Soil Test Fertilizer Recommendations for Alabama Crops

 

Nutrient Recommendations for

 Sericea Lespedeza

(Crop Code No. 23)

Phosphorus

Potassium

Very high
High
Medium
Low
Very low

Pounds N-P2O5-K2O per acre

Very high
0-0-0
0-0-0
0-0-40
0-0-80
0-0-120

High
0-0-0
0-0-0
0-0-40
0-0-80
0-0-120

Medium
0-40-0
0-40-0
0-40-40
0-40-80
0-40-120

Low
0-80-0
0-80-0
0-80-40
0-80-80
0-80-120

Very low
0-120-0
0-120-0
0-120-40
0-120-80
0-120-120

 

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 = 110 - 2.34X
1
Y = 110 - 0.98X
3
Y = 110 - 3.85X
2
Y = 110 - 0.66X
4
Y = 110 - 1.64X
3
Y = 110 - 0.49X

4
Y = 120 - 0.50X
* - 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

Fertilizer recommended should be sufficient for two years.

K requirement level

2

N rate

0

Lime code no.

1

PK code no.

5

Mg code no.

1

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