Table 2 Shoot concentration of mineral nutrients in maize plants exposed during four weeks to a root zone temperature of 12–14 °C with and without Zn/Mn seed dressing and single or triple seaweed extract applications of Algavyt+Zn/Mn

Untreated control

4.46 ± 0.35^a

1.65 ± 0.17^a

3.42 ± 0.56^a

2.53 ± 0.32^ab

Algavyt single appl.

4.33 ± 0.34^a

1.70 ± 0.23^a

3.49 ± 0.90^a

2.30 ± 0.24^b

Algavyt triple appl.

4.68 ± 0.82^a

1.89 ± 0.30^a

4.44 ± 1.02^a

3.02 ± 0.50^a

Zn/Mn seed dressing

4.72 ± 0.55^a

1.67 ± 0.20^a

3.72 ± 0.60^a

2.36 ± 0.25^ab

Untreated control

0.012 ± 0.003^b

0.024 ± 0.004^b

0.054 ± 0.017^a

0.005 ± 0.001^a

Algavyt single appl.

0.017 ± 0.001^b

0.028 ± 0.004^b

0.081 ± 0.023^a

0.005 ± 0.001^a

Algavyt triple appl.

0.016 ± 0.004^ab

0.027 ± 0.009^b

0.068 ± 0.012^a

0.006 ± 0.0007^a

Zn/Mn seed dressing

0.025 ± 0.003^a

0.048 ± 0.013^a

0.090 ± 0.024^a

0.006 ± 0.001^a