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Applied Biological Chemistry

Table 1 Changes in soil total carbon and total nitrogen in incubated and lettuce-cultivated soils

From: Contrasting effects of food waste and its biochar on soil properties and lettuce growth in a microplastic-contaminated soil

Treatment

Total C (%)

Total N (%)

Incubated

Cultivated

Incubated

Cultivated

Control

2.67 ± 0.2 (d)

2.85 ± 0.1 (c)

0.25 ± 0.0 (d)

0.26 ± 0.0 (c)

1% Microplastics (MP-1)

5.70 ± 0.7 (c)

5.38 ± 0.2 (cd)

0.26 ± 0.0 (d)

0.24 ± 0.0 (c)

5% Food waste (FW-5)

4.88 ± 0.0 (cd)

3.87 ± 0.0 (de)

0.65 ± 0.0 (bc)

0.44 ± 0.0 (b)

5% Biochar (BC-5)

9.62 ± 1.0 (b)

8.80 ± 0.8 (b)

0.89 ± 0.1 (ab)

0.82 ± 0.1 (a)

1% MP + 5% FW (MP + FW)

7.41 ± 0.6 (bc)

6.16 ± 0.2 (c)

0.60 ± 0.1 (c)

0.41 ± 0.0 (bc)

1% MP + 5% Biochar (MP + BC)

13.79 ± 0.6 (a)

11.43 ± 0.3 (a)

1.05 ± 0.1 (a)

0.82 ± 0.0 (a)

  1. Letters “a, b, c, d and e” represent significant differences between the different soil treatments. Data are presented as mean ± standard error (n = 3)
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