Folia Horticulturae

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The effect of seedling raising and planting methods in early production of leeks

Eugeniusz Kołota, Katarzyna Adamczewska-Sowińska

Department of Vegetable Crops
University of Agriculture
Cybulskiego 34, 50-205 Wrocław, Poland

In a field study conducted in 1991-1993 transplants of Kilima cv leeks were produced from seed sown into pressed soil blocks, plastic rings, and boxes or by pricking out the seedlings into soil blocks and plastic boxes. Multi-seeded transplants comprising 2 or 3 seedlings were planted out in the middle of April spaced at 25×16 cm and 25×24 cm, respectively, in order to obtain a population amounting to 50 plants per 1 m2.

The results of the study showed that the most efficient way of transplant production, providing the highest marketable yield of early leeks, appeared to be direct drilling into pressed soil blocks and plastic rings. The favourable effect of the pricked out seedling planting can only be considered because of the smaller demand for a heating area in the greenhouse for at least 6 weeks from the sowing date. With the same plant population, multi-seeded transplants comprising 2 and 3 seedlings did not affect the yield of leeks or crop quality.

Kołota E., Adamczewska-Sowińska K., 1995. The effect of seedling raising and planting methods in early production of leeks. Folia Horticulturae 7/1: 3-13.