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Camera Obscura (Pinhole Camera)
https://ohio4h.org/camera-obscura
Using Your Camera Obscura NOTE: Our eyes need time to get used to the darkness of the camera obscura. ... a screen, such as the tracing paper. To understand how camera obscuras work, think about how our eyes work ... Because our simple cardboard tube device does not have the same ability to focus light that our eyes do, ...
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2023 Midwest Vegetable Production Guide for Commercial Growers
https://extensionpubs.osu.edu/2023-midwest-vegetable-production-guide-for-commercial-growers/
a summary of currently suggested fertility, cultural, and pest management techniques and tools for ...
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Current 2024 US Dairy Outlook
https://dairy.osu.edu/newsletter/buckeye-dairy-news/volume-26-issue-1/current-2024-us-dairy-outlook
Jason Hartschuh, Extension Field Specialist, Dairy Management and Precision Livestock, Ohio State ... amount of milk, a $9.50 margin in tier one will still be a good risk management strategy. There are a lot ...
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Small Moon, Big Sun 3
https://ohio4h.org/small-moon-big-sun-advanced
sun and Earth and the moon. When we look at an everyday item and hold it closer to our eyes, it will ... appear bigger compared to when the same item is held farther away from our eyes. The same phenomenon ...
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Small Moon, Big Sun 2
https://ohio4h.org/small-moon-big-sun-intermediate
closer to our eyes, it will appear bigger compared to when the same item is held farther away from our ...
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Solar Eclipse
https://ohio4h.org/solareclipse
work the same way as our eyes do? Find out! Time: 30 minutes Activities To Use During a Solar Eclipse The ...
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2024 Midwest Vegetable Production Guide for Commercial Growers
https://extensionpubs.osu.edu/2024-midwest-vegetable-production-guide-for-commercial-growers/
a summary of currently suggested fertility, cultural, and pest management techniques and tools for ...
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Feeding and Nutrition
https://dairy.osu.edu/resources/feeding-and-nutrition
Research and Extension Minerals and Vitamins Antioxidant Nutrients and Milk Quality Biotin for Lactating ... Nutrition of Dairy Cows Nutrient Management Dairy Carbon Return Calculator (MS Excel File) Estimating Manure ... National Forage Testing Association Nutrient Requirements of Dairy Cattle, NRC, 2001 U.S. Grains Council ...
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Update your preferences with Ohio State
https://ohio4h.org/january-2024/update-your-preferences-ohio-state
information, and changes can be made with the click of a button. In addition to managing your account details, ...
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Show your love for Ohio 4-H with a custom license plate
https://ohio4h.org/january-2024/show-your-love-ohio-4-h-custom-license-plate
support us in our mission of growing 4-H across Ohio to help youth build lifelong skills! Spread the word ...