国立アメリカ歴史博物館のインスタグラム(amhistorymuseum) - 8月9日 07時49分

Tonight's #foodinthegarden is all about soil. We're learning about organic, composting, soil nutrients, the composition of soil, soil testing (there's an app for that!), and more. Panelists: Harriet Wegmeyer of Wegmeyer Farms and Nutrients for Life Foundation; Mark Smallwood from Rodale Institute; and Maxine Levin, National Liaison to the National Cooperative Soil Survey.

[BIHAKUEN]UVシールド(UVShield)

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