Richters ProGrowers Info
Richters ProGrowers Info | |
Arnica
(A. montana, A. chamissonis) |
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Market
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Products:  (flower, root);  (flower); 
Market size: 1000 hectares (world), 160 ha (North America)
Prospects: prices stable, volume down
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Culture |
Seed density: 700-1000 seeds/gram
Exposure: full sun
Soil: well-drained, humus-rich, pH 7 (A. chamissonis), pH 4.5-6 (A. montana)
Crop duration: 3-5 years
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Sowing rate: 1-4kg/ha (indirect).
Planting: direct sowing not recommended. Sow in seedflats or plugs. Sow A. montana 16-20 weeks before transplanting to field; sow A. chamissonis 12 weeks before field planting.
Field spacing: 15-60cm between rows x 15-20cm within rows.
Harvest: flower (years 2-5), root (year 3 or 4).
Yield: not available.
Pests: few problems
Diseases: chlorosis (yellow leaves) in A. montana caused by alkaline soil.
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Sowing rate: 8-10g/1000plants.
Planting: sow in seedflats or plugs 20 weeks before sale.
Seeds to finished plugs: 12 weeks.
Plugs to saleable plants: 8 weeks.
Pests: few problems, whitefly occasionally
Diseases: few problems.
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– Dried Production
– Fresh Production
– Oil Production
– Potted Plant Production
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