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Gas | Comments |
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GAS: Effect of Ethylene on Plants Indoors Gas ranges in the home may produce ethylene to injure opening buds; natural gas contains no ethylene but the burners on starting, for 17 seconds, and on stopping, for ten seconds, emit small amounts especially if they are automatically controlled. A67-901 | 0 |
GAS: From Approved Heaters in Greenhouse Heaters not vented to the outside will damage flowers even if declared safe to humans. OD72-221 | 0 |