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The use of decomposed pine bark as a substrate for growing gerbera

, : The use of decomposed pine bark as a substrate for growing gerbera. Acta Horticulturae (51): 103-106

The substrate consisting of 90% pine bark and 10% birch bark was treated with hot water to reduce the tannin content from about 6.0 to 0.6%. To this were added urea at 3 kg/m3 of bark, and 10-15% by volume of active sludge. The mixture was composted for 4-6 months.

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