ARCHIVE: Fertiliser Manual (RB209)

Peas (dried and vining) and Beans


The amounts of phosphate and potash are appropriate to pea yields of 4 t/ha and bean yields of 3.5 t/ha. Where yields are likely to be greater or smaller, phosphate and potash applications should be adjusted accordingly. Appendix 5 gives typical values of the phosphate and potash content in crop material per tonne of yield.

  SNS, P, K or Mg Index
  0 1 2 3 4 5 6
  kg/ha
Nitrogen (N) 0 0 0 0 0 0 0
Phosphate (P2O5) 100 70 40 0 0 0 0
Potash (K2O) 100 70 40 (2-)
20 (2+)
0 0 0 0
Magnesium (MgO) 100 50 0 0 0 0 0

Phosphate and potash

Seedbed phosphate and potash is only needed at Index 0 and 1.

Sulphur

Peas may suffer from sulphur deficiency on sensitive soil types (see page 43). Where deficiency is possible, apply 25 kg SO3/ha.

Don’t forget to:

make allowance for applied in organic manures (see section 2)

ensure the phosphate and potash offtake is balanced by application on Index 2 soils and check that the soil is maintained at Index 2 by soil sampling every 3 – 5 years

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