Category:Tree improvement
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Media in category "Tree improvement"
The following 4 files are in this category, out of 4 total.
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At the multipurpose tree specie improvement project unit.jpg 1,080 × 810; 127 KB
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Forest tree improvement - annual report FY 1985 (IA foresttreeimprov00unit).pdf 637 × 822, 50 pages; 5.49 MB
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Tree races and forest tree improvement (IA treeracesforestt35rudo).pdf 1,060 × 1,460, 14 pages; 482 KB