The simazine tolerance of selected poplar clones.
By: F. W. von Althen.
Publisher: s.n
Published: 1977
Place of publication: S.l
Notes: In D. C. F. Fayle, L. Zsuffa and H. W. Anderson (eds). Proc. No. Am. Poplar Council Ann. Meeting. Poplar Research, Management and Utilization in Canada. Ministry of Nat. Resources. For. Res. Inf. paper No. 102. 9pp.

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