soil ecosystem plant roots earthworms microscopic organisms underground network garden life fertile earth

navigate by keyword : earthworms healthy organisms ecosystem level layer microorganisms symbiosis decomposers water retention habitat tilling ecological fertility balance farming root system portraying fungi potassium fertilization cultivation diversity mulch slice showing nature soil fauna structure phosphorus substrate ground hydration aeration organic matter plant health microbes ecosystems visualizing layers diagramming minerals nutrientrich environment stems section decomposition insects view rich creatures biodiversity plants development photosynthesis humus representing cutaway earthworm tunnels nitrogen agriculture gardening loam crosssection natural roots compost nutrients nutrient cycling underground growth generated

Soil ecosystem: plant roots, earthworms, microscopic organisms, underground network, garden life, fertile earth

Soil ecosystem: plant roots, earthworms microscopic organisms, underground network, garden life, fertile earth, environmental balance, ecological graphic, educational diagram, healthy gardening AI generated