microorganisms and soil biology, with nematodes and fungi under the microscope. in a soil and compost sample

africa america amoeba amoebae animal asia australia beef cattle clay compost composting cows dirt disease farm farmers farming foot fungal fungi fungus health hyphae living macro microbes microorganism microorganisms microscope microscopes microscopy mouth mushroom nematode nematodes new organic organism pasture pathogen permaculture regenerative roots silt soil south testate testing usa worm zealand