Echinacea fertigation tips.
• Provide 100―125 ppm of nitrogen.
• Do not use too much phosphorus! • You can provide proper amount of N by 0.7―1.0 g/l : 15-5-15, 18-5-19, 18-5-20*. • Give fertilizers with every watering (EC water : 1.4―1.7.) • Optimal EC in the substrate (SME*): 0.9―1.3 mS/cm. • Change NPK rate to 18-5-40 or 15-5-30 or similar when flower stalks appear*.
•
pH range: 5.8―6.2
5
2 3 4
6 7 8
Dottie Mix, Vietnam 2025
* Don’t forget to provide Ca and Mg every two weeks!
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