Tillage and Fertilizer Management Effects on Soil-Atmospheric Exchanges of Methane and Nitrous Oxide in a Corn Production System

Table 1

Baseline soil properties at the study site prior to establishing treatments, Hazel Green, Alabama.

Soil depth (cm)	pH	NH4-N	NO3-N	PO4-P	Total C
		mg kg^−1	mg kg^−1	mg kg^−1	(g kg^−1)
0–5	6.21	9.22	15.26	6.15	14.22
5–10	6.19	8.15	23.12	5.08	8.53
10–20	6.31	5.64	15.18	6.10	7.04
20–30	6.36	6.15	12.71	4.46	5.09
30–60	6.26	5.81	8.16	2.17	4.03
60–120	6.03	4.65	5.40	1.67	3.70
S.E.	0.2	3.7	8.8	4.4	0.3