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Ecological Processes

Table 4 The summary of mean separation analysis for electrical conductivity (EC) and pH distributions at 0.10 m depth increments and for the total dissolved solutes (TDS-total) in soil profiles along the four transects to determine whether they were impacted by land-use practices and/or the physical locations of the transects in the farm. During the experimental design stage, two out of the four transects were considered as replicates for the 3-year-old reforested riparian (RR) and the corresponding cropland (CP) and bare riparian (BR) land-uses and the other two transects as replicates for the 6-year-old RR, CP and BR land-uses

From: Characterizing selected soil attributes of different land-use management to assess reforestation benefits of deforested riparian buffers

Land-use

Electrical conductivity (EC) in the profile sections

dS/m

TDS-pool

mg/L

Depth increments (m)

0.00–0.10

0.10–0.20

0.20–0.30

0.30–0.40

0.00–0.40

Replicate 1 for 6-year-old reforest

6 yr-cropland-1

0.227 A,c

0.098 B,b

0.090 B,b

0.093 B,e

325.1 f

6 yr-bare riparian-1

0.203 A,a

0.233 B,d

0.251 C,e

0.223 D,f

576.0 g

6 yr-reforested riparian-1

0.177 A,f

0.151 B,c

0.140 C,f

0.147 C,g

393.6 h

Replicate 2 for 6-year-old reforest

6 yr-cropland-2

0.197 A,a

0.117 B,a

0.100 C,b

0.100 C,e

329.0 f

6 yr-bare riparian-2

0.180 A,f

0.163 B,c

0.170 A,c

0.227 C,f

435.2 i

6 yr-reforested riparian-2

0.107 A,g

0.097 B,b

0.167C,c

0.207 D,h

369.9 j

Replicate 3 for 3-year-old reforest

3 yr-cropland-1

0.197 A,a

0.110 B,a

0.077 C,a

0.070 D,a

290.6 a

3 yr-reforested riparian-1

0.083 A,b

0.080 A,b

0.087 B,b

0.023 C,b

174.7 b

Replicate 4 for 3-year-old reforest

3 yr-cropland-2

0.230 A,c

0.110 B,a

0.070 C,a

0.077 C,a

311.7 c

3 yr-bare riparian-2

0.347 A,d

0.180 B,c

0.183 B,c

0.260 C,d

620.8 d

3 yr-reforested riparian-2

0.253 A,e

0.167 B,c

0.169 B,d

0.117 C,c

451.8 e

 

Soil pH in the profile sections

0–0.10

0.10–0.20

0.20–0.30

0.30–0.40

 

Replicate 1 for 6-year-old reforest

6 yr-cropland-1

6.9 A,c

6.5 B,b

6.8 A,b

7.2 C,b

 

6 yr-bare riparian-1

8.0 A,e

8.4 B,d

8.6 C,d

8.7 C,c

 

6 yr-reforested riparian-1

7.1 A,d

7.8 B,c

8.0 C,c

8.3 D,c

 

Replicate 2 for 6-year-old reforest

6 yr-cropland-2

6.6 A,c

6.1 B,b

6.3 B,e

6.7 A,a

 

6 yr-bare riparian-2

7.0 A,d

7.1 A,e

7.8 B,c

8.3 C,c

 

6 yr-reforested riparian-2

5.9 A,a

6.5 B,b

7.3 C,f

7.8 D,d

 

Replicate3 for 3-year-old reforest

3 yr-cropland-1

5.7 A,a

5.3 B,a

5.8 A,a

6.5 C,a

 

3 yr-reforested riparian-1

5.7 A,a

6.2 B,b

6.7 C,b

7.1 D,b

 

Replicate 4 for 3-year-old reforest

3 yr-cropland-2

6.1 A,b

5.5 B,a

5.8 C,a

6.2 A,a

 

3 yr-bare riparian-2

6.5 A,c

6.4 A,b

6.9 A,b

7.3 B,b

 

3 yr-reforested riparian-2

7.5 A,d

8.0 B,c

8.2 B,c

8.3 B,c

 
  1. Same block letter(s) in a given row or small letter(s) in a given column indicate the means are not significantly different at P < 0.05. The 3-year-old RR along one out of the four transects is abbreviated as 3 yr-reforested riparian-1, and the corresponding CP as 3 yr-cropland-1 and the BR as 3 yr-bare riparian-1. Similar abbreviations; 3 yr-reforested riparian-2, 3 yr-cropland-2, 3 yr-bare riparian-2 are used for the second 3-year-old RR, the corresponding CP and BR land-uses along the second transect. The abbreviations for the two 6-year-old RR and the corresponding CP and BR land-use practices along the other two transect are similar to what has been used for the 3-year-old RR transects land-uses
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