| 11. | Given these conditions, there is usually no need to fertilize.
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| 12. | Frequent supplemental fertilizing is helpful, because plumerias are heavy feeders.
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| 13. | Return, for a moment, to the fertilized chicken egg.
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| 14. | Keep the plants watered and fertilize regularly; stake taller varieties.
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| 15. | The eggs were fertilized by injecting each with a single sperm.
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| 16. | Each of the three choices regarding unused fertilized eggs has drawbacks.
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| 17. | At Engelmann, each pot is planted and fertilized by hand.
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| 18. | Their eggs can turn into embryos without being fertilized by sperm.
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| 19. | Begin fertilizing after the bush has produced its second bloom cycle.
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| 20. | Begin fertilizing after a bush has produced its second bloom cycle.
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