Pepper crop guide: Poly-Feed™ water-soluble NPKs

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Table 28: Recommended composition of nutritional solution for soilless-grown peppers

A. In moderate or cold climate with low sun radiation and soft water (North and North-East Europe, North France, UK, Japan, Korea)

Concentration in irrigation water (ppm)					Recommended Poly-Feed® formula	Conc. (kg/m3)
N	P	K	Ca	Mg	Recommended Poly-Feed® formula	Conc. (kg/m3)
190	45	285	130	40	14-10-34+ME	1.0

Some acid and Multi-Cal® calcium nitrate should be added to adjust the pH and to complete calcium requirements.

B. In hot climate with high sun radiation and hard water (Middle East, Mediterranean countries)

Concentration in irrigation water (ppm)					Recommended Poly-Feed® formula	Conc. (kg/m3)
N	P	K	Ca	Mg	Recommended Poly-Feed® formula	Conc. (kg/m3)
170	40	215	100	35	11-12-33	0.8

Some acid and Multi-Cal® calcium nitrate should be added to adjust the pH and to complete calcium requirements.

Need more information about growing peppers? You can always return to the pepper fertilizer & pepper crop guide table of contents