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  1. Sustainable Aquaponics

    https://southcenters.osu.edu/aquaculture/research/sustainable-aquaponics

    most businesses producing tilapia. The low-value, high-energy cost, and competition from imports have ... high-value breeds and species (fish and plant) that use less energy to produce and are more tightly linked in ... produce and test fast-growing and stress/disease tolerant fish strains for developing novel aquaponic ...

  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 ... sun during a total solar eclipse. A total solar eclipse occurs when the moon passes between the sun ... tracing paper should be between the tubes. The aluminum foil should face out. Using the pushpin, gently ...

  3. Solar Eclipse Shadow Play

    https://ohio4h.org/solar-eclipse-shadow-play

    ADVANCED level) |  PDF for PRINTING When a total solar eclipse occurs, some places will be completely engulfed in ... Point light source       Extended light source         Differences in shadows between a point light ... distinguish between the rays coming from the two sources. In Figure 1, light rays from both sources are ...

  4. Garden Art Series: Holiday Containers

    https://mahoning.osu.edu/events/garden-art-series-holiday-containers-1

    your holiday designs.  Leave soil in the pot and cut off plants, do not dig. This will help the design ...

  5. Small Moon, Big Sun 1

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

    a small moon cover the big sun during an eclipse? The answer is in the distance between Earth and the sun ... evidence to decide what will happen next. ratio. A number that shows the relationship between two amounts. ...

  6. Garden Art Series

    https://mahoning.osu.edu/program-areas/master-gardener-volunteers/garden-art-series

    class to get a leg up on your holiday designs.  Leave soil in the pot and cut off plants, do not dig. ...

  7. 2024 Ohio Youth Poultry Clinic

    https://ohio4h.org/events/2024-ohio-youth-poultry-clinic

    Schedule Overview.   Topics: (50-minute sessions) Poultry Nutrition, Slaughter, Quality Assurance (60 min, ...

  8. Poultry

    https://wayne.osu.edu/poultry

    c heck our  Skillathon page  for more information. August 20th - Turkey Blood Testing-  Sheep/Goat Arena ... and Record Book (150)  - Are you interested in raising chickens, ducks, geese, turkeys, or guineas? ... Books- For Reference ONLY Every 4-H member must purchase and utilize the new 150 Poultry record book. The ...

  9. Mahoning County Master Gardeners Diagnostic Clinic

    https://mahoning.osu.edu/program-areas/master-gardener-volunteers/mahoning-county-master-gardeners-diagnostic-clinic

    Testing Bring one cup of DRY soil in a brown bag or ziplock bag to our office for soil testing. The cost ... is just $20.00. We will prepare and mail your soil to be tested, results are mailed directly to you. ... lawn, or garden area. Soil testing is important. Get the information you need and the forms you need to ...

  10. Calendar of events

    https://ohio4h.org/january-2024/calendar-events

    include a 50/50 raffle and card games and refreshments will be available. All donations will benefit the ... for its third annual reverse raffle. Tickets are $50 and a meal and drinks are included. Guests must ... players in the club level of Huntington Stadium after the conclusion of the game. Tickets are $17 each and ...

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