תפריט נגישות
  • שינוי גודל טקסט

    • טקסט רגיל
    • טקסט בינוני
    • טקסט מוגדל
  • ניגודיות צבעים

    • שחור-לבן
    • ניגודיות גבוהה
    • ניגודיות רגילה
  • תצוגה

    • סמן גדול לבן
    • סמן גדול שחור
  •  

הינך נמצא כאן

A fertilization program for growing hazelnuts in Spain

By fertigation, the hazelnut tree absorbs the recommended rates of nutrients and fertilizers

 

Soil type: light to medium, very poor in calcium, slightly acidic, pH 5 - 6.5.
This crop is highly sensitive to chloride.
Annual irrigation rate: ~3,500 m3/ha.
Plant Population: 400-600 plants/ha.
Expected yield: 2.5 t/ha (in shells).

 

 

 

Fertigation: Recommended rates of nutrients and fertilizers

 

Month

Crop requirements (kg/ha)

Recommended fertilizers (kg/ha)

N

P2O5

K2O

MgO

Multi-K

MAP

AN

Magnisal

March

4

8

0

2

0

13

3

13

April

10

0

8

5

17

0

13

31

May

20

8

16

6

35

13

30

38

June

29

0

28

6

61

0

50

38

July

17

8

20

4

43

13

21

25

August

10

0

0

2

0

0

26

13

September

10

8

10

0

22

13

17

0

October

10

8

8

0

17

13

18

0

Total annual

110

40

90

25

195

65

178

158

 

 

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).


It is important to watch for boron and iron deficiencies. Where needed a single application of 0.1% boric acid or borax at 125 g/tree reduces the prportion of empty nuts.
Iron deficiency may be cured by applying Fe-EDDHA at 100 g/tree, in March.