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  2. S-Ethyl dipropylthiocarbamate - Wikipedia

    en.wikipedia.org/wiki/S-Ethyl_dipropylthiocarbamate

    S-Ethyl dipropylthiocarbamate (EPTC) is a selective herbicide used for pre-emergent control of certain grasses and broadleaf weeds in Australia and the United States. [3] [4] It was introduced in 1957. [5] EPTC can be applied pre-emergently or post-emergently and its effectiveness does not depend on post-application rainfall.

  3. Pesticide formulation - Wikipedia

    en.wikipedia.org/wiki/Pesticide_formulation

    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 ...

  4. Preemergent herbicide - Wikipedia

    en.wikipedia.org/wiki/Preemergent_herbicide

    To prevent growth of crabgrass, preemergent herbicides must be applied at a critical time. If they are applied to the soil too early, they get washed too deep into the soil or washed away by rainwater. If they are applied too late, the key enzyme inhibited is no longer active. The best control requires a second application about 6–8 weeks later.

  5. Nufarm - Wikipedia

    en.wikipedia.org/wiki/Nufarm

    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.

  6. HRAC classification - Wikipedia

    en.wikipedia.org/wiki/HRAC_classification

    The Herbicide Resistance Action Committee (HRAC) classifies herbicides by their mode of action (MoA) to provide a uniform way for farmers and growers to identify the agents they use and better manage pesticide resistance around the world. [1] [2] It is run by CropLife International [3] in conjunction with the Weed Science Society of America ...

  7. Blend time - Wikipedia

    en.wikipedia.org/wiki/Blend_time

    Blend time, sometimes termed mixing time, is the time to achieve a predefined level of homogeneity of a tracer in a mixing vessel. Blend time is an important parameter to evaluate the mixing efficiency of mixing devices. [1] In order to make this definition valid, the tracer should be in the same physical phase (e.g. liquid) as the bulk material.

  8. Mixing time - Wikipedia

    en.wikipedia.org/wiki/Mixing_time

    Mixing time may refer to: Blend time, the time to achieve a predefined level of homogeneity of a flow tracer in a mixing vessel; Mixing (mathematics) ...

  9. Herbicide - Wikipedia

    en.wikipedia.org/wiki/Herbicide

    One major complication to the use of herbicides for weed control is the ability of plants to evolve herbicide resistance, rendering the herbicides ineffective against target plants. Out of 31 known herbicide modes of action, weeds have evolved resistance to 21. 268 plant species are known to have evolved herbicide resistance at least once. [59]

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