Growing tarragon with Haifa Fertilizers

Fertilization of tarragon & chives

A complete fertilization program for growing tarragon and chives with Haifa fertilizers

I. While transplanting

Immerse the transplant plugs in a 2% solution of Poly-Feed 20-20-20 + M.E.

II. Fertigation for the establishment stage

Optimal nutrients concentrations in irrigation water (ppm)

N	P₂O₅	K₂O	CaO	MgO	Fe
100-110	70-90	100-120	110-140	60-75	0.8-1.2

Optimal combination of fertilizers in irrigation water (g/cubic meter)

Multi-K	MAP	Mg Sulfate	Calcium nitrate
240	130	420	470

Multi-K = 13-0-46; MAP = 12-61-0; Mg Sulfate = 0-0-0+16MgO; Calcium nitrate = 15.5-0-0+26.5CaO

III. Fertigation for main growth season (fertilizer analysis: 4-2-8 + M.E.)

Optimal nutrient concentrations in irrigation water (ppm)

Season	N	P₂O₅	K₂O	CaO	MgO
Autumn	90-100	70-90	100-120	100	60
Winter*	140-150	100	180	120	70
Spring	100-120	50-60	140-160	100	60

Optimal combination of fertilizers in irrigation water** (g/cubic meter)

Season	Multi-K	MAP	Calcium nitrate	Mg sulfate
Autumn	240	130	380	375
Winter*	390	165	450	440
Spring	325	90	380	375

*The increase in the required concentration is meant to compensate for the reduced water uptake.
** pH of the irrigation water should be maintained at 5.8-6.2

Salinity sensitivity: Chives and tarragon are moderately sensitive to high EC and to chloride. Appropriate steps must be taken to avoid salinity buildup and the use of KCl as a potassic fertilizer.