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Curated Video
What Plants Need to Grow
Plants produce oxygen and provide our food, but what do they need to live? Learn why nitrates, phosphates, potassium and magnesium are vital for plant health. Biology - Plants - Learning Points. Understanding how plants grow ensures we...
Into the Outdoors
Into the Outdoors: Discovery of Nitrogen Fixation
This video explores George Washington Carver's experiments to replenish the nutrients in the soil in the southern states. Learn how he found that nitrogen fixation was the key to enrich the soil. He suggested rotating the cotton planting...