Biodegradation of Aged Residues of Atrazine and Alachlor in a Mix-Load Site Soil by Fungal Enzymes

Table 2

Physical and chemical properties of Site 5A soil (dry wt. basis).

Sample	S-5A
Location	East side of loading dock
Textural class	loamy sand
SOM %	1.1 (0)^a
pH	7.33
NH4-N (mg kg^−1)	10.49 (0.31)
NO3-N (mg kg^−1)	50.24 (3.12)
Sol Salts (mmho cm^−1)	1.34 (0.11)
Acidity (meq 100 g^−1)	0.033 (0.029)
Moisture content, field capacity (%)	8.61
Atrazine (mg kg^−1)	205.1 (10.2)
Alachlor (mg kg^−1)	108.5 (8.3)
Cyanazine (mg kg^−1)	2272.3 (145.5)
Simazine (mg kg^−1)	13.15 (1.94)
Metolachlor (mg kg^−1)	1829.4 (106.4)

^aNumber in parentheses represents standard deviation of 3 values.