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  • 10 years ago

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Toward Sustainable Agriculture

KGNU - How On Earth
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Sustainable Agriculture (starts 3:06): We couldn’t feed the planet without nitrogen, a vital nutrient for crops. But most soils don’t produce enough of it to feed anywhere near our 7 billion-plus humans on the planet. So, for nearly a century we’ve been applying synthetic fertilizer—mainly nitrogen and phosphorus — to grow crops for animals and people. But … Continue reading "Toward Sustainable Agriculture"

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