![Spent coffee grounds improve the nutritional value in elements of lettuce (Lactuca sativa L.) and are an ecological alternative to inorganic fertilizers - ScienceDirect Spent coffee grounds improve the nutritional value in elements of lettuce (Lactuca sativa L.) and are an ecological alternative to inorganic fertilizers - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S030881461930010X-ga1.jpg)
Spent coffee grounds improve the nutritional value in elements of lettuce (Lactuca sativa L.) and are an ecological alternative to inorganic fertilizers - ScienceDirect
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Whatever You Do, Don't Put Coffee Grounds in Your Garden | Latest Science News and Articles | Discovery
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Used or Spent Coffee Grounds Being Used As Natural Plants Fertilizer Stock Photo - Image of black, spent: 55242052
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