Browsing Institutt for plante og miljøvitenskap (IPM) by Author "Bratberg, Even"
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Norwegian Journal of Agricultural Sciences : Birch dieback - caused by prolonged early spring thaws and subsequent frost
Braathe, Peder (Journal issue, 1995)The dieback of yellow birch (Beula alleghaniensis Britton) and white birch (B. papyrifera Marsh) has from the middle thirties been a mystery in Eastern Canada and Northeast US. The extent was enormous, covering an area of ...