Glyphosate (N-(phosphonomethyl)glycine) is a broad-spectrum systemic herbicide and crop desiccant. It is an organophosphorus compound, specifically a phosphonate. It is used to kill weeds, especially annual broadleaf weeds and grasses that compete with crops. It was discovered to be an herbicide by Monsanto chemist John E. Franz in 1970.

   Glyphosate is absorbed through the stems and leaves to the various parts of the plant can be controlled monocotyledons and dicotyledonous, annual and perennial, herbaceous and shrubs and other plants more than 40 subjects. 
  Glyphosate soon after combined with the soil and iron, aluminum and other metal ions, and then lose activity in the soil,without adverse effects to the seed in the soil and soil micro-organisms .
  Control weeds for apple, orchard, vineyard, pear, tea garden, mulberry orchard and farmland, such as barnyardgrass, foxtail, Eleusine indica, crabgrass, cocklebur, quinoa, wilt, Galium aparine and other annual Weeds.
  Glyphosate exposure to green tissue only after killing effect. As a variety of weed on the sensitivity of glyphosate is different, and therefore the dosage is also different.