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Science Matters: Bennett and Soil Conservation

On an overcast afternoon in the spring of 1935, Hugh Hammond, a rumpled bureaucrat, was testifying before Congress. Suddenly the sky turned the color of copper.

Grades 9-12
Science | History-Social Science
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John Wesley Powell II

On May 29, 1869, a small party of nine men in four rowboats, led by a man with one arm, set out on what was called an impossible task.

Grades 6-8 | 9-12
Science | History-Social Science
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M is for Manure

We’re here today to talk about the letter M, for Manure. Pretty much everybody knows that manure is animal waste. But did you know it’s sometimes called “black gold?”…. That’s because for centuries before there were any chemical fertilizers, smart farmers and gardeners used manure to increase crop yields and improve their soil. Manure contains a rich and wide range of mineral and nutrients. It provides abundant amounts of the three main chemicals your plants need- Nitrogen, Phosphorus, and Potassium. Most importantly, it also contains many of the micro-nutrients that plants need to thrive and grow.

Grades K-2 | 3-5 | 9-12
Science
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F is for Fish

Fish farmers in Virginia earn more than $5 million a year from the fish they raise. More than $2 million worth of trout alone are raised and sold each year.

Grades 3-5 | 6-8 | 9-12
Science
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S is for Soil

Soil is critical not only for agriculture, but for the environment as well. Soil is a mixture of sand, silt, and clay particles combined with water, air and lots of micro-organisms. Not only does soil serve as a medium for plant growth, it helps to clean water, regulate the climate and purify waste.

Grades K-2 | 3-5 | 9-12
Science
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Z is for Zone

The word hardiness, in relation to plants, refers to the plants ability to survive outdoors, year round, without protection. For the most part, Virginia is in zones 6a-7b on the United States Department of Agriculture's Hardiness Zone map. The wide variety of climates throughout the state explains why we have such an abundant supply of plants and vegetables for our consumers.

Grades 9-12
Science
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