搜索结果: 1-15 共查到“植物保护学 4月份”相关记录52条 . 查询时间(0.1 秒)
3月份苹果树如何防治病虫害？（图）
3月份 苹果树 病虫害 防治方法
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2024/3/15
3月份，是苹果树病虫害防治的最有利时机，可以大大降低病虫害发生基数，减轻全年的防治压力，减少后期喷药次数，提高防治效果。
美国杂草科学学会2005年度4月份时事通讯
美国杂草科学学会 2005年度 4月份 时事通讯
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2015/12/21
Hopefully everyone returned home safe and sound
after the annual meeting in Hawaii. The final registration number was 770: 544 members, 217 spouses and 9
one-day registrants. This is one of the best...
欧洲杂草学会2015年10月份时事通讯
欧洲杂草学会 2015年 10月份 时事通讯
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2015/12/17
The election process for the Board member position – VICE PRESIDENT was conducted according to
EWRS Constitution. The elections 2015 for renewal of the EWRS Board function of the Vice-President
st...
欧洲杂草学会2015年7月份时事通讯
欧洲杂草学会 2015年 7月份 时事通讯
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2015/12/17
EWRS SciCom will hold a strategic meeting in November 2015 to discuss goals and visions of Working
Groups and think about the WG-structures. The meeting will take place in Nyon, Switzerland from 15....
欧洲杂草学会2015年4月份时事通讯
欧洲杂草学会 2015年 4月份 时事通讯
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2015/12/17
George Cussans died on 18th February 2015, aged 79, after a sudden heart attack. Although not in the
best of health he was looking forward to celebrating his 80th birthday later this year. Sadly, it...
欧洲杂草学会2015年1月份时事通讯
欧洲杂草学会 2015年 1月份 时事通讯
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2015/12/17
UWA is a science-focused university, and internationally renowned for our excellence in teaching and
research. UWA is rated above world standard in 38 fields of research, and 79% of these are a scie...
欧洲杂草学会2014年10月份时事通讯
欧洲杂草学会 2014年 10月份 时事通讯
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2015/12/17
Another very important matter for me is to leave the Dutch legislation behind if this is causing this
situation where only few people are able to understand the finances of the EWRS. For example loc...