1) Hypodermic fluid 2) Inoculum 3) Matter 4) Substance 1) Inoculum 2) Serum 
a microorganism which is introduced into the soil to improve growth of legume crops.
Used to introduce beneficial bacteria to legume seeds prior to planting, to prompt and enhance conversion of atmospheric nitrogen to ammonia nitrogen within nitrogen-fixing nodules on legume plant roots.
[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
inoculant A substance (a virus, toxin, or immune serum) which is introduced into the body to produce or to increase immunity to a particular disease. Related references to 'eye' or 'eye part' word families: blepharo-; core-; corneo-; lenti-, lens-; lenticulo-; irido-; ocelli-; ...
A microorganism that is introduced into the soil to improve growth of legume crops.
Material which when added to molten metal modifies the structure, and thereby changes the physical and mechanical properties to a degree not explained on the basis of the change in composition resulting from its use.
A product containing Rhizobium bacteria, which helps legume crops, peas and beans, to fix or add nitrogen to soil. Inoculant improves yield of legumes; inoculant typically comes in a powder form that you add to soil at planting time; bacteria establish in soil; once established, you dont need to add more