Welcome to potato fertiliser recommendations calculator
Winter and spring potato fertiliser recommendations provided by Farming Online utilising DEFRA's RB209 8th edition, sponsored by Yara. Select your inputs and click Calculate.
Fertiliser Recommendations [Enter your inputs]:
Enter field name:
Manure (if applied):
Select
Application method:
Select
Application Method:
Select
Application Method:
Select
Separation Method:
Select
Slurry DM (%):
Select
Slurry DM (%):
Select
Separated portion:
Select
FYM maturity:
Select
FYM timing:
Select
Select soil type:
Select
Length of growing season:
Select
Variety group:
Select
Grp1
Grp2
Grp3
Grp4
Select previous cropping:
Select
Grass crop in the rotation after 2009:
Select
and select when grass was last grown:
1yr
2yr
3yr
Select rainfall:
Select
Select P index:
Select
0
1
2
3
Select K index:
Select
0
1
2-
2+
3
Select Mg index:
Select
0
1
2
3
Calculate >>
Fertiliser Recommendations Kg/Ha (accounting for any manure deductions):
SNS:
N:
P
2
O
5
:
K
2
O:
MgO:
Nutrients Supplied by organic manure (Kg/Ha):
Total N:
Available N:
P
2
O
5
:
K
2
O:
Notes:
Print:
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potato
Sponsored by:
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DEFRA RB209 8th Ed
fertiliser
recommendations
