Steven S. Perakis, Jana E. Compton, and Lars O. Hedin. 2005. Nitrogen retention across a gradient of ¹⁵N additions to an unpolluted temperate forest soil in Chile. Ecology 86:96–105.

Appendix B. Nitrogen pools after one year of N additions. All values are as kg N/ha.

	0–10 cm								0–10 cm	10–25 cm	0–25 cm
N added	NH4+	NO3-	DON	Microbe	SOM	POM	Fine	Coarse	Subtotal	Subtotal	Total
0.2	0.27	0.00	4.6	17	1078	44	98	112	1353	1409	2762
5	0.57	0.00	4.9	28	1350	78	96	122	1679	1028	2707
10	0.26	0.00	5.6	24	1437	49	99	157	1773	1497	3270
20	0.28	0.00	2.9	14	1199	44	91	101	1453	1397	2850
40	0.70	0.00	1.4	17	845	62	108	182	1216	1095	2311
80	0.20	0.01	5.5	27	1309	80	112	98	1632	1982	3614
160	0.63	0.00	4.2	13	1007	74	123	179	1401	1296	2697
320	3.51	0.00	5.1	25	1174	72	116	136	1531	1275	2806
640	3.11	0.01	5.2	23	1207	117	130	293	1778	1645	3423