Soil Test Fertilizer Recommendations for Alabama Crops

 

Nutrient Recommendations for

Strawberries

(Crop Code No. 89)

Phosphorus

Potassium

Very high
High
Medium
Low
Very low

Pounds N-P2O5-K2O per acre

Very high
120-0-0
120-0-60
120-0-120
120-0-180
120-0-180

High
120-60-0
120-60-60
120-60-120
120-60-180
120-60-180

Medium
120-120-0
120-120-60
120-120-120
120-120-180
120-120-180

Low
120-180-0
120-180-60
120-180-120
120-180-180
120-180-180

Very Low
120-180-0
120-180-60
120-180-120
120-180-180
120-180-180

 

For more accurate fertilizer recommendations, use the equations below for your soil group:

Fertilizer Recommendation Formula
P2O5
K2O
Soil Group*
Equation**
Soil Group*
Equation**
1 & 2
Y = 180 - 1.91X
1
Y = 190 - 1.08X
3
Y = 180 - 3.16X
2
Y = 190 - 0.72X
4
Y = 180 - 1.33X
3
Y = 190 - 0.53X

4
Y = 200 - 0.52X
* - Use Soil Group from soil test report, if available.
** - Y = pounds fertilizer P2O5 or K2O per acre required; X = soil test P or K

 

Comments

Matted Row System (established plantings):
At renovation, just as soon as the plants stop fruiting, apply 40 to 50 pounds N, apply 30 to 45 pounds N late August or early September. A 20-pound N topdressing in February may be useful in sandy soils.
Annual Hill Plasticulture System:
Plants require about 150 pounds N for the entire production season with approximately one-third (about 50 pounds N) being applied dry preplant in the beds. The remaining two-thirds (approximately 100 pounds N) is supplied by injection through the drip irrigation system. About 50 to 100% of the K and all recommended P are applied preplant. K can be injected along with N.

K requirement level

2

N rate

120

Lime code no.

1

PK code no.

18

Mg code no.

2

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