chemical fertilizers
Manufactured soil supplements
Chemical fertilizers are synthetic substances applied to soil or plants to supply nutrients—primarily nitrogen, phosphorus, and potassium—that promote growth.
Distinguished from organic fertilizers like manure or compost, they're manufactured through industrial processes and deliver nutrients in concentrated, immediately available forms.
The farm switched from chemical fertilizers to cover crops.
Critics cite environmental concerns: runoff, soil degradation, and fossil fuel dependence.
- eutrophicationExcess nutrients depleting oxygen
- nitrogenElement seven, colorless gas
- phosphorusGlow-in-dark element
- algal bloomsRapid water plant overgrowth
- dead zonesAreas lacking life or signal
greenhouse gas emissions · carbon footprint · potassium · biodiversity loss · environmental impact · water contamination · biofertilizers · sulfur · granulation · calcium · magnesium · iron · zinc · blending · urea · copper · NPK · crop yield
chemical fertilizersorganic fertilizers
Plant nutrients from living matter
natural fertilizers · compost · manure · green manure · bone meal
chemical fertilizersorganic farming
Cultivation without synthetic chemicals
sustainable agriculture · permaculture · natural farming · agroecology · indigenous agriculture
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