Search Result for "nitrogen balance":
Wordnet 3.0

NOUN (1)

1. the balance between the amount of nitrogen taken in (to the soil or the body) and the amount given off (lost or excreted); 



WordNet (r) 3.0 (2006):

nitrogen balance
    n 1: the balance between the amount of nitrogen taken in (to the
         soil or the body) and the amount given off (lost or
         excreted)