Soil Test Fertilizer Recommendations for Alabama Crops

 

Nutrient Recommendations for

 Perennial Winter Grass Pasture

(Fescue, Orchardgrass)

(Crop Code No. 03)

Phosphorus

Potassium

Very high
High
Medium
Low
Very low

Pounds N-P2O5-K2O per acre

Very high
60-0-0
60-0-0
60-0-50
60-0-80
60-0-100

High
60-0-0
60-0-0
60-0-50
60-0-80
60-50-100

Medium
60-50-0
60-50-0
60-50-50
60-50-80
60-50-100

Low
60-80-0
60-80-0
60-80-50
60-80-80
60-80-100

Very low
60-100-0
60-100-0
60-100-50
60-100-80
60-100-100

 

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 = 100 - 2.00X
1
Y = 100 - 1.26X
3
Y = 100 - 3.28X
2
Y = 100 - 0.84X
4
Y = 100 - 1.40X
3
Y = 100 - 0.63X

4
Y = 100 - 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

Apply N, P, and K as recommended by September 1. Repeat N application in February.

K requirement level

1

N rate

60

Lime code no.

1

PK code no.

3

Mg code no.

1

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