a preparation of Rhizobium used as a bacterial fertilizer

См. также в других словарях:

• Nitrogen — carbon ← nitrogen → oxygen ↑ N ↓ P …   Wikipedia

• nitrogen fixation — 1. any process of combining atmospheric nitrogen with other elements, either by chemical means or by bacterial action: used chiefly in the preparation of fertilizers, industrial products, etc. 2. this process as performed by certain bacteria… …   Universalium