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Amaranth (Hydroponics)

Recommendation
 Planting spacing
 50 cm
 Root length
 50 cm
 Plant height
 50 - 300 cm
 Sun
 full sun
 Lighting
 12 - 16 hours
 Soil type (for soil cultivation)
 any
 Total nutrient requirement
 high
 Nutrient dosage (NPK)
 4-18-38
 pH range
5.5 - 7.0 matching plants
 Ec range
0.8 - 1.6 matching fish
 Climate zone (USDA)
 12a ~ > 8 °C
 Growth in frost
 no
 Temperature damage from
 < 4 °C
 Frost resistance
 no (variety caudatus: yes)
 Days to germination
 7
 Days to harvest
 120 - 150
 Vegetation period
 Annual
Commonly cultivated varieties:
  • Amaranthus cruentus
  • Amaranthus hypochondriacus
  • Amaranthus caudatus
Illustration Amaranthus retroflexus0 small

Amaranthaceae

Belongs to the genus of amaranths (Amaranthaceae). These are found primarily in North and South America as well as Africa, and equally in tropical, subtropical, and warm-temperate climate zones on all continents. 

Propagation
 Preferred systems
 NFT
Amaranth Image
Nutrients
NutrientStart phaseYield phase
Dose-+-+
NO3 1.5      
K 1.0     1.0
Ca   1.0 0.8  
B   20.0    
Fe       10.0
All values in mMol
See also: Deficiency symptoms
Sources incl.: 
Image: https://pixabay.com/photos/food-sprout-fresh-6398061/
Further information:
https://www.ishs.org/ishs-article/1238_6

Likpètè, D.D., Adjogboto, A., Akponikpe, P.B.I., Djenontin, A.J., Baco, M.N., Sossa-Vihotogbe, C.N.A. and Agbossou, E.K. (2019). Water use efficiency of local amaranth as affected by timing and application methods of fertilizer micro-dosing. Acta Hortic. 1238, 45-54, DOI: 10.17660/ActaHortic.2019.1238.6

Context:


 

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