Welcome to DEFRA RB209 fertiliser recommendations for oilseed rape (OSR)

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Enter field name (date: 07 September 2010):

Select organic manure: (if applied)

Select Sowing time

Winter Spring

Select soil type

Select previous management

IF grass was included in the rotation during the last 3 years - select grass system and when it was ploughed up.

Previous crop: 2 Yrs ago: 3 Yrs ago:

Select annual rainfall

Select P, K and Mg Indices

Recommendations

P₂O₅

K₂O

MgO

Seedbed (Kg/ha)

Top dressing (Kg/ha)

Select a calculator

Livestock

Arable

Oilseed rape

Barley

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Source: DEFRA RB209
fertiliser
recommendations