Tutorialorganic fertilizercompostingpest control
Used Coffee Grounds Improve Garden Health
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2.8
Households can repurpose spent coffee grounds for gardening, pest control, and composting by collecting, drying, and applying them. The article details methods—soaking grounds to make nutrient-rich fertilizer, a 200-gram-per-0.5-liter infusion for slug spray, sprinkling dry grounds, and adding 0.5 kg to compost—to supply nitrogen, potassium, phosphorus, and magnesium while improving soil structure and attracting earthworms.
Scoring Rationale
High direct usability for gardeners but low novelty and limited relevance beyond household gardening.
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