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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 stagePlanting        Pre‐flowering (6‐8 weeks)  Flowering     End of flowering     Tuberisation      
N:K ration2:12:1.51:11:1.51:3

 

  • 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 stageDaysMacronutrientsSecondary NutrientsMicronutrients

 

Ec

N_TotalN_NH4N_NO3P2O5K2OCaOMgOSO4FeMnZnCuMoB
Standard365134.93219.990114.94269.965159.92089.95541.9790.0001.700.6000.2600.0500.0700.3301.01

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