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)
Days after sowing	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 applications	Growth stage	Formulae	Application rate	Spray Vol.*
1-2	8 – 16 leaves, before closing	15-7-30+2MgO+ME	10 kg / ha	50-80 l / ha
1	2 weeks after closing	15-7-30+2MgO+ME	10 kg / ha	50-80 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
	Crops	------------------------ % -------------------------							--------------- 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
Sugar Beets	To	4.50	0.90	0.70	6.00	1.20	1.30	0.05	60	60	100	200	20	200

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