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A mathematical model for nitrogen demand quantification and a link to broccoli (Brassica oleracea var. italica) glutamine synthetase activity

, : A mathematical model for nitrogen demand quantification and a link to broccoli (Brassica oleracea var. italica) glutamine synthetase activity. Plant Science 165(3): 483-496

Determination of crop nitrogen requirement is at the basis of crop nitrogen fertilizer recommendation. This study aimed at determining the nitrogen demand of broccoli plants (Brassica oleracea var. italica). A mathematical model predicting nitrogen demand was developed and successively tested in an experiment involving a broccoli cultivar at four stages of growth (15; 30; 45; and 60 days after transplanting), in six complete nutrient solutions differing only by their nitrogen rates.


DOI: 10.1016/s0168-9452(03)00167-5

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