In experiments conducted in the years 2004–2005, the influence of the seedling planting date on the yield of 3 chicory cultivars was evaluated. Transplants were planted on 20 April, 5 and 20 May, 5 June, 15 July and 3 August with the spacing of 30 × 30 cm (‘Indigo’, ‘Leonardo’) and 30 × 35 cm (‘Uranus’). Depending on the planting date, the marketable yield was 25.5–51.0 t·ha–1 of the radicchio type and 57.6–97.2 t·ha–1 in the ‘Uranus’ cultivar.
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