| 1. | The sap flows about a month later than maple sap, and much faster.
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| 2. | Scientific studies were done with moisture, light, and sap flow sensors.
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| 3. | The clear sap flows into buckets made from folded birch bark.
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| 4. | The fragrant saps flow through laurel sumac all year to supply the leaves.
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| 5. | They inserted probes to measure sap flow speed and direction.
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| 6. | Traditional methods of observating hydraulic redistribution include Deuterium isotope traces, sap flow, and soil moisture.
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| 7. | The sap flows later in the season than maples.
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| 8. | The sap flows in miles of practical blue plastic tubing that runs from tree to tree.
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| 9. | Egg hatching of these treehoppers are tied in to the sap flow of their host plants.
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| 10. | When spring arrives too early the sap flows too short a time for a good harvest.
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