Specialty & Other· Arthrospira platensis
Guide de culture du Spirulina
Cyanobacterium (blue-green algae) cultivated in alkaline water for its exceptional nutritional profile — 60-70% protein by weight, rich in B-vitamins, iron, and antioxidants. A superfood crop.
Conditions de croissance
Exigences du sol
Type de sol et pH
Meilleurs types de sol : alkaline water, raceway ponds, photobioreactors
Plage de pH : 8.5 - 11 (optimal : 10)
Drainage : poor
Besoins en nutriments (N-P-K)
Guide de plantation
Rendement et économie
Ravageurs et maladies courants
Ravageurs courants
- rotifers
- amoeba
- competing algae
Maladies courantes
- cyanophage infection
- bacterial contamination
- culture crash
Utilisez la pour identifier les problèmes tôt et prévenir les pertes de récolte.
Conseils de culture
Maintain culture pH above 9.5 with sodium bicarbonate; the extreme alkalinity is spirulina's natural defense against contamination by other organisms.
Harvest daily by filtering 25-30% of the culture through fine mesh (40-50 micron); press and dry the biomass rapidly at below 65C to preserve nutrients.
Monitor culture density daily with a Secchi disc (8-12 cm reading is optimal); too dense = light limitation, too sparse = photoinhibition and contamination risk.
Questions fréquentes
How long does Spirulina take to grow?
Spirulina typically takes 14 days from planting to harvest. Seeds germinate in about 3 days. The best planting season is year-round.
What soil does Spirulina need?
Spirulina grows best in alkaline water, raceway ponds, photobioreactors soil with a pH of 8.5-11. Poor drainage is required.
What temperature does Spirulina need?
Spirulina grows best at 30-37°C. Frost tolerance: none. Heat tolerance: high.
What is the expected yield for Spirulina?
Spirulina yields approximately 30,000 kg dry biomass/hectare under good conditions. Multiple harvests per year are possible (12).
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Termes agronomiques clés
Les concepts agricoles essentiels, expliqués simplement.
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