Crops^a

Growth period

Water storage capacity^b (mm)

Maximum N input level^c (kg∙N∙ha⁻¹)

Yield^d

(t∙DM∙ha⁻¹)

Potato

(tubers)

April - September

71 172

250

10.5 9.2

Sugar beet

(roots)

April - October

71 345

150

13.7 13.4

Winter oilseed rape (seeds)

September - July

71 359

200

2.9 3.1

Silage maize

(whole plant)

May - October

71 287

180

13.9 13.8