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  2. Glyphosate - Wikipedia

    en.wikipedia.org/wiki/Glyphosate

    Glyphosate adsorption to soil, and later release from soil, varies depending on the kind of soil. [ 96 ] [ 97 ] Glyphosate is generally less persistent in water than in soil, with 12- to 60-day persistence observed in Canadian ponds, although persistence of over a year has been recorded in the sediments of American ponds. [ 93 ]

  3. Trifluralin - Wikipedia

    en.wikipedia.org/wiki/Trifluralin

    Trifluralin is a common pre-emergent selective herbicide, a dinitroaniline.With about 14 million pounds (6,400 t) used in the United States in 2001, [3] and 3–7 million pounds (1,400–3,200 t) in 2012, [4] it is one of the most widely used herbicides.

  4. Metsulfuron-methyl - Wikipedia

    en.wikipedia.org/wiki/Metsulfuron-methyl

    Metsulfuron-methyl is an organic compound classified as a sulfonylurea herbicide, which kills broadleaf weeds and some annual grasses. [1] It is a systemic compound with foliar and soil activity, that inhibits cell division in shoots and roots. It has residual activity in soils, allowing it to be used infrequently but requiring up to 22 months ...

  5. Glyphosate-based herbicides - Wikipedia

    en.wikipedia.org/wiki/Glyphosate-based_herbicides

    The glyphosate-based herbicide RoundUp (styled: Roundup) was developed in the 1970s by Monsanto. Glyphosate was first registered for use in the U.S. in 1974. [4] Glyphosate-based herbicides were initially used in a similar way to paraquat and diquat, as non-selective herbicides. Attempts were made to apply them to row crops, but problems with ...

  6. Imazapyr - Wikipedia

    en.wikipedia.org/wiki/Imazapyr

    Imazapyr is a non-selective herbicide used for the control of a broad range of weeds including terrestrial annual and perennial grasses and broadleaved herbs, woody species, and riparian and emergent aquatic species. [1] It is used to control annual and perennial grass and broadleaved weeds, brush, vines and many deciduous trees.

  7. MCPA - Wikipedia

    en.wikipedia.org/wiki/MCPA

    MCPA herbicide is usually sprayed to the soil surface and plant leaves in its water solution, sometimes with additional surfactant. MCPA in soil can be absorbed by plant roots, and translocated in phloem to leaves and stems. The MCPA residue left in soil typically has a half-life of 24 days. [15]

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