Soil Microbial Community Structure and Target Organisms under Different Fumigation Treatments

Table 2

General properties of Hanford sandy loam at Parlier, California.

Treatment	pH	EC	TC	TN	DOC	Ca	K	Mg	Na	S
		S	%		ppm	mg/kg
Control	8.11^*	367 b	0.42 b	0.06 b	35.3	29.0 b	152	6.06 b	6.46	1.84
MeBrPE	7.89	615 a	0.01 b	0 b	57.6	46.9 a	198	10.34 a	8.01	3.21
T 2/3 COTIF	8.08	378 b	0.42 b	0 b	52.0	28.1 b	168	6.26 b	6.71	2.02
T 2/3 NB	8.07	531 ab	0.18 b	0.06 b	40.7	38.8 ab	181	8.35 ab	9.57	3.28
T 2/3 NPE	8.12	389 b	2.59 a	0.30 a	44.7	29.2 b	168	6.26 b	6.68	1.86
T 2/3 NTIF	8.11	529 ab	0.13 b	0.05 b	38.8	38.9 ab	225	8.12 ab	7.35	2.44
TFNB	8.10	469 ab	0.44 b	0.07 ab	37.2	34.6 b	167	7.28 b	7.52	2.33
TFNPE	8.03	462 ab	0.30 b	0.08 ab	55.3	32.5 b	185	7.13 b	7.47	2.43
Pr > F	0.29	0.012^*	0.002^*	0.007^*	0.57	0.042^*	0.18	0.049^*	0.69	0.30
SE	0.07	44.4	0.42	0.05	9.52	3.89	17.4	0.90	1.21	0.49

Means followed by different letters in a column are significantly different by Tukey’s test at .
EC, electrical conductivity; TC, total carbon; TN, total nitrogen; DOC, dissolved organic carbon, Ca, calcium; K, potassium; Mg, magnesium; Na, sodium; S, sulfur.
MeBrPE (methyl bromide, PE tarp), T2/3COTIF (Telone C35, 2/3 rate, CO2 delivery, TIF tarp), T2/3 NB (Telone C35, 2/3 rate, N2 delivery, bare), T2/3NPE (Telone C35, 2/3 rate, N2 delivery, PE tarp), T2/3NTIF (Telone C35, 2/3 rate, N2 delivery, TIF tarp), TFNB (Telone C35, full rate, N2 delivery, bare), and TFNPE (Telone C35, full rate, N2 delivery, PE tarp).