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Pioneering the Future

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Fertilization of broccoli: Supplying all the needed nutrients for better yield

By means of fertigation, the broccoli absorbs the nutrients provided by Haifa's fertilizers

 

Recommendations for fertigation

 

 

Fertilizers

Growth stage

Rate ( kg/Ha/day)

Days after planting

Urea

Multi-K

MAP

2 leaves- 20 days

0

0

0

20-40

1.7

0

2

40-60

3.7

0

2

60-80

4.2

2.7

1.2

80-100

4.0

14.0

0.8

100 onward

2.7

5.3

0

 

 

MAP = MonoAmmonium Phosphate.

 

 

 

Approximate nitrogen requirement

 

   

lbsN/acre/week

kgN /ha/week

Crop

Growth stage

low

high

low

high

Broccoli early growth

5

15

5.6

16.8

  mid-season

10

20

11.2

22.4

  button formation

15

30

16.8

33.6

  head development

10

20

11.2

22.4

 

 

Source: Blaine Hansen, 1996. Fertilizing Row Crops With Drip Irrigation Nov/Dec. Irrigation Journal.

 

 

 

Variety: Woltam.
Soil type: Loamy.
Plant density: 33,000 plants / Ha.
Expected yield: 13 T/Ha.
Growth period (days from seeding/planting to harvest):

 

 

 

Nutrient uptake data

 

Time interval
(days after emergence or planting)

Nutrients requirement (Kg/Ha/Day)

N

P2O5

K2O

1-10

0.02

0.00

0.11

11-20

0.07

0.02

0.02

21-30

1.08

0.27

0.89

31-40

1.22

0.30

1.10

41-50

1.75

0.46

1.63

51-60

1.04

0.30

3.66

61-70

3.02

0.82

5.23

71-80

3.41

1.05

4.76

81-90

2.79

0.87

4.93

91-100

2.09

0.73

3.77

101-110

0.93

0.41

3.30

111-120

0.20

0.21

1.16

121-130

0.18

0.21

0.58

131-140

0.15

0.09

 

141-150

0.06

0.02

 

Total (Kg/Ha)

202.00

59.55

198.76

 

 

Source:
B. Bar-Yosef . Fertilization under drip irrigation.

 

 

 

Base dressing recommendations (kg/hectare)

 

N

P2O5

K2O

CaO

MgO

100

100

160

80

40

 

 

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