Pre-emergent Pesticides are applied when?

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Multiple Choice

Pre-emergent Pesticides are applied when?

Explanation:
Pre-emergent pesticides are designed to stop weeds from germinating by forming a protective barrier in the topsoil. They must be in place before seeds begin to germinate so the product can act as the seedlings try to emerge. Once seeds have germinated, these products won’t stop the already-sprouted weeds, and applying them during growth or after harvest won’t control the weeds either. They often require soil moisture to activate and may need light irrigation or incorporation after application. So the timing that matches their purpose is to apply before seed germination.

Pre-emergent pesticides are designed to stop weeds from germinating by forming a protective barrier in the topsoil. They must be in place before seeds begin to germinate so the product can act as the seedlings try to emerge. Once seeds have germinated, these products won’t stop the already-sprouted weeds, and applying them during growth or after harvest won’t control the weeds either. They often require soil moisture to activate and may need light irrigation or incorporation after application. So the timing that matches their purpose is to apply before seed germination.

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