 |  |  |
| Tissue Culture Part I | Tissue Culture II | Tissue Culture III |
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| Pruning basics | Fall Pruning Tips #2 | Invisible Gardener Gone Wild 10 Natural tree care |
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| Winter Tree Care | how to collect a soil sample for analysis | Chain Saw Safety |
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| Phil Dirt talks about core aeration | Science introduction to Phototropism | Invisible Gardener Gone Wild 11 Natural Tree Care |
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| Water transport in plants | Plants Adaptations to Water | Plant Physiology: Respiration (Britannica.com) |
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| Plants: Photosynthesis (Britannica.com) |
