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Pioneering The Future
Recommendations for fertilization of Calla lily

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Recommendations for fertilization of Calla lily

Calla Lily

Haifa Group Nutrition Recommendations  for Calla lily:

Typical values of foliar analysis of Calla lily:

 

Nutrient

Deficient

Low

Sufficient

High

Excess

 

--------------------------  %  --------------------------

N

2.3

2.7

4

5

 

P

0.15

0.2

0.5

0.6

 

K

2.5

3.5

4.5

5.5

 

S

0.15

0.2

0.6

0.7

 

Ca

0.5

0.6

1.8

2.5

 

Mg

0.1

0.2

0.45

0.6

 

 

------------------------ppm------------------------

Boron (B)

12

20

50

90

 

Copper (Cu)

4

6

24

50

 

Iron (Fe)

30

50

300

500

 

Manganese (Mn)

35

50

300

500

 

Molybdenum (Mo)

 

 

 

 

 

Sodium (NA)

50

200

1000

3000

 

Zinc (Zn)

15

20

100

200

 

 

 

Calla lily fertilization program should take in consideration two important points:

  • High N-K ration will result in longer stems and weaker plants. The recommended ratio per stage is:

 

Growth stage Planting         Pre‐flowering (6‐8 weeks)   Flowering      End of flowering      Tuberisation      
N:K ration 2:1 2:1.5 1:1 1:1.5 1:3

 

  • High EC and heavy fertilization can result root damage and cause to entry of disease, leading to Erwinia. EC level should be kept under 1.8

 

 

See below a suggestion for standard solution with N:K with ratio 1:1 calculated by NutriNet™ - Haifa’s fertigation expert program:

Growth stage Days Macronutrients Secondary Nutrients Micronutrients

 

Ec
N_Total N_NH4 N_NO3 P2O5 K2O CaO MgO SO4 Fe Mn Zn Cu Mo B
Standard 365 134.932 19.990 114.942 69.965 159.920 89.955 41.979 0.000 1.70 0.600 0.260 0.050 0.070 0.330 1.01

​Remember: The more leaves a plant has the greater the number of flowers to be expected.