A group of porous minerals with high cation exchange capacity, sometimes used in agriculture to retain nutrients and water.
A conservation practice where seeds are directly sown into untilled soil with crop residues left on the surface.
An essential micronutrient for plants, required in small amounts for enzyme activation and growth regulation.
Tiny aquatic animals that drift in water, feeding on algae and microbes, forming a key part of aquatic food webs.
Microbes that rapidly multiply in soils when fresh organic matter becomes available, contributing to decomposition.
