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  2. Roundup (herbicide) - Wikipedia

    en.wikipedia.org/wiki/Roundup_(herbicide)

    As agricultural spray adjuvants, surfactants may be pre-mixed into commercial formulations or they may be purchased separately and mixed on-site. [13] Polyethoxylated tallow amine (POEA) is a surfactant used in the original Roundup formulation and was commonly used in 2015. [14] Different versions of Roundup have included different percentages ...

  3. Aerial application - Wikipedia

    en.wikipedia.org/wiki/Aerial_application

    The specific spreading of fertilizer is also known as aerial topdressing in some countries. Many countries have severely limited aerial application of pesticides and other products because of environmental and public health hazards like spray drift ; most notably, the European Union banned it outright with a few highly restricted exceptions in ...

  4. Glyphosate - Wikipedia

    en.wikipedia.org/wiki/Glyphosate

    The percentage of POEA varies. A 1997 US government report said that Roundup is 15% POEA while Roundup Pro is 14.5%. [136] Since POEA is more toxic to fish and amphibians than glyphosate alone, POEA is not allowed in aquatic formulations. [137] [136] [138] As of 2000, at least 58 studies existed on the effects of Roundup on a range of organisms ...

  5. Pesticide application - Wikipedia

    en.wikipedia.org/wiki/Pesticide_application

    A manual backpack-type sprayer Space treatment against mosquitoes using a thermal fogger Grubbs Vocational College students spraying Irish potatoes. Pesticide application is the practical way in which pesticides (including herbicides, fungicides, insecticides, or nematode control agents) are delivered to their biological targets (e.g. pest organism, crop or other plant).

  6. Crop desiccation - Wikipedia

    en.wikipedia.org/wiki/Crop_desiccation

    Glyphosate (Roundup) is the principal pre-harvest systemic herbicide used for desiccation of a wide variety of crops. As a systemic herbicide it is not a true desiccant as it can take weeks rather than days for the crop to die back and dry out after application. [15] [19]

  7. Agricultural aircraft - Wikipedia

    en.wikipedia.org/wiki/Agricultural_aircraft

    The CA-28 was a crop spraying aircraft of the 1950s. Aerial spraying has been controversial since the 1960s, due to environmental concerns about pesticide drift (raised for example by Rachel Carson's book Silent Spring). It is now often subject to restrictions, for example spraying pesticide is generally banned in Sweden, although exceptions ...

  8. Agricultural spray adjuvant - Wikipedia

    en.wikipedia.org/wiki/Agricultural_spray_adjuvant

    Agricultural spray adjuvants do not reduce the amount of pesticide needed below the recommended use rate on a pesticide label. In fact, it is illegal to use a pesticide in the US outside of the instructions on the label, although FIFRA , the US law governing pesticide use, does allow for the use of pesticides at rates below the label, as long ...

  9. John E. Franz - Wikipedia

    en.wikipedia.org/wiki/John_E._Franz

    John E. Franz (born December 21, 1929) is an organic chemist who discovered the herbicide glyphosate while working at Monsanto Company in 1970. [1] The chemical became the active ingredient in Roundup, a broad-spectrum, post-emergence herbicide.

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