Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- adjective Preventing the
germination ofseeds byinhibiting an importantenzyme .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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To have the least impact on the environment, try applying vinegar for safe, instant knockdown and corn gluten powder for a preemergent weed killer in spring and fall.
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Some fertilizers include preemergent weed killers.
Weekend Project: Overseed now for a lush lawn in spring 2009
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Some fertilizers include preemergent weed killers.
Weekend Project: Overseed now for a lush lawn in spring 2009
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This is the time to apply the preemergent to your lawns to avoid crabgrass.
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According to Howatt, PrePare, a preemergent, plus a post herbicide later works well on wild oats.
unknown title 2009
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Out in the landscape this may not be a huge problem: Those hulls are toxic and provide a natural preemergent herbicide, notes Griffith.
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According to Howatt, PrePare, a preemergent, plus a post herbicide later works well on wild oats.
unknown title 2009
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Out in the landscape this may not be a huge problem: Those hulls are toxic and provide a natural preemergent herbicide, notes Griffith.
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In grapes, apply preemergent treatments as close to rainfall as possible, otherwise consider irrigation as a source of herbicide activation.
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Sunlight degrades preemergent herbicides from the soil surface if it not activated by water and moved into the soil soon after application.
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