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- Title: Occurrence Rule and Control Measure of Main Diseases and Insect Pests on Liriope spicata(Thunb)Lour. 关键词:湖北麦冬;病虫害;发生规律;防治措施
- Occurrence Rule and Control Measure of Main Diseases and Insect Pests on Liriope spicata(Thunb)Lour. 与相似的文献。
- The gas occurrence rule is the techno-basement of the study on the gas emission rule and gas harm harness. 煤层瓦斯赋存状态是研究矿井瓦斯涌出规律和瓦斯灾害防治的技术基础。
- A meticulous observation on the biology and occurrence rule of Pachynematus itoi Okutani was conducted in Dunhua City, Jilin Province. 对伊藤厚丝叶蜂生物学、发生规律等方面进行了较为细致的研究。结果表明,伊藤厚丝叶蜂在吉林省1年3代,以预蛹在落叶层下越冬。
- Based on the analysis and conclusion of the occurrence rule and influential factors, the integrated control strategy of giving priority to agriculture, supplemented by other control was put forward. 通过对油菜菌核病的发生流行规律及影响因素进行分析和总结,提出了以农业防治为主,其它防治为辅的综合防治策略。
- The occurrence rules of rice planthopper in rice field with cultural crab was ascertained through systemic investigation and field census. 通过系统调查和大田普查相结合的方法,研究明确了养蟹稻田稻飞虱的发生规律。
- Occurrence Rule and Precaution of Wheat Midge 小麦吸浆虫的发生规律及防治
- Occurrence Rule and Controlling Measure of False Smut of Rice Plant 水稻稻曲病的发生规律与防治
- Riots are of frequent occurrence in this province. 这省经常发生骚乱。
- Occurrence Rule and Integrated Controlling of White Fly in Hothouse 温室白粉虱的发生规律及无公害综合防治对策
- Robbery is now an everyday occurrence. 抢劫的事现在每天都有。
- The Ching court began to feel its rule threatened. 清廷开始感到自己的统治受到了威胁。
- His remark shadowed forth some future occurrence. 他的话预示了今后要发生的事。
- But this does not rule out unofficial discussions. 但这并不排除进行非正式的讨论。
- The rule is inapplicable to this occasion. 那规则对这一场合不适用。
- Divorce has become an everyday occurrence. 离婚已成为每天都有的事了。
- It is more a made-up story than a real occurrence. 那是杜撰的故事,而不是真实发生的事情。
- I did the calculation by the rule of three. 我是根据比例运算法则计算出来的。
- An eclipse is an unusual occurrence. 蚀是不常见的事情。
- It is up to the courts to rule on this matter. 这得靠法院对这事作出裁决。