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The herbicide takes effect quickly after application. It is registered in every US state. [6] It should be sprayed when the soil is well worked and dry, to allow good mixing and incorporation. It can be stored at temperatures as low as -50 °F. [7] It is not persistent in soil, having a half-life of about 6 days. [1]
As a herbicide, it was introduced in 1962, [2] and it quickly became the fourth most used herbicide in the US, with 28.5 million pounds (12.9 thousand tonnes) used in 1974. [4] Its use has declined significantly, to 15 million pounds (6.8 thousand tonnes) in 1991 to 950 thousand pounds (430 tonnes) by 1998.
By far the most frequently used products are formulations for mixing with water then applying as sprays. Water miscible, older formulations include: EC Emulsifiable concentrate; WP Wettable powder; SL Soluble (liquid) concentrate; SP Soluble powder; Newer, non-powdery formulations with reduced or no use of hazardous solvents and improved ...
Nufarm is listed on the Australian Stock Exchange (symbol NUF) and its head office is located at Laverton in Melbourne. [2] As at close on Friday 4 October 2019, its ordinary share capital was valued at AUD$6.49, implying a market capitalisation of AUD$2.45 billion.
MCPA (2-methyl-4-chlorophenoxyacetic acid) is a widely used phenoxy herbicide introduced in 1945. It selectively controls broad-leaf weeds in pasture and cereal crops . The mode of action of MCPA is as an auxin , which are growth hormones that naturally exist in plants.
144.5 °C (292.1 °F; 417.6 K) ... It is widely used as a herbicide and ... and take yourself any your family away from treated areas for at least the length of time ...
As described in the BASF patent, the key step in the preparation of saflufenacil involved the reaction between a substituted aniline and an oxazinone. 2-chloro-4-fluoro-5-aminobenzoic acid and 2-dimethylamino-4-(trifluoromethyl)-6H-1,3-oxazin-6-one were heated in acetic acid to form the ring systems of the herbicide in over 90% yield, with further standard chemical transformations to generate ...
The herbicide is usually applied to the soil in which the crop is growing, before the emergence of the weeds. [1] In the US it is applied almost exclusively in corn with annual use in 2018 about 600,000 pounds (270,000 kg). [12] The compound is often formulated in combination with the herbicide safener, cyprosulfamide. [13]