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2,4-DB or 4-(2,4-dichlorophenoxy)butyric acid is a selective systemic phenoxy herbicide used to control many annual and perennial broad-leaf weeds in alfalfa, peanuts, soybeans, and other crops. Its active metabolite , 2,4-D , inhibits growth at the tips of stems and roots.
2,4-Dichlorophenoxyacetic acid is an organic compound with the chemical formula Cl 2 C 6 H 3 OCH 2 CO 2 H.It is usually referred to by its ISO common name 2,4-D. [4] It is a systemic herbicide that kills most broadleaf weeds by causing uncontrolled growth, but most grasses such as cereals, lawn turf, and grassland are relatively unaffected.
The Aston Martin DB2/4 is a grand tourer produced by Aston Martin from 1953 until 1957. It was available as a 2+2 hatchback saloon, drophead coupé (DHC) and 2-seat fixed-head coupé. A small number of Bertone bodied spiders and a coupé were commissioned by American businessman Stanley H. Arnolt II .
The other auxin now used in comparable amounts to 2,4-D is dicamba, where the 2019 figure was 30,000,000 pounds (14,000,000 kg). [7] It is a benzoic acid rather than a phenoxyacetic acid whose use has grown rapidly since 2016 as crops genetically modified to be resistant to it have been cultivated.
On September 12, 2007, Engine Developments announced their plans for a replacement for the XV675, termed the DB. Although it retained the 3.4-litre engine capacity, the unit was entirely new. Judd planned to work closely with a top LMP2 team in order to get better testing out of the DB in 2008 before the engine was released to any customers. [ 38 ]
The DB 2/4 Mark III (normally simply called DB Mark III, even at the time of its introduction) is a grand tourer sold by Aston Martin from 1957 until 1959. It was an evolution of the DB2/4 Mark II model it replaced, using an evolution of that car's W.O. Bentley-designed 2.9 L (2922 cc/178 in³) Lagonda straight-6 engine, redesigned by Tadek Marek.
ex DR/DB 112.1 Regional services ex DB 112 Regional services Retired, High speed bogies ex DB 112 Regional services Converted to DB 110 114: ex DR/DB 112.0 ex DR 212.0 Regional services 114.1 114.3: ex DB 143 ex DR 243 Regional services Conversion to higher velocities in planning (115) ex DB 110 ex DB 113 DB-Autozug (motorrail train)
4 2 [46] 171/8: 12 3 [46] 377/1: Electrostar: DC electric 100 160 39 4 ... 4 DB Cargo UK: Coal MJA - Open 8 GB Railfreight: General goods MLA - Open 8 GB Railfreight ...