http://vocab.lternet.edu/vocab/vocab/http://vocab.lternet.edu/vocab/vocab/skos/383nutrient cycling http://vocab.lternet.edu/vocab/vocab/skos/383 nutrient cycles RT http://vocab.lternet.edu/vocab/vocab/skos/383 nutrient budgets RT http://vocab.lternet.edu/vocab/vocab/skos/383 nitrogen cycling NT http://vocab.lternet.edu/vocab/vocab/skos/383 biogeochemical processes BT