In this section, you will find the growing methods in use, the growing techniques, crop protection, disease control and variety choice of tulips, hyacinths and narcissus.

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1.7 Forcing in the border soil of the greenhouse: 9°C These bulbs receive the required cold period either in full or in part naturally in the border soil of the greenhouse. If dry bulbs are to receive part of the required cold treatment, this should take place at 9°C in the cold room (9°C narcissi).