A serious epidemic of Sphaeropsis sapinea in the Netherlands and the role of ammonium deposition as an epidemiological factor.

Jukuri

A serious epidemic of Sphaeropsis sapinea in the Netherlands and the role of ammonium deposition as an epidemiological factor.

de Kam, Martinus; van Dam, B. C.; Versteegen, C. M.; van Burg, J. (1990)

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