Roger Timmis
3 publications by Roger Timmis:
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Effect Of Nutrient Stress On Growth Bud Set, And Hardiness In Douglas-Fir Seedlings
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Publication: National Nursery Proceedings - 1974
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Effects Of Container Density On Growth And Cold Hardiness Of Douglas-Fir Seedlings
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Publication: National Nursery Proceedings - 1974
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Cold-hardiness of Containerized Loblolly Pine Seedlings
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