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  2. Mechanical weed control - Wikipedia

    en.wikipedia.org/wiki/Mechanical_weed_control

    Tillage is able to control weeds because when the soil is overturned, the vegetative parts of the plants are damaged and the root systems are exposed causing desiccation. [8] Generally, the younger the weed is, the more readily it can be controlled with tillage. [6] To control mature perennial weeds, repeated tillage is necessary.

  3. Soil contamination - Wikipedia

    en.wikipedia.org/wiki/Soil_contamination

    Scientific studies, based on over 1000 samples from various sampling points, could not trace the source to fly ash and any sources from thermal power plants or industry as originally alleged. The study also revealed that the uranium concentration in ground water of Malwa district is not 60 times the WHO limits, but only 50% above the WHO limit ...

  4. Fly-killing device - Wikipedia

    en.wikipedia.org/wiki/Fly-killing_device

    A glue board is a capture device with a strong adhesive. A small card covered in sticky adhesive is situated in an enclosure so that when the flies come into contact with it, they stick to it and die. A reusable glue board may be renewed through the use of vegetable oil, and then the removal of the oil with dishwashing detergent and a rinse of ...

  5. Coal combustion products - Wikipedia

    en.wikipedia.org/wiki/Coal_combustion_products

    Photomicrograph made with a scanning electron microscope and back-scatter detector: cross section of fly ash particles. Fly ash, flue ash, coal ash, or pulverised fuel ash (in the UK)—plurale tantum: coal combustion residuals (CCRs)—is a coal combustion product that is composed of the particulates that are driven out of coal-fired boilers together with the flue gases.

  6. Brushcutter (garden tool) - Wikipedia

    en.wikipedia.org/wiki/Brushcutter_(garden_tool)

    A brushcutter (also called a brush saw, clearing saw or gasoline goat) is a powered garden or agricultural tool used to trim weeds, small trees, and other foliage not accessible by a lawn mower or rotary mower. Various blades or trimmer heads can be attached to the machine for specific applications. It consists of: A power unit held close to ...

  7. Is Wood Ash Good for the Garden? 5 Tips for Using This ... - AOL

    www.aol.com/wood-ash-good-garden-5-164600561.html

    Wood ash has a high pH, usually around 10 to 12, says Chelsea McKinley, plant health specialist at the U.S. Botanic Garden in Washington, D.C. Most plants prefer a soil pH of around 6.5.

  8. Autonomous robot uses machine learning and a laser to zap weeds

    www.aol.com/entertainment/autonomous-robot-uses...

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  9. String trimmer - Wikipedia

    en.wikipedia.org/wiki/String_trimmer

    A string trimmer, also known by the portmanteau strimmer and the trademarks Weedwacker, Weed Eater and Whipper Snipper, [1] [a] is a garden power tool for cutting grass, small weeds, and groundcover. It uses a whirling monofilament line instead of a blade, which protrudes from a rotating spindle at the end of a long shaft topped by a gasoline ...

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