of the pest in tea garden
茶黑刺粉虱蛹和卵的发育分级及与其防治适期的相关性 - Exactly predicted serious occurrence and date of 3rd generation cotton bollworm moth and eggs appearence peak , based on occurrence date of 2nd generation bollworm , residual booworm after insecticide application , temperature and rainfall in 1995 . i suggested that a special attention should be paid to control optimum stage , optimum pesticide was selected , sciencial pesticide application method and agronomic measures was applied properly . in result , third generation bollworm was controlled effectively in xiangshu in 1995
根据95年二代棉铃虫的发生实况及防治之后的残留虫量，结合当时的气温和降水趋势，准确推算该年三代棉铃虫的大发生和蛾卵高峰的出现时间，指出需要抓住防治适期，选准对路农药品种和采用科学的施药方法以及农艺措施，很好地控制了三代棉铃虫的危害。 - There are several insect pests and diseases breaking out simultaneously in xiangshui county in 1998 while rice is in the ear . for integrated controlling these pests effectively as well as using less manpower and cost . we took such measures as taking account of all the major heading pests , selecting the appropriate insecticides and fungicides at the same time only once , which reaches the goal of overall - control pests . all of these measures are well received by local peasants
响水县98年水稻穗期多种虫害，病害并发、重发应采取的综合控制对策是在病虫害集中发生和防治适期内采取适当调佳用药时间，瞻前顾后，一药多用，多药合用，病虫兼治，主次突出，达到全面控制病虫害的目标，省工节本，深受群众的欢迎。