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Glufosinate-Ammonium Herbicide

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Glufosinate-Ammonium Herbicide

Name:Glufosinate ammonium
CAS No.:77182-82-2
Appearance:The original drug is a brown liquid
Molecular formula:C5H15N2O4P
Molecular Weight:198.1574
Melting point:210℃
Boiling point:519.1°C at 760 mmHg
Flash point:267.7°C
Vapor Pressure:3.61E-12mmHg at 25°C
Density:1.4 g/cm3
Water solubility:Soluble in water
Storage conditions:Keep in dark place, Inert atmosphere, 2-8°C
  • Product Details


Degradation and Residue

Glufosinate-ammonium can be rapidly degraded in soil by microbial degradation, producing 3-(methylphosphorylidene)propionic acid (MPP) and 2-(methylphosphorylidene)acetic acid (MPA) and releasing carbon dioxide. The leaching in most soils does not exceed 15 cm, and the soil available water content and soil oxygen content have a certain influence on the adsorption and degradation of glufosinate-ammonium. The degradation half-life (DT50) of glufosinate-ammonium is 4-10 days.

 

impact on soil

Glufosinate-ammonium can have a certain effect on some microorganisms in the soil. Different concentrations (0, 2, 4, 6, 8L/hm2) of glufosinate-ammonium on the number of soil microorganisms (bacteria, actinomycetes, fungi) and soil enzymes (catalase, phosphatase, urease, dehydrogenase) in wheat fields ) activity showed a trend of increasing first and then decreasing. When the application rate of glufosinate-ammonium was 6L/hm2, the total amount of microorganisms reached the highest. Among them, the number of bacteria and actinomycetes increased compared with the control, while the number of fungi did not change significantly. Under the low concentration (2, 4 and 6L/hm2) glufosinate-ammonium treatments, the tested soil enzyme activities all increased with the increase of glufosinate application rate, while under the high concentration (8L/hm2) glufosinate-ammonium treatment The enzymatic activity was inhibited.


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