| 21. | In oilseed rape crop, usually requiring chemical control measures.
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| 22. | He gained worldwide recognition early, clarifying the role of chemical control processes in the brain.
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| 23. | "' Chemical control "'- The use of chemical control is widely available for agricultural purposes.
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| 24. | "' Chemical control "'- The use of chemical control is widely available for agricultural purposes.
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| 25. | There are also chemical controls available that can be used to eliminate adults and larvae.
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| 26. | Of the chemical controls, the CO2 drive is stronger than the O2 or pH drive.
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| 27. | Chemical control is possible through the use of fungicides.
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| 28. | Chemical controls, crop rotation, and soil sanitation have all proven rather ineffective at combatting the virus.
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| 29. | Uganda is reportedly keen on chemical control after much-touted-and expensive-mechanical harvesters failed to make an impact.
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| 30. | Chemical controls of herbicides and insecticides can be implemented and is the best form of control.
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