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ISHS Acta Horticulturae 147: Symposium on Production Planning in Glasshouse Floriculture

A NEW DEVELOPMENT SYSTEM FOR PRODUCTION OF CUT CHRYSANTHEMUM

Author:   J. Blaabjerg
Abstract:
For the past 10 years many Scandinavian growers of cut flowers have been forced to stop their production due to poor possibilities of reasonable economic results. The reason for this is among others high energy costs and an increasing import of cut flowers from areas with more favourable climate conditions.

Grower Jens Hansen in Bjaeverskov situated approx. 40 km south/west from Copenhagen could also feel these problems. However, he was not interested in stopping his production of cut chrysanthemum, on the contrary he determined to produce his way out of the problems by means of a larger production per area unit, and in this way to reduce the energy costs per area unit. At the same time a larger turnover per area unit will make basis for a larger interest and depreciation allowance of invested capital as well.

To solve his problems the following was necessary:

  1. Installation of rolling benches and a drip-feeding system and a fertilizer mixer.
  2. Application of 4-week-old young plants for planting i.e. they are ready for short day treatment immediately after planting.
  3. Application of the growing substrate GRODANo in the propagation house as well as in the production house.
  4. To follow a programmed production plan.

The installation of aluminium rolling benches in a gross area of 1630 sq.m. resulted in an increased net area from 1036,8 sq.m. to 1324,8 sq.m. corresponding to a 27.8 per cent increase in the growing area. The height of the rolling benches is approx. 30 cm which gives a comfortable working posture.

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