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Effect of cultivation methods on nutritive compounds in the carrot

Tomasz Cebulak*, Włodzimierz Sady**

**Department of Processing and Science of Agricultural Commodities
**University of Rzeszów
**Ćwiklińskiej 2, 35-601 Rzeszów, Poland
**Department of Soil Cultivation and Fertilization
**Faculty of Horticulture, University of Agriculture in Kraków
**29 Listopada 54, 31-425 Kraków, Poland

In conditions of heavy, brown soil, in the Podkarpacki region, the effect of the cultivation method (ridge cultivation, flat cultivation) and that of irrigation on the yield, dry matter, soluble sugar, and carotenoid content in carrots of Flacoro cultivar was evaluated. The total and marketable yields (roots over 8 cm in length and diameter over 2.5 cm) were estimated. In carrots grown on ridges an increase in the total yield (by 0.2% in 1995 and by 14.1% in 1996-1997) as well as in the marketable one (by 17.9% in 1995 and by 22.8% in 1996-1997) in comparison with that in the case of flat cultivation was obtained. Irrigation of the carrots significantly enhanced both total and marketable yields in relation to the non-irrigated treatments, although this increase was significant only in 1995, which was a year with warm and dry summer months (July and August). In that year a slight reduction in dry matter, soluble sugars, and carotenoids was found in the roots harvested from ridges.

Cebulak T., Sady W., 2000. Effect of cultivation methods on nutritive compounds in the carrot. Folia Horticulturae 12/1: 77-84.