Nitrogen prediction in potato petioles based on spectral data and hyperspectral images Academic Article uri icon


  • Materials and methods Five N fertilization treatments with two replicates were conducted in a potato field in the Negev region (southern lsrael) on a sandy loam soil. The treatment included commercial treatment with 400 nitrogen units per hectare (Urea), one treatment with no in season nitrogen at all and three treatments fertilized with 80%, 60% and 25% of the commercial N quantity with control release nitrogen (multigro 43-0-0). On days 50, 75, 90 and 100 after seeding in the spring season of 2006, spectral reflectance of leaves was …

publication date

  • June 3, 2007