Table 1 Nutrition requirement of E. purpurea (Seif Sahandi et al.21).

From: Improving growth properties and phytochemical compounds of Echinacea purpurea (L.) medicinal plant using novel nitrogen slow release fertilizer under greenhouse conditions

Nutrient

Attribute (mM)

Nitrogen (N)

150.0

Phosphorus (P)

2.0

Potassium (K)

6.2

Calcium (Ca)

3.9

Magnesium (Mg)

2.0

Sulfur (S)

4.2

Iron (Fe)

50.0

Manganese (Mn)

9.0

Zinc (Zn)

0.8

Copper (Cu)

0.8

Boron (B)

18.0

Molybdenum (Mo)

0.5

pH

6.5–7.5

EC (dS m−1)

 < 2

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