News Tidbits: Till at Night to Reduce Weeds, Build a Solar Water Distiller, Composting Human Waste and More

Little tidbits of interesting news, including reducing weeds, distilling water, composting human waste and beta carotene in cucumbers.



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Dr. Buhler conducts a night-tillage experiment on an Iowa farm.
PHOTO: COURTESY OF USDA/ARS
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Technician Keith Kohler wears night-vision scopes.
COURTESY OF USDA/ARS
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Principles of solar distillation.
MOTHER EARTH NEWS STAFF
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Human waste doesn't have to be wasted.
JAMIE LEO

















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