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Fertilization of chives: Supplying the optimal fertilizers combination

By means of fertigation, the chives receive all the nutrients needed in order to provide the best yield

 

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

*Ammoniacal N should not exceed 10% of total N.

 

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, and E.C. should not exceed 1.5 dS/m.

 

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.