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Coffee 4 Plants

Is Coffee good for Plants?


coffee and plants

Research on coffee's effects on plant growth continues to evolve. There are hundreds of gardening websites that promote the use of coffee grounds, praising their nitrogen-rich quality and ability to help plants photosynthesize. Perhaps you've already read that grounds help the soil retain water, repel slugs and snails, and improve the structure of the soil. Grounds are also especially beneficial for acid-loving plants.

Some of this information is indeed true. Coffee grounds have been shown to improve water flow and soil structure. Used by itself, finely ground coffee is easily compacted, and can act as a barrier to moisture and air movement. But when coffee grounds are mixed with a variety of other types of organic material, they improve water retention and air circulation. Peer-reviewed research conducted at Washington State University recommends that coffee grounds constitute no more than 20% of total compost volume.

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Coded by Costanza Affaba