a product containing Rhizobium bacteria, which helps legume crops (peas, beans) to fix or add nitrogen to soil; inoculant improves yield of legumes; inoculant typically comes in a powder form that you [..]

the dried or inactive microorganisms that become active when added to the compost pile

Microorganisms such as fungi and bacteria that can be added to a new compost pile to help begin the decomposition process.

(n) a substance (a virus or toxin or immune serum) that is introduced into the body to produce or increase immunity to a particular disease

Beneficial microorganisms (Bacteria or Fungi) encapsulated in carrier material and applied to the Environment for remediation and enhancement of agricultural productivity.

The active material used in an inoculation; an inoculum (engineering) An alloyant used to refine grains in a cast macrostructure.