. 2019 Sep 11;9:13148. doi: 10.1038/s41598-019-49558-3

Table 7.

The sum of selected PLFAs (nmol g⁻¹) used to assess the active microbial community structure in the rhizosphere of corn and soybean cultivated as either monocrop or intercrop during the growing seasons.

Treatments	G+	G−	B	F	P	T (PLFAs)	G+: G−	F: B
C1	21.02 ± 0.30^d	22.50 ± 0.46^c	43.52 ± 0.75^d	4.76 ± 0.14^cd	1.63 ± 0.03^cde	49.90 ± 0.89^d	0.94 ± 0.01	0.11 ± 0.00^c
C2	21.41 ± 1.03^d	22.81 ± 1.43^c	44.23 ± 2.44^d	5.79 ± 0.59^b	1.62 ± 0.06^cde	51.63 ± 3.07^cd	0.94 ± 0.02	0.13 ± 0.01^a
S1	21.36 ± 0.45^d	23.23 ± 0.68^c	44.69 ± 1.12^d	5.16 ± 0.38^bcd	1.63 ± 0.06^cde	51.49 ± 1.53^d	0.92 ± 0.01	0.11 ± 0.01^bc
S2	20.66 ± 0.14^d	22.32 ± 0.22^c	42.98 ± 0.27^d	4.96 ± 0.11^bcd	1.55 ± 0.02^e	49.49 ± 0.31^d	0.93 ± 0.01	0.12 ± 0.00^abc
S3	20.94 ± 0.56^d	22.64 ± 0.47^c	43.58 ± 0.98^d	4.57 ± 0.15^d	1.52 ± 0.01^e	49.68 ± 0.95^d	0.93 ± 0.01	0.11 ± 0.00^c
S1C1	27.83 ± 1.47^a	29.58 ± 1.42^a	57.41 ± 2.89^a	7.45 ± 0.74^a	1.86 ± 0.06^a	66.72 ± 3.66^a	0.94 ± 0.01	0.13 ± 0.01^ab
S2C1	23.81 ± 0.64^bc	26.22 ± 1.03^b	50.02 ± 1.66^bcd	5.61 ± 0.36^bcd	1.74 ± 0.07^abc	57.37 ± 1.99^bc	0.91 ± 0.01	0.11 ± 0.00^c
S3C1	21.96 ± 0.75^cd	23.50 ± 0.79^c	45.46 ± 1.52^cd	4.67 ± 0.17^cd	1.60 ± 0.02^de	51.73 ± 1.58^cd	0.93 ± 0.01	0.10 ± 0.00^e
S1C2	24.41 ± 1.25^b	26.21 ± 1.48^b	50.63 ± 2.72^b	5.75 ± 0.41^bc	1.79 ± 0.07^ab	58.17 ± 3.18^b	0.93 ± 0.01	0.11 ± 0.00^c
S2C2	21.37 ± 0.48^d	23.39 ± 0.48^c	44.76 ± 0.91^d	4.68 ± 0.13^cd	1.66 ± 0.01^cde	51.10 ± 0.90^d	0.91 ± 0.01	0.10 ± 0.00^c
S3C2	22.13 ± 0.44^cd	24.10 ± 0.60^bc	46.22 ± 0.95^bcd	5.28 ± 0.32^bcd	1.71 ± 0.03^bcd	53.20 ± 1.13^bcd	0.92 ± 0.02	0.11 ± 0.01^c
Average	22.45 ± 0.33	24.24 ± 0.37	46.68 ± 0.70	5.33 ± 0.14	1.66 ± 0.02	53.68 ± 0.84	0.93 ± 0.00	0.11 ± 0.00
Mono-(US)	21.01 ± 0.25	22.83 ± 0.37	43.84 ± 0.61	5.06 ± 0.19	1.59 ± 0.03	50.49 ± 0.80	0.92 ± 0.01	0.12 ± 0.00
Mono-(VS)	20.94 ± 0.56	22.64 ± 0.47	43.58 ± 0.98	4.57 ± 0.15	1.52 ± 0.01	49.68 ± 0.95	0.93 ± 0.01	0.11 ± 0.00
Inter-(US)	24.35 ± 0.68^A	26.35 ± 0.71^A	50.71 ± 1.39^A	5.87 ± 0.30	1.76 ± 0.03^A	58.34 ± 1.70^A	0.92 ± 0.01	0.11 ± 0.00
Inter-(VS)	22.04 ± 0.41^B	23.80 ± 0.48^A	45.84 ± 0.86^A	4.97 ± 0.20	1.65 ± 0.02^B	52.47 ± 0.95^B	0.93 ± 0.01	0.11 ± 0.00
Mono-S	20.99 ± 0.24^B	22.76 ± 0.29^B	43.75 ± 0.50^B	4.90 ± 0.14^B	1.57 ± 0.02^B	50.22 ± 0.61^B	0.92 ± 0.01	0.11 ± 0.00
Mono-C	21.22 ± 0.51^B	22.66 ± 0.72^B	43.87 ± 1.22^B	5.27 ± 0.33^AB	1.62 ± 0.03^B	50.77 ± 1.55^B	0.94 ± 0.01	0.12 ± 0.00
Inter (C + S)	23.58 ± 0.51^A	25.50 ± 0.54^A	49.08 ± 1.04^A	5.57 ± 0.22^A	1.73 ± 0.02^A	56.38 ± 1.26^A	0.93 ± 0.01	0.11 ± 0.00

Values are means ± standard errors. Mean values in each column followed by the same superscripts are not significantly different at alpha 0.05. C: corn; S: soybean; C + S: corn + soybean; C1: Yukon-R; C2: DKC26-28RIB; S1: Big Fellow RR; S2: Game Keeper RR; S3: Kester’s Bob White Trailing Soybean; S1C1: Big Fellow RR + Yukon-R; S2C1: Game Keeper RR + Yukon-R; S3C1: Kester’s Bob White Trailing Soybean + Yukon-R; S1C2: Big Fellow RR + DKC26-28RIB; S2C2: Game Keeper RR + DKC26-28RIB; S3C2: Kester’s Bob White Trailing Soybean + DKC26-28RIB; Mono-C: monocropping corn; Mono-S: monocropping soybean; Inter-(C + S): corn-soybean intercropping; Mono-(US): monocropping upright soybean; Mono-(VS): monocropping vine soybean; Inter-(US): intercropped upright soybean; Inter-(VS): intercropped vine soybean. G+: gram positive; G−: gram negative; B: bacteria; T (PLFAs): total phospholipid fatty acids; F: fungi; P: protozoa.