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  1. Cultural Immersion Projects

    https://ohio4h.org/families/just-teens/cultural-immersion-projects

    in it! Ohio 4-H has several cultural immersion project opportunities for teens. Each location has ... engage in a cross-cultural and agricultural career field exploration program about ag ...

  2. Camera Obscura (Pinhole Camera)

    https://ohio4h.org/camera-obscura

    (INTERMEDIATE to ADVANCED level) |  PDF for PRINTING NOTE: It is never safe to look at the sun without proper ... people around the world will travel to see a total solar eclipse. However, it is important to remember ... reversed (left-to-right) image of the eclipse onto the cardboard so you can safely view it. But how do ...

  3. Small Moon, Big Sun 1

    https://ohio4h.org/small-moon-big-sun-beginning

    event that occurs when the moon completely covers the sun, temporarily blocking out its light. As total ... and animals could behave as if it were nighttime. But we know the moon is smaller than the sun, so how ... and Earth and the moon. When we look at an everyday item and hold it closer to our eyes, it will ...

  4. Drones for Spraying Pesticides—Opportunities and Challenges

    https://ohioline.osu.edu/factsheet/fabe-540

    applicators. It should be noted that dry crop-protection products, including biological pesticides and dry ... were over 200,000 agricultural-drone pilots. In contrast, drone spraying is in its infancy in the ... in Japan in 1997, the Yamaha RMax drone looks like a small helicopter (Figure 1). It has a single ...

  5. Assistive Technology for the Farm

    https://ohioline.osu.edu/factsheet/AEX-983.2-11

    foot pads, shoe inserts Assistive Technology Preventing Secondary Injuries Farming with limitations or ... but can also assist in the prevention of secondary injuries. In simple terms, secondary injuries can ... and process modification and prevention of secondary injuries. AgrAbility staff can make referrals to ...

  6. Cedar-Apple Rust

    https://ohioline.osu.edu/factsheet/plpath-tree-10

    redcedar and other juniper species, which allows it to withstand cold temperatures and reinfect neighboring ... Gymnosporangium juniperi-virginianae. It infects members of the Rosaceae and Cupressaceae families, primarily ... and juniper as ornamental plants in landscapes. Although cedar-apple rust is typically a non-injurious ...

  7. Soil Phosphorus and Crop Response to Phosphorus Fertilizer in Ohio

    https://ohioline.osu.edu/factsheet/anr-0146

    (ATP), which is an energy currency. It is also part of deoxyribonucleic acid (DNA) and ribonucleic acid ... to primary and secondary minerals, and a proportion of it can be bound to clay. Organic and inorganic ... P source such as crop residue is added to soil, it can be immobilized or mineralized based on the ...

  8. Invasive Species Management: Common and Japanese Barberry

    https://ohioline.osu.edu/factsheet/anr-0106

    and landscape managers to be able to identify it, manage it, and prevent its spread into natural and ... and its primary, first stage host, the white-footed mouse (Linske et al. 2018). A multi-year study ... instructions on pesticide labels to prevent injury. The label is the law. You are required to read, follow, and ...

  9. Selecting, Storing, and Serving Ohio Pears

    https://ohioline.osu.edu/factsheet/HYG-5526

    HYG-5526 Family and Consumer Sciences 07/30/2021 Revised 2021: Abigail Snyder, Food Safety Field ... volunteer. Selection A pear should feel firm when purchased and gradually becomes less firm as it ripens.  ... Select pears that are free from bruises or injury to the skin. Color is the best indicator of ripeness. ...

  10. Small Moon, Big Sun 3

    https://ohio4h.org/small-moon-big-sun-advanced

    occurs when the moon completely covers the sun, temporarily blocking out its light. As total darkness ... animals could behave as if it were nighttime. But we know the moon is smaller than the sun, so how does ... distance (length) in inches from the masking tape to the plate (Lp) and write it in the first row of a copy ...

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