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הינך נמצא כאן

Fertilization of cherry trees: when and how?

Follow Haifa's recommendation to supply the cherry tree with the needed nutrients. Plus: find out what is the best season for foliar feeding

Soil type: light to medium, low in calcium, pH 6 - 7.5.
Annual irrigation rate: ~1,300 m3/ha.
Trees density: 300-700 trees/ha.
Expected yield: 20 MT/ha.

 

Fertigation: Recommended rates of nutrients and fertilizers (Kg/hectare)

 


Physiological
stage

Nutrient requirement

Recommended fertilizer

N

P2O5

K2O

MgO

Multi-K

MAP

AN

Magnisal

Budding

30 

25

40

3

87

40

34

19

Fruitset - maturation

45

0

50

5

110

0

82

32

Maturation – end of harvest

10

0

20

5

43

0

3

32

End of harvest- leaf drop

15

30

20

2

43

50

5

12

Total annual

100

55

130

15

283

90

124

95

 

 

Multi-K – Potassium nitrate (13-0-46)
MAP – mono-ammonium phosphate (0-61-0)
Amm. Nit – Ammonium Nitrate (34-0-0)
Magnisal – Magnesium nitrate (10.8-0-0-15.8)

 

 

 

A general guideline for splitting K application in fertigation programs for cherries

 

Growth stage 

Share of K2O at stage (%)

Recommended rate (kg/ha of K2O)

Leaf emergence

15

23

Flowering

20

30

Fruit-set

25

37

Fruit growth

25

37

Fruit maturation

15

23

Total

100

150

 

Foliar feeding

Fall is an excellent season to prepare the tree to next season requirements in N, K and Fe. As long as foliage is green and active it will readily absorb these nutrients applied by foliar sprays.

 

 

Plant analysis guide

Nutrient sufficiency ranges (source: A & L, Agronomy Handbook, Ankerman & Large Eds.)

 

 

Cherry

N

S

P

K

Mg

Ca

Na

B

Zn

Mn

Fe

Cu

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

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

From

2.00

0.15

0.25

2.00

0.50

2.00

0.01

25

20

50

50

10

To

3.00

0.25

0.40

3.00

0.90

3.00

0.10

40

40

70

100

20

 

 

 

 

Plant tissue sampling procedures:

 

Stage of growth

Plant part

Five to eight weeks after full bloom 4 to 8 leaves from spurs or near base of current season’s growth

 

 

 

 

Base dressing Recommendations (kg/hectare)

 

N

P2O5

K2O

CaO

MgO

55

55

88

44

22

 

 

Source: recommendations of Agro-Nutrientes Especiales (ANE). (February,2000)