(19)
(11) EP 4 827 319 A1

(12)

(43) Date of publication:
28.10.2026 Bulletin 2026/44

(21) Application number: 24833498.9

(22) Date of filing: 12.12.2024
(51) International Patent Classification (IPC): 
A01C 21/00(2006.01)
 G06Q 50/02(2024.01)
(52) Cooperative Patent Classification (CPC):
A01C 21/007; G06Q 50/02
(86) International application number:
PCT/EP2024/086104
(87) International publication number:
WO 2025/132039 (26.06.2025 Gazette 2025/26)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 22.12.2023 EP 23219958

(71) Applicant: Yara International ASA
0277 Oslo (NO)

(72) Inventors:
  • OLSSON, Carl-Magnus
    211 75 Malmö (SE)
  • GRUVAEUS, Ingemar
    211 75 Malmö (SE)

(74) Representative: AWA Sweden AB 
Box 5117
200 71 Malmö
200 71 Malmö (SE)

   


(54) METHOD AND SYSTEM FOR DETERMINING A SOIL NITROGEN AVAILABILITY AND A FERTILIZER DEMAND FOR A CROP