Nformal Group D
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چکیده
TOPIC 1 when viewing the activities of forest managers. It was pointed out that foresters engaged in seed procurenlent What can we achieve through tree hp-ovemaent? and seedling distribution not in'requently jeopardize (Papers by J . W . Wright and Robert E. Farmer.) Distheir own programs by ignoring common knowledge recussion Leader, Hans Nienstaedt, North Central Forest garding the adaptation of seed sources and seed zoning. Experiment Station, USDA Forest Service, Rhinelander, Wisconsin. The breeders of crop plants rely on the fanners for much of their testing in production situations. Tree breeders should do the same and would find industry
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