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  2. Preemergent herbicide - Wikipedia

    en.wikipedia.org/wiki/Preemergent_herbicide

    A pre-emergence spray of herbicide being added onto a field of oilseed rape. Preemergent herbicides are a form of chemical weed control which prevent germinated weed seedlings from becoming established. In some areas of the world, they are used to prevent crabgrass from appearing in lawns. [1]

  3. 4-hydroxyphenylpyruvate dioxygenase inhibitor - Wikipedia

    en.wikipedia.org/wiki/4-hydroxyphenylpyruvate_di...

    In 1990 sulcotrione was introduced for post- emergence weed control in corn. Isoxaflutole opened the market more broadly for HPPD inhibitors when it was introduced in 1996 for corn and sugarcane, and for use as a pre-emergence herbicide that could control broadleaf weeds as did sulcotrione, but also

  4. Preemergence herbicides form the backbone of weed control programs. They do not control all weed seeds that may be present in a landscape, but they are effective for many of the most common weeds.

  5. Herbicide - Wikipedia

    en.wikipedia.org/wiki/Herbicide

    Crops grown in soil treated with a preplant herbicide include tomatoes, corn, soybeans, and strawberries. Soil fumigants like metam-sodium and dazomet are in use as preplant herbicides. [18] Preemergence: Preemergence herbicides are applied before the weed seedlings emerge through the soil surface. Herbicides do not prevent weeds from ...

  6. Pesticide application - Wikipedia

    en.wikipedia.org/wiki/Pesticide_application

    An example of pre-emergent pesticide application is atrazine application for corn. Similarly, glyphosate mixtures are often applied pre-emergent on agricultural fields to remove early-germinating weeds and prepare for subsequent crops. Pre-emergent application equipment often has large, wide tires designed to float on soft soil, minimizing both ...

  7. Weed management considerations for farmers during dry weather ...

    www.aol.com/weed-management-considerations...

    A layered residual strategy for the control of waterhemp is still recommended, especially where crops were planted early and preemergence herbicides are starting to decrease in concentration and ...

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