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搜索结果: 1-4 共查到林业工程 Quercus robur L.相关记录4条 . 查询时间(0.052 秒)
Two adult oak tree groups in northern Serbia, differing in degree of decline, were studied. Measurements of pre-dawn water potential (PWP), nutrient status and radial growth were performed and compare...
In Slovenia, the plant species diversity on 225 research plots dominated by pedunculate oak (Quercus robur L.) and by sessile oak (Quercus petraea (Matt.) Liebl.) has been analysed. Plots of Q. robur ...
Permanent research plotting a crown defoliation survey on pedunculate oak was performed from 1995-2000 every August and included 192 grown trees in every year. On average from 1995 to 2000 conditions ...
In the last decade in Prekmurje, there has been a noticeable decline and physiologically weakening of the pedunculate oak (Quercus robur L.) because of dry climate, unfavourable precipitation patterns...

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