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Table 1.  Species and combination of species used in root decomposition study at CGREC, Summer 2008.

Code

             

Species and combination of species

 

Initial root weight of each species (July 5) (g)

Initial root weight of each bag (July 5) (g)

Average final root weight of each bag  (Sept.30) (g)

Proportional loss of root mass    

Standard
deviation

1

Kentucky bluegrass

  8.00

  8.00

6.76

0.155

0.0369

2

Blue grama

  8.00

  8.00

6.28

0.215

0.0254

3

Western wheatgrass

  8.00

  8.00

5.99

0.251

0.0208

4

Maximilian sunflower

  8.00

  8.00

3.89

0.514

0.0296

5

Smooth brome

  8.00

  8.00

6.12

0.186

0.0412

6

Little bluestem

  8.00

  8.00

6.50

0.188

0.0367

7

Needle-and-thread

  8.00

  8.00

6.52

0.236

0.0626

8

Kentucky bluegrass + Blue grama

  4.00

  8.00

6.73

0.159

0.0103

9

Kentucky bluegrass + Western wheatgrass

  4.00

  8.00

6.35

0.207

0.0520

10

Kentucky bluegrass + Maximilian sunflower

  4.00

  8.00

5.40

0.326

0.0084

11

Blue grama + Western wheatgrass

  4.00

  8.00

6.12

0.236

0.0323

12

Blue grama + Maximilian sunflower

  4.00

  8.00

4.99

0.376

0.0134

13

Western wheatgrass + Maximilian sunflower

  4.00

  8.00

4.74

0.408

0.0224

14

Kentucky bluegrass + Blue grama + Western wheatgrass

  2.67

  8.00

6.30

0.212

0.0557

15

Kentucky bluegrass + Blue grama + Maximilian sunflower

  2.67

  8.00

5.83

0.271

0.0186

16

Kentucky bluegrass + Western wheatgrass + Maximilian sunflower

  2.67

  8.00

5.35

0.332

0.0820

17

Blue grama + Western wheatgrass + Maximilian sunflower

  2.67

  8.00

5.72

0.285

0.0309

18

Kentucky bluegrass + Western wheatgrass + Blue grama + Maximilian sunflower

 2.00

  8.00

5.77

0.278

0.0405

19

Kentucky bluegrass + Western wheatgrass + Blue grama + Maximilian sunflower + Smooth brome

  1.60 

  8.00

5.97

0.254

0.0734

20

Kentucky bluegrass + Western wheatgrass + Blue grama + Maximilian sunflower + Smooth brome + Little bluestem

  1.33 

  8.00

6.19

0.233

0.0370

21

Kentucky bluegrass + Western wheatgrass + Blue grama + Maximilian sunflower + Smooth brome + Little bluestem + Needle and thread

  1.14 

  8.00

5.78

0.277

0.0514

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