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Canada Thistle (Cirsum arvense)

https://pested.osu.edu/node/397

meadows. It can also be found in clay to gravely soils. Leaves: 3-8 inches long, alternate with spiny, ... prevents the coexistence of other plant species through shading, competition for soil resources, and ...

Ask a Master Gardener Volunteer

https://extension.osu.edu/https%3A/extension.osu.edu/ask-an-expert/ask-master-gardener-volunteer

a response will be emailed directly to you. Please read our Frequently Asked Questions (FAQs) before posting ...

Low-pressure Piping in Onsite Wastewater Treatment Systems for Ohio (PDF)

https://extensionpubs.osu.edu/low-pressure-piping-in-onsite-wastewater-treatment-systems-for-ohio-pdf/

Most soil treatment systems depend on gravity to distribute wastewater out into lateral trenches. ... entire soil treatment areas. The discussions on design and construction are intended to enable engineers, ... soil scientists, sanitarians, and installers to design, construct, and inspect low-pressure piping ...

April 10, 2024- New Applicator Training- Webinar

https://pested.osu.edu/events/april-10-2024-new-applicator-training-webinar

provides an overview of pesticide safety information. Unlike our in-person program, virtual training does ... New Applicator classes. If you need recertification credits, please attend one of our online ... permitted to make 6c applications. 8- Turf- The application of pesticides to lawns, turf, sod, or to soil ...