Table 1 Field capacity of a sand soil sample as influenced by BICCP (Bacillus-induced calcium carbonate precipitates) and its consequences on Vicia faba seeds germination and plumule length in 7 days.

From: Assessment of ecofriendly carbon capture using Bacillus subtilis induced calcium carbonate precipitation with focus on applications mechanisms and cost efficiency

Soil treatments

C1

C2

C3

C4

Top

Bottom

Top

Bottom

Top

Bottom

Top

Bottom

CaCO3 precipitated (%)

2.25

1.75

3.75

3.75

2.75

1.75

4.9

6.25

Field capacity (%)

4.1

14.66

6.6

17.5

5.4

16.7

10.5

20.26

Number of germinated seeds

1.0

0.0

1.0

1.0

2.0

0.0

2.0

4.0

Plumule length (cm)

0.4

0.0 ± 0

1.2 ± 

1.5 ± 

1.1 ± 

0.0 ± 

1.0 ± 

1.85 ± 

  1. *C is the controlling treatments, C1 is distilled water, C2 is minimal medium + urea + CaCl2 and C3 is minimal medium and bacteria, C4 is minimal medium + bacteria (B. subtilis) + urea + CaCl2, Top and Bottom are the upper and lower parts of the sand column, respectively.
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