TN021

Properties of Attributes in entity 4 table: Content of organic carbon and nitrogen in soil water from soil lysimeters

Name	Keyfield	Nullable	Type	Domain	Scale	NumType	Range	Precision	Units	Missing Value Code
DBCODE	N	N	char(5)	enum	nominal
ENTITY	N	N	numeric(2,0)	range	interval	natural	4.-4.		number
COLLDATE	Y	N	datetime	range	datetime		Apr 12 1999-Apr 15 2011		date as date type
DEPTH	Y	N	char(3)	enum	ordinal
TREAT	Y	N	char(10)	enum	nominal
DON	N	Y	numeric(5,3)	range	ratio	real	0.000-2.550		milligrams per liter
TDN	N	Y	numeric(5,3)	range	ratio	real	0.000-6.180		milligrams per liter
NO3	N	Y	numeric(5,3)	range	ratio	real	0.000-14.140		milligrams per liter
NH4	N	Y	numeric(5,3)	range	ratio	real	0.000-0.580		milligrams per liter
DOC	N	Y	numeric(5,3)	range	ratio	real	0.000-16.900		milligrams per liter