ARCHIVE: Fertiliser Manual (RB209)

Hay – Phosphate, Potash and Magnesium


Different potash recommendations are given for the lower half (2-) and upper half (2+) of K Index 2.

 

P or K Index

  0 1 2 3 Over 3
  kg/ha
Phosphate (P2O5) 80 55 30M 0 0
Potash (K2O) 140 115 90M (2-)
65 (2+)
20 0

 

For magnesium recommendations, see page 183.

Newly sown swards

In the first season after autumn or spring sowing, deduct the amounts of phosphate and potash applied to the seedbed.

Don’t forget to deduct nutrients applied as organic manures – see Section 2.

ADLib logo Content provided by the Agricultural Document Library
© University of Hertfordshire, 2011