Crop response to the supply of macronutrients

Een methode wordt beschreven om tot een verband tussen de opbrengst en het aanbod aan voedingsstoffen te komen, gebaseerd op twee deelverbanden: enerzijds die tussen de totale opname van een element en de opbrengst van het gewas, anderzijds die tussen toegediende hoeveelheid van een element en z'n opname door het gewas

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