Investigations of the soil nitrogen cycle are important to make most efficient use of nitrogen in plant residues, manures, and applied fertilizers.
(Investigations of the soil nitrogen cycle; are; important to make most efficient use of nitrogen in plant residues, manures) (Investigations of the soil nitrogen cycle; applied; fertilizers)
Investigations of the soil nitrogen cycle Investigations of the soil nitrogen cycle
are applied
important to make most efficient use of nitrogen in plant residues, manures
fertilizers