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הינך נמצא כאן

Fertilization of sugar beet: base dressing, fertigation and foliar feeding

 

Haifa's fertilization recommendations for sugar beet in various fertilization methods

 
Growing method: open field.
Soil type: Sandy loam.
Plant density: 140,000 – 180,000   plants / Ha.
Expected yield: 40-50 Ton / Ha.
 
 

Main nutrients uptake (Kg/Ha)

N

P2O5

K2O

CaO

MgO

B

180-220

80-100

250-350

80-120

40-50

1.0-1.3

 
Nutrition Recommendation

I. Base dressing: Should be applied about 1 month prior to sowing and worked into soil by shallow disking.

 

N

P2O5

K2O

DAP (18-46-0)

SOP

Kg/Ha

Kg/Ha

40

100

150

220

300

 
 
 
II. Fertigation: Should be applied throughout the growth period
 
 
Days after sowing

Recommended fertilizers (Kg/Ha/Day)

N

AN

P2O5

MAP

K2O

Multi-K

1-30

0.12

0

0.6

1

0

0

31-60

3

8

0

0

1

2.2

61-90

3

7.2

0

0

2

4.4

91-120

0

0

0

0

2

4.4

 
AN = Ammonium nitrate (33.5-0-0)      
MAP = Mono-Ammonium phosphate  (12-61-0)
Multi-K = Potassium nitrate (13-0-46)
 
III. Foliar feeding with Multi-K*
 
 
Growth stage

Concentration (%)

Spray volume (lit./Ha)

8th  leaf

3-4

1000-800

16th leaf

4-6

800-500

 
*In case micronutrient deficiencies are visible it is recommended to apply Multi-K-micro (enriched with Mn, B, Fe, Zn, Mg, Mo).
 
III. Foliar feeding with Poly-Feeds
 
No. of applicationsGrowth stageFormulaeApplication rateSpray Vol.*

1-2

8 – 16 leaves, before closing15-7-30+2MgO+ME10 kg / ha50-80 l / ha

1

2 weeks after closing15-7-30+2MgO+ME10 kg / ha50-80 l / ha
 
*Spray volume can vary, but it is important to keep the dosage recommended.
 
Plant analysis guide
Nutrient sufficiency ranges
 
(source: A & L, Agronomy Handbook, Ankerman & Large Eds.)
 
 
 Crops

N

S

P

K

Mg

Ca

Na

B

Zn

Mn

Fe

Cu

Al

Mo

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

--------------- p.p.m ---------------

Sugar Beets

From

3.00

0.30

0.30

3.50

0.50

0.60

0.01

30

30

40

80

10

50

 
To

4.50

0.90

0.70

6.00

1.20

1.30

0.05

60

60

100

200

20

200

 
 
 

Sugar Beets – Mineral analysis values

 
 

Leaves and petioles

Nutrient

Average value

Critical level

 

(%)

N

3.50

2.10

S

0.36

0.12

P

0.34

0.21

K

3.00

1.30

Mg

0.38

0.18

Ca

1.20

0.40

Na

0.08

 

 

(ppm)

Fe

180

95

Al

100

 

Mn

105

30

B

35

18

Cu

14

5

Zn

35

14

Mo

1.1

 0.5