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

navigate by keyword : earthworms earth aeration agriculture hydration sustainability nitrogen development plants humus substrate bacteria decomposition soil structure nutrients decomposers farming creatures depicting crop rotation section visualizing nutrientrich insects layers roots ecosystem phosphorus microorganisms fungi layer cultivation root system nature underground organic matter organisms balance level water retention ground rich stems crosssection representing slice productive mulch diversity dirt plant health compost potassium tilling cutaway nutrient cycling biodiversity symbiosis ecological illustrating minerals habitat natural showing clay environment fauna photosynthesis fertility loam 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