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Pioneering the Future

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Fertilization of lettuce: Our recommended fertilizers

Using Haifa's fertilizers and following the fertigation program help increase the lettuce yield

 

Growing medium: soil.
Plant population: 40,000-65,000 plants/Ha.
Expected yield: 30-34 Ton/ha.

 

 

 

Recommended total rates of nutrients (Kg/Ha)

N

P2O5

K2O

130-150

40-50

200-260

 

 

 

Fertigation (Kg/Ha/day)

Growth Stage

Nutrient demand

Recommended fertilizers

N

P2O5

K2O

Multi-K

MAP

AN

Emergence to day 15

0.5

0.4

0.9

2.4

0.65

0.3

From day 16 to day 30

1.0

0.6

1.8

3.9

1.0

1.1

From day 31 to day 45

2.0

0.8

3.6 

7.8

1.3

2.4

From day 46 to day 65

0.5

0.2

1.0

2.2

0.3

0.5

 

 

Macro elements removed by 1 ton marketable product

N

P

K

Ca

Mg

S

---------------------------------------------------Kg / ton-----------------------------------------

1.5-2.5

0.2-0.4

2-4

1.0

0.4

0.6

 

 

 

 

Approximate nitrogen requirement

   

N
lbs/acre/week

N
Kg /ha/week

Crop

Growth stage

low

high

low

high

Lettuce

early growth

5

10

5.6

11.2

 

cupping

10

20

11.2

22.4

 

head filling

15

30

16.8

33.6

 

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