Table 1 Selected characteristics (average, n = 3) of the used poultry manure and soil. Numbers with brackets express the standard error ( ±) of the mean

Dry matter

%

42.54 (3.30)

–

Organic matter

%

27.60 (5.72)

0.62 (0.04)

Total N

%

3.75 (0.02)

–

Mineral N

%

1.27 (0.09)

Total C

%

51.36 (5.61)

–

C:N ratio

–

13.69

–

Zn content

mg kg⁻¹ DM

28.53 (20.22)

18.8 (8.963)

Fe content

mg kg⁻¹ DM

169.8 (13.31)

1183.30 (5.42)

pH_H2O 1:10

–

7.2 (0)

7.1 (0.31)

EC (1:5)

dS m⁻¹

8.2 (0.076)

2 (0.09)